Grinding device

Abstract

The embodiment of the utility model discloses a grinding device which comprises a support used for being connected with a vehicle rod head, a grinding wheel and a grinding wheel. The connecting plate is connected with the support seat; the motor is connected to the connecting plate; the connecting seat is connected to the support seat; one end of the transmission shaft is arranged in the connecting seat, the other end of the transmission shaft penetrates through a grinding wheel, and the outer side of the transmission shaft is connected with a belt pulley; and the belt is jointly arranged on the outer side of the belt pulley and the outer side of a power shaft of the motor in a sleeving manner. And the grinding efficiency and precision of the inner wall of the shell are improved, and the universality is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of machining, especially relates to a grinding device. BACKGROUND

[0002] The length of a certain model of large-diameter shell is 3 meters, the wall thickness is 20 millimeters, the inner wall tolerance is 0-0.2mm, the roughness requirement is 1.6Ra, and the machining method for processing the inner wall is: using a lengthened tool bar (effective length greater than 1.6 meters) to turn from both ends of the shell to the middle. After turning, the inner wall of the shell is not smooth, the inner diameter tolerance is 0.2 and the roughness is 1.6Ra, which does not meet the requirements. The reason for the unsmoothness of the inner wall of the shell is that the tool bar is long, and cutting vibration occurs during processing, resulting in chatter marks on the processed surface. Thus, the roughness of the inner wall of the shell cannot meet the process requirements.

[0003] At present, there is no effective solution to the problem that the roughness of the inner wall of the shell in the prior art cannot meet the process requirements. CONTENT OF THE UTILITY MODEL

[0004] To solve the above problems, the utility model provides a grinding device, which can be clamped by a tool bar head, and the inner wall of the shell is polished by the grinding wheel of the grinding device after turning, thereby solving the problem that the roughness of the inner wall of the shell in the prior art cannot meet the process requirements.

[0005] To achieve the above purpose, the utility model provides a grinding device, which comprises: a support for connecting the tool bar head; a connecting plate connected with the support; a motor connected to the connecting plate; a connecting seat connected to the support; a transmission shaft, one end of which is arranged in the connecting seat, and the other end penetrates the grinding wheel, and a belt pulley is connected to the outside of the transmission shaft; and a belt which is collectively sleeved on the outside of the belt pulley and the power shaft of the motor.

[0006] Further, the connecting plate is provided with a U-shaped groove; a screw penetrates the U-shaped groove and is connected with the motor, and is used for adjusting the height of the motor.

[0007] Further, both end faces of the grinding wheel are provided with anti-skid rings; and the transmission shaft penetrates one of the anti-skid rings, the grinding wheel and the other anti-skid ring in sequence.

[0008] Further, the connecting seat is in a cylindrical shape and is a sealed structure.

[0009] Further, the support is connected to the tool bar head through a mounting seat.

[0010] Further, the mounting base comprises a handle connecting end connected with the handle head and a support connecting end connected with the support; the handle connecting end is provided with a mounting boss; the support connecting end is provided with two clamping pieces oppositely arranged, and the support is fixedly connected with the clamping pieces.

[0011] Further, the clamping pieces are connected with the support through screws.

[0012] The above technical scheme has the following beneficial effects: the mounting base can be quickly mounted on the handle head and quickly detached from the handle head, and is convenient to use; the grinding function can be completed after the shell is turned, and the performance of the machining equipment is expanded; the same tool bar is used to realize turning and grinding, and the machining precision and efficiency are improved; the problem of machining dither marks on the inner wall of the shell is effectively overcome due to insufficient rigidity of the long tool bar. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description only represent some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor based on these drawings.

[0014] Figure 1 is a cross-sectional structure schematic diagram of the grinding device provided by the embodiment of the present application;

[0015] Figure 2 is a side structure schematic diagram of the grinding device provided by the embodiment of the present application;

[0016] Figure 3 is a use state schematic diagram of the grinding device provided by the embodiment of the present application.

[0017] The drawings are as follows: 1-support; 2-connecting plate; 3-motor; 4-belt; 5-grinding wheel; 6-transmission shaft; 7-connecting seat; 8-anti-skid wheel; 9-mounting base; 10-clamping piece; I-shell; II-grinding device; III-handle. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments only represent some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0019] To solve the problem of the existing technology that the inner wall of the shell is not processed in place, the utility model discloses a grinding device, Figure 1 It is the cross section structure schematic diagram of the grinding device provided by the utility model, as Figure 1 Shown, the device includes: support 1 for connecting the head of the lathe rod, connecting plate 2 connected with the support 1, motor 3 connected on the connecting plate 2, connecting seat 7 connected on the support 1, transmission shaft 6, one end of the transmission shaft 6 is in the connecting seat 7, the other end passes through the grinding wheel 5, the transmission shaft 6 outside is connected with the belt pulley, belt 4, the belt 4 is commonly set on the outside of the belt pulley and the outside of the power shaft of motor 3.

[0020] As Figure 1 Shown, the grinding device is installed at the end of the head of the lathe rod, and the inner wall of the shell after turning is ground to meet the roughness requirement of the inner wall. The support 1 can be connected with the end of the head of the lathe rod, and when the turning is finished, the turning tool is removed, and the support 1 is installed to the end of the head of the lathe rod.

[0021] The connecting plate 2 can be fixedly connected with the support 1 or integrally formed with the support 1, and the motor 3 is arranged on the connecting plate 2, and the power shaft of the motor 3 protrudes from the end surface of the support 1. The motor 3 serves as a power component to provide power for the whole grinding device, and is electrically connected with the controller to control the motor 3 through the controller.

[0022] The connecting seat 7 is arranged on the support 1 and is a distance away from the motor 3. The transmission shaft 6 is partially arranged in the connecting seat 7 and protrudes from the connecting seat 7 and passes through the grinding wheel 5. The belt pulley is further arranged between the grinding wheel 5 and the connecting seat 7, and the belt 4 is commonly arranged on the outside of the belt pulley and the outside of the power shaft of the motor 3, so that when the motor 3 is started, the power shaft drives the belt 4 to rotate the grinding wheel 5 to complete the polishing of the inner wall of the shell.

[0023] As an optional embodiment, the connecting plate 2 is provided with a U-shaped groove, and a screw passes through the U-shaped groove and is connected with the motor 3 to adjust the height of the motor 3.

[0024] The connecting plate 2 is provided with a U-shaped groove, and a screw passes through the U-shaped groove and is connected with the motor 3 to adjust the height of the motor 3.

[0025] As an optional embodiment, the two end surfaces of the grinding wheel 5 are provided with anti-skid rings, and the transmission shaft 6 sequentially passes through one of the anti-skid rings, the grinding wheel 5 and the other anti-skid ring.

[0026] As Figure 2As shown in the figure, the end face of the grinding wheel 5 is provided with an anti-skid ring, one on each end face, two anti-skid rings are coaxial with the grinding wheel 5, the transmission shaft 6 passes through the center of one of the anti-skid wheels 8, the center of the grinding wheel 5 and the center of the other anti-skid wheel 8, and fixes the three together, ensuring the position of the grinding wheel 5 on the transmission shaft 6.

[0027] As an optional embodiment, the connecting seat 7 is cylindrical and is of a sealed structure.

[0028] As shown in the figure, the connecting seat 7 is cylindrical and the transmission shaft 6 is located at the center of the connecting seat 7. The connecting seat 7 is of a sealed structure, ensuring the performance of the transmission shaft 6. Figure 1

[0029] As an optional embodiment, the support 1 is connected to the tool holder through the mounting seat 9.

[0030] As shown in the figure, the support 1 is connected to the tool holder through the mounting seat 9, and the mounting seat 9 is of a special structure, one end of which is fixed to the tool holder and the other end of which is connected to the support 1, so that the support 1 of the grinding device and the tool can be freely replaced through one tool holder. Figure 1

[0031] As an optional embodiment, the mounting seat 9 comprises a tool holder connecting end connected to the tool holder and a support 1 connecting end connected to the support 1; the tool holder connecting end is provided with a mounting boss; the support 1 connecting end is provided with two clamping pieces 10 oppositely arranged, and the support 1 is fixedly connected to the clamping pieces 10.

[0032] In order to improve the installation efficiency, one end of the mounting seat 9 in the embodiment is provided with a mounting boss which can be threadedly connected to the tool holder to fix the mounting seat 9 to the tool holder. The other end of the mounting seat 9 is provided with two clamping pieces 10 oppositely arranged, and the two clamping pieces 10 clamp and fix the support 1.

[0033] As an optional embodiment, the clamping pieces 10 are connected to the support 1 through screws.

[0034] In order to further improve the clamping firmness, the mounting seat 9 is clamped by the clamping pieces 10 and then fastened by screws.

[0035] The use method of the above device is described as follows: Figure 3

[0036] 1. The inner wall of the shell part I after turning is left with a 0.2-0.4mm excess (slightly larger than the height of the chatter mark);

[0037] 2. The long tool holder is withdrawn from the inner diameter of the shell part;

[0038] 3. The tool mounted in the tool holder head is removed; ​​​

[0039] 4, the grinding device II is installed to the head of the tool bar III;

[0040] 5, the long turning tool bar is stretched into the inner diameter of the shell, and the grinding switch of the grinding device is started;

[0041] 6, after the shell parts are normally rotated on the lathe, the long turning tool bar is actuated through numerical control instructions, and the grinding device is cooperated to complete the grinding of the inner wall of the shell by the grinding wheel.

[0042] The technical scheme has the beneficial effects that it can be quickly installed on the head of the turning tool bar and quickly detached from the head of the turning tool bar, is convenient to use, can complete the grinding function after the shell is turned, expands the performance of the machining equipment, realizes the turning and grinding processes by using the same turning tool bar, improves the machining precision and efficiency, and effectively overcomes the problem of insufficient rigidity of the long turning tool bar, so that the machining dace of the shell inner wall has the problem of dace flutter.

[0043] The specific embodiment of the utility model is further described in detail, which further describes the purpose, technical scheme and beneficial effects of the utility model, and it should be understood that the above content is only the specific embodiment of the utility model, and is not used to limit the protection scope of the utility model, and any modification, equivalent replacement, improvement and the like within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A grinding device, characterized by, The grinding device comprises: a support for connecting with a handle head; a connecting plate connected with the support; a motor connected with the connecting plate; a connecting seat connected with the support; a transmission shaft, one end of which is arranged in the connecting seat and the other end of which passes through a grinding wheel, the outer side of the transmission shaft being connected with a belt pulley; a belt, which is arranged on the outer side of the belt pulley and the outer side of the power shaft of the motor.

2. The grinding device according to claim 1, wherein: a U-shaped groove is arranged on the connecting plate; a screw passes through the U-shaped groove and is connected with the motor, for adjusting the height of the motor.

3. The grinding device according to claim 1, wherein: anti-skid rings are arranged on both end faces of the grinding wheel; the transmission shaft passes through one of the anti-skid rings, the grinding wheel and the other anti-skid ring in sequence.

4. The grinding device according to claim 1, wherein: the connecting seat is in a cylindrical shape and is in a sealed structure.

5. The grinding device according to claim 1, wherein: the support is connected with the handle head through a mounting seat.

6. The grinding device according to claim 5, wherein: the mounting seat comprises a handle connecting end connected with the handle head and a support connecting end connected with the support; the handle connecting end is provided with a mounting boss; the support connecting end is provided with two oppositely arranged clamping pieces, and the support is fixedly connected with the clamping pieces.

7. The grinding device according to claim 6, wherein: the clamping pieces are connected with the support through screws.

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