Pipe orifice grinding device for reducing pipe

Abstract

The invention discloses a pipe orifice grinding device for reducing pipes, and relates to the technical field of pipe fitting machining. The propelling mechanism is arranged on the base; the driving positioning device is mounted on a sliding block of the propelling mechanism; the grinding mechanism is arranged on the base through the machining box, and the grinding mechanism and the driving positioning device are distributed at intervals; the dust removal assembly is arranged on the machining box, and a spraying nozzle of the dust removal assembly is close to the grinding mechanism so as to clean dust generated by grinding; the propelling mechanism can drive the driving and positioning device to move horizontally, the driving and positioning device can clamp and rotate the reducing pipe, so that the grinding mechanism grinds the reducing pipe conveniently, the angle of the grinding mechanism can be adjusted, the angle of the grinding mechanism can be adjusted, and the grinding angle of a pipe opening of the reducing pipe can be adjusted.

Description

Technical Field

[0001] The present application relates to the technical field of pipe processing, and in particular to a pipe mouth grinding device for a reducer pipe. Background Art

[0002] A reducer is a type of pipe connector, which is mainly used to connect two pipes with different diameters. After the reducer is formed, the inner and outer sides of the pipe mouth need to be ground to form inner and outer chamfers. The grinding angle of the existing grinding device is fixed and cannot be adjusted according to actual conditions, which affects the grinding efficiency of the reducer.

[0003] Therefore, it is necessary to improve the existing grinding device. Summary of the invention

[0004] In view of this, the present application provides a pipe mouth grinding device for a reducer to solve the technical problem that the grinding angle of the existing grinding device is fixed and cannot be adjusted according to actual conditions, thereby affecting the grinding efficiency of the reducer.

[0005] To achieve the above object, the present invention provides the following technical solutions: A pipe mouth grinding device for a reducing pipe, comprising: A propulsion mechanism disposed on the base; A driving positioning device mounted on a slider of the propulsion mechanism; A grinding mechanism is arranged on the base through a processing box, and the grinding mechanism is spaced apart from the driving and positioning device; A dust removal component, wherein the dust removal component is arranged on the processing box, and a spray nozzle of the dust removal component is close to the grinding mechanism to clean the dust generated by grinding; The propulsion mechanism can drive the driving and positioning device to move horizontally, and the driving and positioning device can clamp and rotate the reducer so that the grinding mechanism can grind the reducer, and the angle of the grinding mechanism can be adjusted.

[0006] Furthermore, the propulsion mechanism further comprises: A hydraulic cylinder is arranged on the base, and the sliding block is connected to the hydraulic cylinder; A guide rail is arranged on the base, and the slider is slidably connected to the guide rail.

[0007] Furthermore, the driving and positioning device comprises: A vertical plate connected to the slider; A driving mechanism connected to the vertical plate; A positioning mechanism connected to the driving mechanism is used to position and clamp the reducer.

[0008] Furthermore, the driving mechanism comprises: A first motor mounted on the vertical plate; A connecting plate connected to the first motor, wherein the connecting plate is slidably matched with the vertical plate.

[0009] Furthermore, the positioning mechanism comprises: A clamping jaw cylinder mounted on the connecting plate; A pair of clamping jaws disposed oppositely on the clamping jaw cylinder; A pair of positioning clamps are fixedly connected to the corresponding clamping jaws.

[0010] Furthermore, a pad is arranged inside the positioning clamp.

[0011] Furthermore, the grinding mechanism comprises: a height control assembly disposed within the processing box; A connecting seat connected to the upper end of the height control assembly; A locking assembly mounted on the connecting seat; A grinding assembly is connected to the connecting seat and locked by the locking assembly.

[0012] Furthermore, the grinding assembly is pivotally connected in the connecting seat, and a plurality of slots are provided on the grinding assembly. By rotating the grinding assembly, the locking assembly can be locked in the slots at different positions.

[0013] Furthermore, the grinding assembly comprises: A connecting rod pivotally connected to the connecting seat, wherein the connecting rod is provided with a plurality of annularly distributed slots; a second electric motor mounted on the connecting rod; A grinding wheel is mounted on the second motor.

[0014] Furthermore, the locking assembly comprises: A T-shaped movable block slidably disposed in the connecting seat, wherein the T-shaped movable block can be inserted into the corresponding card slot; A pull rod fixedly connected to the T-shaped movable block; A compression spring is sleeved on the pull rod, and the compression spring is abutted between the connecting seat and the T-shaped movable block.

[0015] It can be seen from the above technical solution that the advantages of the present invention are: 1. The grinding mechanism in the present application can adjust the placement angle of the grinding wheel, so that the angle of the pipe mouth can be set according to the actual situation. This adjustment method is easy to operate and has high work efficiency.

[0016] 2. The present application can grind both the inner and outer sides of the pipe opening of the reducer, so that both the inner chamfer and the outer chamfer can be easily formed, and the reducer has the characteristics of being easy and reliable to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings constituting a part of the present application are used to provide a further understanding of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application.

[0018] Figure 1 This is a schematic diagram of the structure of this application.

[0019] Figure 2 This is a structural cross-sectional view of the present application.

[0020] Figure 3 for Figure 2 A partial enlarged view of point A.

[0021] Figure 4 for Figure 2 A partial enlarged view of point B.

[0022] Figure 5 This is a top view of the positioning mechanism of the present application.

[0023] Figure 6 It is a schematic diagram of the partial structure of the positioning mechanism of the present application.

[0024] Figure 7 This is a schematic diagram of the structure of the grinding mechanism of this application.

[0025] Figure 8 It is a right side cross-sectional view of the grinding mechanism of the present application.

[0026] Fig. 9 for Figure 7 Schematic diagram of the connecting rod structure.

[0027] Fig.10 This is a schematic diagram of the structure for polishing the end face for this application.

[0028] Fig.11 Schematic diagram of the structure for grinding the inner chamfer for this application.

[0029] Fig.12 Schematic diagram of the structure for grinding the outer chamfer for this application.

[0030] Description of the reference numerals: 100-reducing pipe; 1-base; 101-drain outlet; 2-propelling mechanism; 201-hydraulic cylinder; 202-guide rail; 203-fixed plate; 204-slider; 3-vertical plate; 301-round hole; 302-annular slide groove; 4-first motor; 401-first bracket; 402-connecting plate; 403-T-type slide bar; 5-positioning mechanism; 501-claw cylinder; 5011-claw; 502-positioning clamping plate; 503-screw; 504-shim plate; 6-collection box; 7-processing box; 71-door; 701-through hole; 702-second bracket; 703-slide rail; 801- Water tank; 802-water pump; 803-diverter pipe; 804-spray nozzle; 805-water outlet pipe; 9-grinding mechanism; 901-height control component; 9011-stepping motor; 9012-gear; 9013-rack; 9014-slider; 902-connecting seat; 9021-first mounting groove; 9022-second mounting groove; 903-connecting rod; 9031-rotating shaft; 9032-slot; 904-second motor; 905-mounting shell; 907-grinding wheel; 908-locking assembly; 9081-handle; 9082-pull rod; 9083-compression spring; 9084-T-type movable block. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solution and advantages of the present application more clearly understood, the present application is further described in detail below in conjunction with the implementation modes and the accompanying drawings. Here, the illustrative implementation modes and descriptions of the present application are used to explain the present application, but are not intended to limit the present application.

[0032] refer to Figures 1 to 12 ,like Figure 1 As shown, this embodiment provides a pipe mouth grinding device for a reducer, comprising: a base 1, a propulsion mechanism 2, a drive positioning device, a grinding mechanism 9 and a dust removal assembly 8. The base 1 is the foundation of the entire device, and can provide a stable support platform to ensure the stability and accuracy of other components during operation. The propulsion mechanism 2 is arranged on the upper left end of the base 1, and the drive positioning device is installed on the slider 204 of the propulsion mechanism 2. The drive positioning device can slide along the horizontal direction on the base 1 with the slider 204, so that the drive positioning device can be moved to the processing position and the loading and unloading position as needed. When in the processing position, different parts of the reducer 100 can be ground. The drive positioning device is installed on the slider 204 of the propulsion mechanism 2, and is used to clamp and rotate the reducer 100.

[0033] The grinding mechanism 9 is mainly located at the right end of the base 1. Specifically, the grinding mechanism 9 is installed in the processing box 7. The processing box 7 is installed on the right end of the base 1. The grinding mechanism 9 and the driving positioning device are distributed on the base 1 at intervals. The grinding mechanism 9 is fixed and supported by the processing box 7. In the grinding mechanism 9, the angle of the grinding wheel 907 is adjustable, so that the pipe orifices with different angles can be processed as needed. The adjustable angle of the grinding wheel 907 increases the flexibility and applicability of the device.

[0034] The dust removal component 8 is installed on the upper part of the processing box 7. The spray nozzle 804 of the dust removal component 8 is close to the processing station when the grinding mechanism 9 is grinding. It can clean the dust generated when the grinding wheel 907 grinds the pipe mouth of the reducer 100. The dust removal component 8 not only helps to keep the working environment clean, but also effectively protects the health and safety of the operator.

[0035] The propulsion mechanism 2 can drive the positioning device to move horizontally, and the positioning device can clamp and rotate the reducer 100 so that the grinding mechanism 9 can grind the reducer 100. The angle of the grinding mechanism 9 can be adjusted to process pipe openings with different angles.

[0036] In the present application embodiment, Figure 1 As shown, a drain port 101 is provided on the base 1, and a collecting box 6 is placed below the drain port 101. Since powder is generated when the reducer 100 is ground, water needs to be sprayed to wash away the powder attached to the reducer 100 to prevent the powder from affecting the smoothness of the grinding. The mixture of powder and water will flow into the collecting box 6 through the drain port 101 for collection. In order to cooperate with the collection work of the collecting box 6, an opening aligned with the drain port 101 is provided at the bottom of the processing box 7. In addition, an inclined surface is provided at the inner bottom of the processing box 7 to accelerate the downward discharge of the mixed liquid and make it more clean.

[0037] Specifically, the dust removal component 8 includes a water tank 801, a water pump 802, a diverter pipe 803 and a spray nozzle 804. The water tank 801 is arranged on the top of the processing box 7, and the water pump 802 is installed on the water outlet pipe 805. The lower end of the water outlet pipe 805 is vertically connected to the diverter pipe 803. A plurality of spray nozzles 804 are arranged at intervals at the bottom of the diverter pipe 803. Water is sprayed toward the grinding part of the reducer 100 through the spray nozzle 804, so that the dust generated during grinding can be washed away.

[0038] like Figure 1 and Figure 2As shown, the propulsion mechanism 2 further includes: a hydraulic cylinder 201 and a guide rail 202, the hydraulic cylinder 201 is fixedly mounted on the base 1; the guide rail 202 is fixedly arranged on the base 1 through a pair of fixing plates 203, the guide rail 202 is located on the right side of the hydraulic cylinder 201, and a slider 204 is slidably connected to the guide rail 202, and the slider 204 is connected to the extension rod of the hydraulic cylinder 201. The slider 204 can slide on the guide rail 202 through the driving of the hydraulic cylinder 201, thereby driving the positioning device to move.

[0039] like Figure 1 , Figure 2 and Figure 3 As shown, the driving and positioning device includes: a vertical plate 3, a driving mechanism and a positioning mechanism 5, the vertical plate 3 is connected to the slider 204; the driving mechanism is connected to the vertical plate 3; the positioning mechanism 5 is connected to the driving mechanism, and the positioning mechanism 5 can position and clamp the reducer 100.

[0040] like Figure 3 As shown, the driving mechanism includes: a first motor 4 and a connecting plate 402, the first motor 4 is fixedly mounted on the vertical plate 3 through a first bracket 401; the connecting plate 402 is connected to the first motor 4, and the connecting plate 402 is slidably matched with the vertical plate 3, so that when the first motor 4 drives the connecting plate 402 to rotate, the connecting plate 402 can rotate smoothly on the vertical plate 3.

[0041] Preferably, at least two T-shaped sliding bars 403 are provided on the left side of the connecting plate 402 , and the T-shaped sliding bars 403 can slide on the vertical plate 3 .

[0042] like Figure 4 and Figure 5 As shown, the positioning mechanism 5 includes: a jaw cylinder 501, a pair of jaws 5011 and a pair of positioning clamps 502, the jaw cylinder 501 is installed at the right end of the connecting plate 402; the pair of jaws 5011 are relatively arranged on the jaw cylinder 501; the positioning clamp 502 is installed on the corresponding jaws 5011 by a plurality of screws 503, so it is convenient to replace the positioning clamp 502; the jaw cylinder 501 is a double-acting cylinder, which can drive a pair of jaws 5011 to approach each other, so that a pair of positioning clamps 502 can clamp the reducer 100, and when resetting, it can drive a pair of jaws 5011 away from each other to achieve resetting.

[0043] like Figure 6 As shown, a pad 504 is disposed inside the positioning clamp 502 , and the pad 504 can protect the reducer 100 , thereby preventing the positioning clamp 502 from clamping the reducer 100 .

[0044] In the embodiment of the present application, the vertical plate 3 is provided with a circular hole 301 penetrating the left and right end surfaces so that the output end of the first motor 4 can pass through, and an annular groove 302 is also provided so that the T-shaped slide bar 403 can slide in the annular groove 302.

[0045] like Figure 7 As shown, the grinding mechanism 9 includes: a height control component 901, a connecting seat 902, a locking component 908 and a grinding component. The height control component 901 is arranged in the processing box 7 through the second bracket 702; the connecting seat 902 is connected to the upper end of the height control component 901; the locking component 908 is installed on the connecting seat 902, and can lock the grinding component on the connecting seat 902.

[0046] In the embodiment of the present application, the height control assembly 901 includes: a stepper motor 9011, a gear 9012, a rack 9013 and a slide rail 703, the stepper motor 9011 is mounted on the second bracket 702; the gear 9012 is connected to the output end of the stepper motor 9011; the rack 9013 is meshed with the gear 9012, and the connecting seat 902 is connected to the upper end of the rack 9013; the slide rail 703 is fixed in the processing box 7, and a plurality of sliders 9014 are arranged on the rack 9013, and the plurality of sliders 9014 are slidably matched with the slide rail 703. By starting the stepper motor 9011, the rack 9013 can be moved up and down, thereby adjusting the height of the locking assembly 908 and the grinding assembly.

[0047] Preferably, the grinding assembly is pivotally connected in the connecting seat 902 , and a plurality of slots 9032 are provided on the grinding assembly. By rotating the grinding assembly, the locking assembly 908 can be locked in the slots 9032 at different positions, thereby adjusting the grinding angle of the reducer 100 .

[0048] like Figure 7 and Fig. 9 As shown, the grinding assembly includes: a connecting rod 903, a second motor 904 and a grinding wheel 907. The lower end of the connecting rod 903 is connected to a rotating shaft 9031, and the rotating shaft 9031 is rotatably connected to a first mounting groove 9021 in a connecting seat 902 through a bearing. A plurality of annularly distributed slots 9032 are provided on the connecting rod 903; the second motor 904 is installed on the top of the connecting rod 903 through a mounting shell 905; the grinding wheel 907 is installed at the output end of the second motor 904, and the grinding wheel 907 can grind the pipe mouth of the reducer 100.

[0049] like Figure 8As shown, the locking assembly 908 includes: a T-shaped movable block 9084, a pull rod 9082 and a compression spring 9083, the T-shaped movable block 9084 is slidably set on the second mounting groove 9022 in the connecting seat 902; the pull rod 9082 is fixedly connected to the T-shaped movable block 9084; the compression spring 9083 is sleeved on the pull rod 9082, and the compression spring 9083 is supported between the second mounting groove 9022 and the T-shaped movable block 9084 to facilitate the resetting of the T-shaped movable block 9084.

[0050] Preferably, one end of the pull rod 9082 located outside the connecting seat 902 is connected to a handle 9081 for easy holding when pulling the T-shaped movable block 9084 .

[0051] Preferably, a through hole 701 is provided on one side of the processing box 7 close to the positioning mechanism 5 , so that the reducer 100 can pass through the through hole 701 and enter the processing box 7 .

[0052] When adjusting the setting angle of the grinding assembly, first hold the handle 9081 to pull the T-shaped movable block 9084 out of the slot 9032. At this time, the connecting rod 903 can swing left and right on the connecting seat 902. Then rotate the connecting rod 903 so that the slots 9032 at other positions correspond to the T-shaped movable block 9084. Then release the handle 9081 to insert the T-shaped movable block 9084 into the corresponding slot 9032 to achieve the adjustment of the grinding angle. In addition, in order to facilitate the operation of the grinding mechanism 9, a door 71 is provided on the processing box 7. By opening the door 71, the internal parts can be maintained and operated.

[0053] In the embodiment of the present application, the grinding wheel 907 is composed of a cylindrical portion and a conical portion. When the grinding wheel 907 is in a vertical state (such as Fig.10 As shown in FIG. 1 ), the cylindrical portion can grind the right end surface of the reducer 100. When the grinding wheel 907 is tilted to the left and at a higher position (as shown in FIG. 1 ), the cylindrical portion can grind the right end surface of the reducer 100. Fig.11 As shown in the figure), the conical part can grind the outer chamfer of the pipe mouth; when the position is low (such as Fig.12 As shown in Figure 3), the conical portion can be used to grind the inner chamfer of the pipe mouth.

[0054] Working principle: clamp the reducer 100 on the positioning mechanism 5, pre-control the height control component 901 according to the diameter of the reducer 100 to adjust the height of the grinding component, and then rotate the position of the grinding component according to the position to be ground to adjust the angle of the grinding component. Specifically, the height control component 901 drives the grinding component to move upward as a whole, so that the grinding wheel 907 is close to the height of the reducer 100, and then the hydraulic cylinder 201 is started to drive the slider 204 to move right, so that the vertical plate 3 drives the first motor 4 and the positioning mechanism 5 to move right, so that the reducer 100 passes through the through hole 701 and enters the processing box 7. When the pipe mouth of the reducer 100 contacts the grinding wheel 907, the hydraulic cylinder 201 can be stopped, and then the first motor 4 drives the positioning mechanism 5 to rotate, and the second motor 904 drives the grinding wheel 907 to rotate, so that the grinding of the pipe mouth by the grinding wheel 907 can be realized. The height of the grinding wheel 907 is controlled by the height control component 901 to grind different positions.

[0055] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the embodiments of the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A pipe end grinding device for a reducing pipe, characterized in that: include: A propulsion mechanism (2) disposed on the base (1); a driving positioning device mounted on a slider (204) of the propulsion mechanism (2); A grinding mechanism (9) is arranged on the base (1) via a processing box (7), wherein the grinding mechanism (9) and the driving positioning device are spaced apart from each other; A dust removal component (8), the dust removal component (8) being arranged on the processing box (7), the spray nozzle (804) of the dust removal component (8) being close to the grinding mechanism (9) so as to clean the dust generated by grinding; The propulsion mechanism (2) can drive the drive positioning device to move horizontally, and the drive positioning device can clamp and rotate the reducer (100) so that the grinding mechanism (9) can grind the reducer (100), and the angle of the grinding mechanism (9) can be adjusted.

2. The pipe mouth grinding device for a reducer according to claim 1, characterized in that: The propulsion mechanism (2) further comprises: A hydraulic cylinder (201) is arranged on the base (1), and the sliding block (204) is connected to the hydraulic cylinder (201); A guide rail (202) is arranged on the base (1), and the sliding block (204) is slidably connected to the guide rail (202).

3. The pipe mouth grinding device for a reducer according to claim 1, characterized in that: The driving and positioning device comprises: A vertical plate (3) connected to the sliding block (204); A driving mechanism connected to the vertical plate (3); A positioning mechanism (5) connected to the driving mechanism, wherein the positioning mechanism (5) positions and clamps the reducer (100).

4. The pipe mouth grinding device for a reducer according to claim 3, characterized in that: The driving mechanism comprises: A first motor (4) mounted on the vertical plate (3); A connecting plate (402) connected to the first motor (4), the connecting plate (402) being slidably matched with the vertical plate (3).

5. The pipe end grinding device for a reducer according to claim 4, characterized in that: The positioning mechanism (5) comprises: A clamping claw cylinder (501) mounted on the connecting plate (402); A pair of clamping jaws (5011) arranged opposite to each other on the clamping jaw cylinder (501); A pair of positioning clamps (502) each fixedly connected to the corresponding clamping jaws (5011).

6. The pipe end grinding device for a reducer according to claim 5, characterized in that: A pad (504) is provided inside the positioning clamp (502).

7. The pipe opening grinding device for a reducing pipe according to claim 1, characterized in that: The grinding mechanism (9) comprises: A height control component (901) disposed in the processing box (7); A connecting seat (902) connected to the upper end of the height control component (901); A locking assembly (908) mounted on the connecting seat (902); A grinding assembly connected to the connecting seat (902) and locked by the locking assembly (908).

8. The pipe end grinding device for a reducer according to claim 7, characterized in that: The grinding assembly is pivotally connected in the connecting seat (902), and a plurality of slots (9032) are provided on the grinding assembly. By rotating the grinding assembly, the locking assembly (908) can be locked in the slots (9032) at different positions.

9. The pipe end grinding device for a reducer according to claim 8, characterized in that: The grinding assembly comprises: A connecting rod (903) pivotally connected to the connecting seat (902), the connecting rod (903) being provided with a plurality of annularly distributed clamping grooves (9032); a second motor (904) mounted on the connecting rod (903); A grinding wheel (907) is mounted on the second motor (904).

10. The pipe end grinding device for a reducer according to claim 8, characterized in that: The locking assembly (908) comprises: A T-shaped movable block (9084) slidably disposed in the connecting seat (902), wherein the T-shaped movable block (9084) can be inserted into the corresponding card slot (9032); A pull rod (9082) fixedly connected to the T-shaped movable block (9084); A compression spring (9083) is sleeved on the pull rod (9082), and the compression spring (9083) is supported between the connecting seat (902) and the T-shaped movable block (9084).

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