Steel pipe double-end grinding device

Abstract

The utility model provides a steel pipe double-end grinding device which comprises a workbench, first sliding rails are symmetrically arranged at the top of the workbench, the first sliding rails are connected with lifting grinding parts which are symmetrically arranged in a matched mode, the bottoms of the lifting grinding parts are connected with rotating lead screws, the lifting grinding parts are connected with grinding mechanisms, the grinding mechanisms are detachably connected with grinding heads, and the grinding heads are connected with a grinding head. A second sliding rail is arranged in the middle of the symmetrically-arranged first sliding rails and connected with a plurality of steel pipe positioning parts in a matched mode, so that the problems that although existing semi-automatic equipment improves the grinding efficiency, only one end of a steel pipe can be ground, existing grinding equipment has defects in the aspects of steel pipe positioning and clamping, the grinding precision is affected, and the grinding efficiency is affected are solved. And the sizes of the clamped steel pipes are the same, so that the clamping operation cannot be carried out according to the pipe diameter.

Description

Technical Field

[0001] The utility model mainly relates to the technical field of steel pipe grinding, and particularly relates to a double-head grinding device for steel pipes. Background Art

[0002] In the existing technology, the end face grinding work of steel pipes is usually carried out by manual operation or semi-automatic equipment. These methods often have the problems that "manual grinding has low efficiency and it is difficult to ensure the consistency of grinding quality;

[0003] Although semi-automatic equipment improves the grinding efficiency, it can often only grind one end of the steel pipe. For application scenarios that require double-head grinding, the operation is cumbersome and the efficiency is not high;

[0004] The existing grinding equipment has deficiencies in the positioning and clamping of steel pipes, which is easy to cause the axis of the steel pipe to deviate, affecting the grinding accuracy. Moreover, most of the steel pipes clamped are of the same specification and cannot carry out clamping operations according to the pipe diameter.

[0005] It should be noted that the above content belongs to the technical cognition scope of the inventor. Due to the vast and complex technical content in this field, the above content of this application does not necessarily constitute the prior art. Content of the Utility Model

[0006] 1. Technical problems to be solved by the utility model:

[0007] The utility model provides a double-head grinding device for steel pipes to solve the technical problems existing in the above background art.

[0008] 2. Technical solution:

[0009] To achieve the above purpose, the technical solution provided by the utility model is: a double-head grinding device for steel pipes, including a workbench. Symmetric first slide rails are provided at the top of the workbench. The first slide rails are connected to symmetrically arranged lifting and grinding parts in a matching manner. The bottom of the lifting and grinding parts is connected to a rotating lead screw. The lifting and grinding parts are connected to a grinding mechanism. The grinding mechanism is detachably connected to a grinding head. A second slide rail is provided in the middle of the symmetrically arranged first slide rails. The second slide rail is connected to a plurality of steel pipe positioning parts in a matching manner. When the device works, different numbers of steel pipe positioning parts are set according to the length of the steel pipe. The longer the length of the steel pipe, the more the number of steel pipe positioning parts, ensuring good positioning effect of the steel pipe. The steel pipe needs to be placed and fixed in the middle. Then, the grinding mechanism is lifted to a suitable height so that the center of its rotating shaft is coaxial with the center of the steel pipe. After installing a suitable grinding head, finally, by rotating the lead screw, the two lifting and grinding parts can be driven to approach each other. This device can carry out double-head grinding simultaneously, and the grinding head can be quickly disassembled and installed to be applicable to steel pipes of different specifications. The number of steel pipe positioning parts can also be set differently according to the specification length of the steel pipe.

[0010] Furthermore, the lifting and polishing part includes a movable plate, the movable plate is matched and connected to the rotating screw, the two ends of the movable plate are connected to the lower concave plate, the lower concave plate is slidably connected to the first slide rail, the top of the lower concave plate is connected to the upper concave plate, the top of the upper concave plate is threadedly connected to the lifting rotating column, and the bottom of the lifting rotating column is rotatably connected to the top of the polishing mechanism.

[0011] Furthermore, lifting grooves are symmetrically arranged on both sides of the upper concave plate, the lifting grooves are matched and connected to lifting plates, the lifting plates are arranged on both sides of the grinding mechanism, the top of the lifting rotating column is connected to the rotating disk, and the top of the rotating disk is connected to the toggle column.

[0012] Furthermore, the grinding mechanism includes a rotating motor, the rotating shaft of the rotating motor has a concave groove, a spring is arranged in the concave groove, the outside of the spring is connected to a sliding pressure block, the outside of the sliding pressure block is connected to a first flange, the outside of the first flange is provided with a first combining block, the first combining block has a concave limiting groove, the first flange is detachably connected to the grinding head, the grinding head has a locking hole, a protruding block is arranged on the inner side, and the protruding block is matched and connected to the concave limiting groove.

[0013] Furthermore, the steel pipe positioning part includes a T-shaped slider, which is slidably connected to the second slide rail, the top of the T-shaped slider is connected to a concave support block, the top of the concave support block is detachably connected to a concave positioning block, and the top of the concave positioning block is threadedly connected to positioning pins on both sides.

[0014] Furthermore, an arc-shaped rubber block is provided at the end of the positioning pin.

[0015] Furthermore, the side surface of the concave support block is connected to a fixing plate, and the fixing plate is threadedly connected to a fixing screw.

[0016] 3. Beneficial effects:

[0017] Compared with the prior art, the technical solution provided by the utility model has the following beneficial effects:

[0018] The utility model is reasonably designed and can install a suitable number of steel pipe positioning parts according to the length of the steel pipe. After the steel pipe is positioned, the heights of the two grinding mechanisms in the lifting and grinding parts are adjusted according to the center position of the steel pipe. Finally, a suitable grinding head is installed. The two ends of the steel pipe can be ground at one time, which improves the working efficiency and can adapt to the grinding operations of steel pipes of different specifications.

[0019] It should be noted that the structures not introduced in the present invention are not related to the design points and improvement directions of the present invention, and are the same as the prior art or can be implemented by using the prior art, and will not be described in detail here. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the bottom structure of the utility model;

[0022] Figure 3 It is a partial structural schematic diagram of the utility model;

[0023] Figure 4 It is a schematic diagram of the grinding mechanism structure of the utility model.

[0024] Reference numerals:

[0025] 1. Workbench; 2. First slide rail; 3. Lifting and grinding part; 31. Moving plate; 32. Lower concave plate; 33. Upper concave plate; 34. Lifting and rotating column; 35. Lifting slide groove; 36. Lifting plate; 37. Rotating disk; 38. Toggle column; 4. Rotating screw; 5. Grinding mechanism; 51. Rotating motor; 52. Concave slide groove; 53. Spring; 54. Sliding pressure block; 55. First flange; 56. First combining block; 57. Concave limiting groove; 58. Raised block; 6. Grinding head; 7. Second slide rail; 8. Steel pipe positioning part; 81. T-shaped slider; 82. Concave supporting block; 83. Concave positioning block; 84. Positioning pin; 85. Arc rubber block; 86. Fixed plate; 87. Fixing screw. DETAILED DESCRIPTION

[0026] To facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0027] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "page", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0028] In addition, the terms "first" and "second" are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, "a plurality of" means two or more, unless otherwise specifically defined.

[0029] In the present utility model, unless otherwise clearly specified and defined, terms such as "installed", "connected", "joined", "fixed", "provided with", "arranged on" shall be construed in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. Embodiment

[0030] Refer to the attached Figures 1-4 , a double - headed grinding device for steel pipes, comprising a workbench 1. Symmetrically arranged first slide rails 2 are provided at the top of the workbench 1. The first slide rails 2 are matingly connected to symmetrically arranged lifting and grinding parts 3. The bottom of the lifting and grinding parts 3 is connected to a rotating lead screw 4. The lifting and grinding parts 3 are connected to a grinding mechanism 5. The grinding mechanism 5 is detachably connected to a grinding head 6. A second slide rail 7 is provided in the middle of the symmetrically arranged first slide rails 2. The second slide rail 7 is matingly connected to a plurality of steel pipe positioning parts 8. When the device works, different numbers of steel pipe positioning parts 8 are set according to the length of the steel pipe. The longer the length of the steel pipe, the more the number of steel pipe positioning parts 8, ensuring a good positioning effect for the steel pipe. The steel pipe needs to be placed and fixed in the middle. Then, the grinding mechanism 5 is lifted to an appropriate height so that the center of its rotating shaft is coaxial with the center of the steel pipe. After installing a suitable grinding head 6, finally, by rotating the lead screw, the two lifting and grinding parts 3 are driven to approach each other. This device can perform double - headed grinding simultaneously, and the grinding head can be quickly disassembled and installed to be applicable to steel pipes of different specifications. The number of steel pipe positioning parts 8 can also be set differently according to the specification length of the steel pipe.

[0031] The lifting and grinding part 3 includes a movable plate 31, and the movable plate 31 is matched and connected to the rotating screw 4. The two ends of the movable plate 31 are connected to the lower concave plate 32, and the lower concave plate 32 is slidably connected to the first slide rail 2. The top of the lower concave plate 32 is connected to the upper concave plate 33, and the top of the upper concave plate 33 is threadedly connected to the lifting and rotating column 34. The bottom of the lifting and rotating column 34 is rotatably connected to the top of the grinding mechanism 5. The lifting and grinding part 3 can be adjusted to a suitable height according to the center position of the steel pipe. When adjustment is needed, the lifting and rotating column 34 at the top is rotated to drive the bottom grinding mechanism 5 to lift and slide on the upper concave plate 33, so as to adjust the height.

[0032] The upper concave plate 33 has lifting slots 35 symmetrically arranged on both sides thereof. The lifting slots 35 are matched and connected to lifting plates 36. The lifting plates 36 are arranged on both sides of the grinding mechanism 5. The top of the lifting rotating column 34 is connected to a rotating disk 37. The top of the rotating disk 37 is connected to a toggle column 38. The lifting slots 35 cooperate with the lifting plates 36 to ensure that the grinding mechanism 5 can be lifted and lowered vertically smoothly. When lifting and lowering, the lifting rotating column 34 can be rotated by the toggle column 38.

[0033] The grinding mechanism 5 includes a rotating motor 51, the rotating shaft of the rotating motor 51 is provided with a concave slide groove 52, a spring 53 is arranged in the concave slide groove 52, the spring 53 is externally connected to a sliding pressure block 54, the sliding pressure block 54 is externally connected to a first flange 55, the first flange 55 is externally provided with a first combining block 56, the first combining block 56 is provided with a concave limiting groove 57, the first flange 55 is detachably connected to the grinding head 6, the grinding head 6 is provided with a locking hole, and a protruding block 58 is arranged on the inner side, the protruding block 58 The concave limiting groove 57 is matched and connected. When the grinding mechanism 5 is working, the grinding head 6 is first connected through the first flange 55, and then the screw rod 4 is rotated to move the two grinding heads 6 toward each other. Since a spring 53 is provided in the concave slide groove 52, the grinding head 6 can continuously apply pressure to the cut surface of the steel pipe during grinding, thereby improving the grinding effect. When installing and disassembling the grinding head 6, it is only necessary to disassemble the locking hole and the first flange 55 through screws. The grinding head 6 can be set to different sizes and shapes according to the grinding requirements of the end face, thereby adapting to different grinding requirements.

[0034] The steel pipe positioning part 8 includes a T-shaped slider 81 which is slidably connected to the second slide rail 7. The top of the T-shaped slider 81 is connected to a concave support block 82. The top of the concave support block 82 is detachably connected to a concave positioning block 83. The top and both sides of the concave positioning block 83 are threadedly connected to positioning pins 84. The steel pipe positioning part 8 can position and clamp the steel pipe, facilitating subsequent grinding work. Before grinding the steel pipe, first place the steel pipe into the concave support block 82, then connect the concave positioning block 83 to the top of the concave support block 82 with screws, and finally tighten the positioning pins 84 inward. The three positioning pins 84 are arranged in a triangular pattern, which can effectively position the steel pipe.

[0035] An arc-shaped rubber block 85 is provided at the end of the positioning pin 84. The arc-shaped rubber block 85 can increase the friction with the steel pipe and prevent the steel pipe from rotating during the grinding process.

[0036] A fixing plate 86 is connected to the side of the concave support block 82. A fixing screw 87 is threadedly connected to the fixing plate 86. The position of the concave support block 82 can be fixed by the fixing screw 87 to prevent the steel pipe positioning part 8 from sliding back and forth when grinding the steel pipe.

[0037] The above embodiments only represent a certain implementation mode of the present utility model, and its description is relatively specific and detailed, but it should not be construed as a limitation of the scope of the patent of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present utility model, several deformations and improvements can still be made, and these all belong to the protection scope of the present utility model. Therefore, the protection scope of the patent of the present utility model should be subject to the appended claims.

Claims

1. A double-end grinding device for steel pipes, characterized in that: The workbench (1) comprises a workbench (1), wherein a first slide rail (2) is symmetrically arranged on the top of the workbench (1), the first slide rail (2) is matched and connected to a symmetrically arranged lifting and grinding part (3), the bottom of the lifting and grinding part (3) is connected to a rotating screw (4), the lifting and grinding part (3) is connected to a grinding mechanism (5), the grinding mechanism (5) is detachably connected to a grinding head (6), and a second slide rail (7) is symmetrically arranged in the middle of the first slide rail (2), and the second slide rail (7) is matched and connected to a plurality of steel pipe positioning parts (8); The steel pipe positioning portion (8) comprises a T-shaped slider (81), the T-shaped slider (81) is slidably connected to the second slide rail (7), the top of the T-shaped slider (81) is connected to a concave support block (82), the top of the concave support block (82) is detachably connected to a concave positioning block (83), and the top of the concave positioning block (83) is threadedly connected to positioning pins (84) on both sides; An arc-shaped rubber block (85) is provided at the end of the positioning pin (84).

2. A double-end grinding device for steel pipes according to claim 1, characterized in that: The lifting and grinding part (3) comprises a movable plate (31), the movable plate (31) is matched and connected to the rotating screw (4), the two ends of the movable plate (31) are connected to the lower concave plate (32), the lower concave plate (32) is slidably connected to the first slide rail (2), the top of the lower concave plate (32) is connected to the upper concave plate (33), the top of the upper concave plate (33) is threadedly connected to the lifting rotating column (34), and the bottom of the lifting rotating column (34) is rotatably connected to the top of the grinding mechanism (5).

3. A double-end grinding device for steel pipes according to claim 2, characterized in that: The upper concave plate (33) has lifting slots (35) symmetrically arranged on both sides thereof. The lifting slots (35) are matched and connected to lifting plates (36). The lifting plates (36) are arranged on both sides of the grinding mechanism (5). The top of the lifting rotating column (34) is connected to a rotating disk (37), and the top of the rotating disk (37) is connected to a toggle column (38).

4. A double-end grinding device for steel pipes according to claim 1, characterized in that: The grinding mechanism (5) comprises a rotating motor (51), a rotating shaft of the rotating motor (51) is provided with a concave sliding groove (52), a spring (53) is arranged in the concave sliding groove (52), the spring (53) is externally connected to a sliding pressure block (54), the sliding pressure block (54) is externally connected to a first flange (55), a first coupling block (56) is externally provided on the first flange (55), a concave limiting groove (57) is arranged on the first coupling block (56), the first flange (55) is detachably connected to the grinding head (6), a locking hole is arranged on the grinding head (6), a protruding block (58) is arranged on the inner side, and the protruding block (58) is matched and connected to the concave limiting groove (57).

5. A double-end grinding device for steel pipes according to claim 1, characterized in that: The side surface of the concave support block (82) is connected to a fixing plate (86), and a fixing screw (87) is threadedly connected to the fixing plate (86).

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