Adjustable boring head of valve boring machine

Abstract

The utility model discloses an adjustable valve boring machine boring head which comprises a boring head body, a fixing piece is fixedly connected to the interior of the boring head body through a bolt, a mounting groove is formed in one side of the top of the fixing piece, a mounting piece is connected to the interior of the mounting groove in a matched mode, a boring cutter fixing groove is formed in the mounting piece, and a boring cutter is arranged in the boring cutter fixing groove. A sliding groove is formed in the fixing part, an adjusting rod is slidably connected into the sliding groove, a plurality of connecting rods are hinged to one side of the top of the adjusting rod, the ends, away from the adjusting rod, of the connecting rods are hinged to the mounting part, and a positioning assembly is arranged on the side, located on the mounting part, of the top of the fixing part. The position of the boring cutter can be adjusted according to the size of a machined valve, reliable positioning can be conducted after adjustment, part damage caused by accidental movement is avoided, positioning of the boring cutter is convenient and fast, and practicability and convenience are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical equipment processing, in particular to an adjustable valve boring machine boring head. Background Art

[0002] Pipeline valves are components that are widely used in many industries, such as petrochemical, nuclear power, shipbuilding, electric power, pneumatic transportation, heat transportation and other industries.

[0003] Publication No. CN211360693U discloses a new type of boring head for a valve boring machine. The patent drives the boring cutter to adjust to meet the requirements of multiple sizes of valves through a mobile boring rod with adjustable position, reduces the replacement frequency, and improves processing efficiency. However, the patent still has the following problems in actual use:

[0004] The boring tool is adjusted by a mobile boring bar with an adjustable position to meet the requirements of multiple valve sizes, reduce replacement frequency, and improve processing efficiency. However, in actual use, if the position of the mobile boring bar is adjusted and then limited by adjusting the drive nut and the adjusting screw, the impact force applied to the boring tool during use may cause the teeth between the nut and the screw to break, affecting subsequent use.

[0005] An adjustable valve boring machine boring head is proposed to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide an adjustable valve boring machine boring head to solve the problem proposed in the above background technology that the boring cutter is currently adjusted by a mobile boring bar with an adjustable position to meet the multi-size requirements of valves, reduce the replacement frequency, and improve the processing efficiency. However, in actual use, after the position of the mobile boring bar is adjusted, if the position is limited by adjusting the driving nut and the adjusting screw, the impact force received by the boring cutter during use may cause the teeth between the nut and the screw to break, affecting the subsequent use.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an adjustable valve boring machine boring head, comprising a boring head body;

[0008] The interior of the boring head body is fixedly connected with a fixing piece by bolts, and a mounting groove is provided on one side of the top of the fixing piece, and the interior of the mounting groove is adapted to be connected with the fixing piece, and a boring tool fixing groove is provided inside the fixing piece;

[0009] Also includes:

[0010] The fixing member has a sliding groove inside, and an adjusting rod is slidably connected inside the sliding groove, and a plurality of connecting rods are hinged on one side of the top of the adjusting rod, and the ends of the plurality of connecting rods away from the adjusting rod are hinged to the mounting member, and a positioning assembly is arranged on one side of the mounting member at the top of the fixing member;

[0011] The positioning assembly includes a support plate fixedly mounted on the top of the fixing member near one side of the mounting member, and a fixing sleeve is slidably connected to the outer side of the support plate, and the fixing sleeve is fixedly connected to the mounting member, and moving rods are symmetrically slidably connected to the inside of both sides of the fixing sleeve;

[0012] Wherein, movable grooves are symmetrically provided on both sides of the interior of the fixing sleeve, and the adjacent ends of the two moving rods are movably connected with positioning plates, and a plurality of rubber bumps are fixedly installed on one side of the positioning plates.

[0013] Preferably, the two movable rods are fixedly connected to a movable plate at their ends away from each other, and a positioning bolt is threadedly connected to one side of one movable plate, and one end of the positioning bolt is movably connected to a fixed sleeve, and a mounting sleeve is symmetrically installed on one side of the fixed sleeve, and the interiors of the two mounting sleeves are slidably connected to movable rods, and the two movable rods are fixedly connected to the two movable plates at their ends away from each other, respectively.

[0014] Preferably, one side of the fixed sleeve is rotatably connected to a rotating part between the two movable rods, and the ends of the two movable rods that are close to each other are fixedly installed with mounting rods, and movable grooves are symmetrically opened on both sides of the rotating part, and one side of the two mounting rods are fixedly installed with column blocks, and the two column blocks are slidably connected to the two movable grooves respectively.

[0015] Preferably, a threaded sleeve is fixedly connected to one side of the interior of the fixing member, and a threaded rod is threadedly connected to the interior of the threaded sleeve, and one end of the threaded rod is rotatably connected to the adjusting rod, and a hand wheel is fixedly mounted on the other end of the threaded rod.

[0016] Preferably, a limiting sleeve is fixedly installed on one side of the handwheel, and the limiting sleeve is slidably connected to a limiting rod inside, and a plurality of limiting grooves are opened on one side of the fixing member close to the handwheel, and the limiting rod is snap-connected with the limiting grooves.

[0017] Preferably, a mounting frame is fixedly mounted on one side of the limiting sleeve, and a positioning rod is slidably connected inside the mounting frame, and a handle is fixedly mounted on one end of the positioning rod, and a plurality of positioning grooves are opened on one side of the limiting rod, and the positioning rod is snap-connected with the positioning groove.

[0018] Preferably, a telescopic spring is sleeved on one side of the exterior of the positioning rod, one end of the telescopic spring is fixedly connected to the mounting frame, and a connecting block is fixedly installed on the other end of the telescopic spring, and the connecting block is fixedly connected to the positioning rod.

[0019] Compared with the prior art, the utility model has the following beneficial effects: the boring head of the adjustable valve boring machine is provided with a positioning assembly on the top of the fixing part near the mounting part, so that the position of the boring cutter can be adjusted according to the size of the processed valve, and after adjustment, reliable positioning can be performed to avoid damage to parts caused by accidental movement, and the positioning of the boring cutter is relatively convenient, which improves practicality and convenience. The specific contents are as follows:

[0020] 1. A positioning assembly is provided on one side of the top of the fixing part close to the mounting part. The boring tool can be installed and fixed by inserting the boring tool into the boring tool fixing groove and by means of bolts. When adjusting the boring tool position according to the valve size, the hand wheel is turned to drive the threaded rod to rotate. The threaded rod can push the adjusting rod to slide in the sliding groove through the threaded connection with the threaded sleeve, so that the connecting rod can be driven to rotate, and then the connecting rod pushes the mounting part, so that the position of the boring tool inside the mounting part can be adjusted. After the adjustment, the mounting part can be preliminarily limited by the connection between the threaded rod and the threaded sleeve, and the positioning bolt on one side of the fixing sleeve is turned to drive the movable plate on one side to move. After the movable plate on one side moves, the movable rod can be driven to slide on the mounting sleeve, and then the column block on the mounting rod can be driven to move. After the column block on one side moves, the sliding connection between the column block and the moving groove on the rotating member can be used to push the rotating member to rotate. After the rotating member rotates, the column block on the other side can be pushed to slide in the moving groove, so that the movable rod on the other side can be driven to move, so that after the movable rod on one side moves, the two movable rods can move at the same time, and then the two movable plates can be driven to move close to each other, so that the movable rod pushes the positioning plate to slide on the movable groove, and then the two positioning plates can be closely fitted with the support plates, so that the fixing sleeve can be fixed, and then the mounting member can be positioned, and the positioning assembly can make the boring tool reliably positioned after adjustment, avoiding damage to parts caused by accidental movement, and the positioning of the boring tool is more convenient, which improves practicality and convenience;

[0021] 2. When adjusting the position of the boring tool, pull the handle to drive the positioning rod to slide on the mounting frame. The positioning rod moves through the connecting block to compress the telescopic spring, so that the positioning rod is disengaged from the positioning groove, and the limit rod loses its limit. The limit rod can be moved to disengage the limit rod from the limit groove, thereby causing the handwheel to lose its limit. The handwheel can be turned to adjust the position of the boring tool. After adjustment, the limit rod on the limit sleeve is moved to engage the limit rod with the adjacent limit groove, and the positioning rod is engaged with the adjacent positioning groove, so that the handwheel can be limited to avoid accidental movement of the handwheel, thereby preventing the threaded rod from accidentally moving and changing the position of the boring tool. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the front cross-section structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the side sectional structure of the positioning assembly of the utility model;

[0024] Figure 3 This is a schematic diagram of the side structure of the positioning component of the utility model;

[0025] Figure 4 For this utility model Figure 3 A schematic diagram of the enlarged structure of the middle A area;

[0026] Figure 5 For this utility model Figure 1 Schematic diagram of the enlarged structure of area B in the middle.

[0027] In the figure: 1, boring head body; 101, fixing member; 102, mounting groove; 103, mounting member; 104, boring tool fixing groove; 105, sliding groove; 106, adjusting rod; 107, connecting rod; 108, threaded sleeve; 109, threaded rod; 110, hand wheel; 111, limiting sleeve; 112, limiting rod; 113, limiting groove; 114, mounting frame; 115, positioning rod; 116, positioning slot; 117, telescopic spring; 118, connecting block; 119, handle; 2, positioning assembly; 201, support plate; 202, fixing sleeve; 203, moving rod; 204, movable slot; 205, positioning plate; 206, moving plate; 2061, positioning bolt; 207, mounting sleeve; 208, movable rod; 209, rotating part; 210, mounting rod; 211, movable slot; 212, column block. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] See also Figure 1-5The utility model provides a technical solution: an adjustable valve boring machine boring head, including a boring head body 1, a fixing member 101 is fixedly connected to the inside of the boring head body 1 by bolts, and a mounting groove 102 is provided on one side of the top of the fixing member 101, and a mounting member 103 is adapted to be connected to the inside of the mounting groove 102, and a boring tool fixing groove 104 is provided on the inside of the mounting member 103, and further includes: a sliding groove 105 is provided on the inside of the fixing member 101, and an adjusting rod 106 is slidably connected to the inside of the sliding groove 105, and a plurality of connecting rods 107 are hinged on one side of the top of the adjusting rod 106, and the ends of the plurality of connecting rods 107 away from the adjusting rod 106 are hinged to the mounting member 103, and a fixed groove 104 is provided on the top of the fixing member 101 on one side of the mounting member 103. The positioning component 2 includes a support plate 201 fixedly mounted on the top of the fixing member 101 close to the mounting member 103, and a fixing sleeve 202 is slidably connected to an outer side of the support plate 201, and the fixing sleeve 202 is fixedly connected to the mounting member 103, and moving rods 203 are symmetrically slidably connected to the inside of the fixing sleeve 202 on both sides, wherein movable grooves 204 are symmetrically provided on both sides of the inside of the fixing sleeve 202, and the ends of the two moving rods 203 that are close to each other are movably connected to a positioning plate 205, and a plurality of rubber bumps are fixedly mounted on one side of the positioning plate 205, and the positioning component 2 makes it possible to reliably position the boring tool after adjustment to avoid damage to parts caused by accidental movement, and the positioning of the boring tool is relatively convenient, thereby improving practicality and convenience.

[0030] The ends of the two moving rods 203 that are away from each other are fixedly connected to the moving plates 206, and one side of the moving plate 206 is threadedly connected to a positioning bolt 2061, and one end of the positioning bolt 2061 is movably connected to the fixed sleeve 202, and a mounting sleeve 207 is symmetrically installed on one side of the fixed sleeve 202, and the insides of the two mounting sleeves 207 are slidably connected to the movable rods 208, and the ends of the two movable rods 208 that are away from each other are fixedly connected to the two moving plates 206, so that the rotation of the positioning bolt 2061 can be To drive the movable plate 206 to move, one side of the fixed sleeve 202 is rotatably connected with a rotating member 209 located between the two movable rods 208, and the ends of the two movable rods 208 that are close to each other are fixedly installed with mounting rods 210, and movable grooves 211 are symmetrically opened on both sides of the rotating member 209, and one side of the two mounting rods 210 is fixedly installed with column blocks 212, and the two column blocks 212 are slidably connected with the two movable grooves 211 respectively, so that the movement of the movable rod 208 on one side can make the two movable rods 208 move at the same time.

[0031] A threaded sleeve 108 is fixedly connected to one side of the interior of the fixing member 101, and a threaded rod 109 is connected to the internal thread of the threaded sleeve 108, and one end of the threaded rod 109 is rotatably connected to the adjusting rod 106, and a hand wheel 110 is fixedly installed on the other end of the threaded rod 109, and the position of the adjusting rod 106 can be adjusted. A limiting sleeve 111 is fixedly installed on one side of the hand wheel 110, and the limiting sleeve 111 is internally slidably connected to the limiting rod 112, and a plurality of limiting grooves 113 are provided on one side of the fixing member 101 close to the hand wheel 110, and the limiting rod 112 is engaged with the limiting groove 113, so as to limit the hand wheel 110, and one side of the limiting sleeve 111 is fixedly installed A mounting frame 114 is fixedly installed, and a positioning rod 115 is slidably connected inside the mounting frame 114, and a handle 119 is fixedly installed on one end of the positioning rod 115, and a plurality of positioning grooves 116 are opened on one side of the limiting rod 112, and the positioning rod 115 is snap-connected with the positioning groove 116 to position the limiting rod 112, and a telescopic spring 117 is sleeved on one side of the outside of the positioning rod 115, and one end of the telescopic spring 117 is fixedly connected to the mounting frame 114, and a connecting block 118 is fixedly installed on the other end of the telescopic spring 117, and the connecting block 118 is fixedly connected to the positioning rod 115, so that the positioning rod 115 can be automatically reset after moving.

[0032] Working principle: Before using this adjustable valve boring machine boring head, you need to check the overall condition of the device to make sure it can work normally. Figure 1 - Figure 5As shown, a positioning assembly 2 is provided on one side of the top of the fixing member 101 near the mounting member 103. By inserting the boring tool into the boring tool fixing groove 104, the boring tool can be installed and fixed by bolts. When adjusting the boring tool position according to the valve size, the hand wheel 110 is rotated to drive the threaded rod 109 to rotate. The threaded rod 109 can push the adjusting rod 106 to slide in the sliding groove 105 through the threaded connection with the threaded sleeve 108, so that the connecting rod 107 can be driven to rotate, and then the connecting rod 107 pushes the mounting member 103, so that the position of the boring tool inside the mounting member 103 can be adjusted. After adjustment, the mounting member 103 can be preliminarily limited by the connection between the threaded rod 109 and the threaded sleeve 108, and the positioning bolt 2061 on one side of the fixing sleeve 202 is rotated to drive the movable plate 206 on one side to move. After the movable plate 206 on one side moves, the movable rod 208 can be driven to slide on the mounting sleeve 207, thereby driving the mounting rod 21 0, the upper column block 212 moves, and after the column block 212 on one side moves, the column block 212 can push the rotating member 209 to rotate through the sliding connection between the column block 212 and the moving groove 211 on the rotating member 209. After the rotating member 209 rotates, the column block 212 on the other side can be pushed to slide in the moving groove 211, so that the movable rod 208 on the other side can be driven to move, so that after the movable rod 208 on one side moves, the two movable rods 208 can be moved at the same time, and then the two movable plates 206 can be driven to move close to each other, so that the movable rod 203 pushes the positioning plate 205 to slide on the movable groove 204, and then the two positioning plates 205 can be closely fitted with the support plate 201, so that the fixing sleeve 202 can be fixed, and then the mounting member 103 can be positioned. The positioning assembly 2 allows the boring tool to be reliably positioned after adjustment, avoiding damage to parts caused by accidental movement, and the positioning of the boring tool is relatively convenient, which improves practicality and convenience;

[0033] When adjusting the position of the boring tool, pull the handle 119 to drive the positioning rod 115 to slide on the mounting frame 114, and the positioning rod 115 moves through the connecting block 118 to compress the telescopic spring 117, so that the positioning rod 115 is disengaged from the positioning groove 116, so that the limiting rod 112 loses its limit, and the limiting rod 112 can be moved to disengage the limiting rod 112 from the limiting groove 113, thereby causing the handwheel 110 to lose its limit. The handwheel 110 can be rotated to adjust the position of the boring tool. After adjustment, the limiting rod 112 on the limiting sleeve 111 is moved so that the limiting rod 112 is engaged with the adjacent limiting groove 113, and the positioning rod 115 is engaged with the adjacent positioning groove 116, so that the handwheel 110 can be limited to avoid accidental movement of the handwheel 110, thereby preventing the threaded rod 109 from accidentally moving and changing the position of the boring tool.

[0034] Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. An adjustable valve boring machine boring head, comprising a boring head body (1); The interior of the boring head body (1) is fixedly connected with a fixing piece (101) by means of bolts, a mounting groove (102) is provided on one side of the top of the fixing piece (101), a mounting piece (103) is adapted to be connected inside the mounting groove (102), and a boring tool fixing groove (104) is provided inside the mounting piece (103); It is characterized in that Also includes: The fixing member (101) is provided with a sliding groove (105) inside, and an adjusting rod (106) is slidably connected inside the sliding groove (105), and a plurality of connecting rods (107) are hingedly connected to one side of the top of the adjusting rod (106), and one end of the plurality of connecting rods (107) away from the adjusting rod (106) is hingedly connected to the mounting member (103), and a positioning assembly (2) is provided on one side of the top of the fixing member (101) located on the mounting member (103); The positioning assembly (2) comprises a support plate (201) fixedly mounted on the top of the fixing member (101) near the mounting member (103), and a fixing sleeve (202) is slidably connected to the outer side of the support plate (201), and the fixing sleeve (202) is fixedly connected to the mounting member (103), and moving rods (203) are symmetrically slidably connected to the inside of both sides of the fixing sleeve (202); Wherein, movable grooves (204) are symmetrically provided on both sides of the interior of the fixing sleeve (202), and the adjacent ends of the two moving rods (203) are movably connected to a positioning plate (205), and a plurality of rubber bumps are fixedly installed on one side of the positioning plate (205).

2. The adjustable valve boring machine boring head according to claim 1, characterized in that: The ends of the two movable rods (203) that are away from each other are fixedly connected to the movable plate (206), and one side of the movable plate (206) is threadedly connected to a positioning bolt (2061), and one end of the positioning bolt (2061) is movably connected to the fixed sleeve (202), and a mounting sleeve (207) is symmetrically installed on one side of the fixed sleeve (202), and the interiors of the two mounting sleeves (207) are slidably connected to movable rods (208), and the ends of the two movable rods (208) that are away from each other are fixedly connected to the two movable plates (206) respectively.

3. The adjustable valve boring machine boring head according to claim 1, characterized in that: One side of the fixed sleeve (202) is located between the two movable rods (208) and is rotatably connected to a rotating member (209), and the ends of the two movable rods (208) that are close to each other are fixedly installed with mounting rods (210), and moving grooves (211) are symmetrically opened on both sides of the rotating member (209), and one side of the two mounting rods (210) is fixedly installed with column blocks (212), and the two column blocks (212) are respectively slidably connected to the two moving grooves (211).

4. The adjustable valve boring machine boring head according to claim 1, characterized in that: A threaded sleeve (108) is fixedly connected to one side of the interior of the fixing member (101), and a threaded rod (109) is threadedly connected to the interior of the threaded sleeve (108), and one end of the threaded rod (109) is rotatably connected to the adjusting rod (106), and a hand wheel (110) is fixedly mounted on the other end of the threaded rod (109).

5. The adjustable valve boring machine boring head according to claim 4, characterized in that: A limiting sleeve (111) is fixedly mounted on one side of the hand wheel (110), and the limiting sleeve (111) is slidably connected to a limiting rod (112) inside, and a plurality of limiting grooves (113) are provided on a side of the fixing member (101) close to the hand wheel (110), and the limiting rod (112) is snap-fitted and connected to the limiting grooves (113).

6. The adjustable valve boring machine boring head according to claim 5, characterized in that: A mounting frame (114) is fixedly mounted on one side of the limiting sleeve (111), and a positioning rod (115) is slidably connected inside the mounting frame (114), and a handle (119) is fixedly mounted on one end of the positioning rod (115), and a plurality of positioning grooves (116) are formed on one side of the limiting rod (112), and the positioning rod (115) is snap-fitted and connected to the positioning groove (116).

7. The adjustable valve boring machine boring head according to claim 6, characterized in that: A telescopic spring (117) is sleeved on one side of the exterior of the positioning rod (115), one end of the telescopic spring (117) is fixedly connected to the mounting frame (114), and a connecting block (118) is fixedly installed on the other end of the telescopic spring (117), and the connecting block (118) is fixedly connected to the positioning rod (115).

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