Reinforced three-edge drill rod heat treatment quenching device

Abstract

The utility model discloses a reinforced three-edged drill rod heat treatment quenching device which comprises a quenching table and a quenching coil, a lifting rotating plate is horizontally arranged above the quenching table, the center of the lifting rotating plate is vertically and fixedly connected with a vertical rod, and the upper part of the vertical rod is connected with a lifting rotating assembly; a plurality of clamping pieces for fixing the three-edged drill rod are circumferentially distributed below the lifting rotating plate by taking the vertical rod as the center; a plurality of cooling grooves and heating grooves which are matched with the three-edged drill rod are formed in the upper surface of the quenching table, cooling liquid is arranged in the cooling grooves, and the quenching coil is arranged in the heating grooves. The device can be used for simultaneously quenching a plurality of three-edged drill rods, and realizes rapid heating and cooling of the drill rods, so that the quenching efficiency and the quenching quality of the drill rods can be obviously improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of drill pipe processing equipment, concretely relates to a reinforced three-edge drill pipe heat treatment quenching device. BACKGROUND

[0002] Three-edge drill pipe is the equipment for deep hole water exploration of hard rock and coal rock in coal mine tunnel. The reinforced three-edge drill pipe mainly adopts hard alloy strip or alloy wear-resistant layer, which not only makes the hardness of the drill pipe higher, but also makes the wear resistance of the drill pipe better, and can extend the service life of the drill pipe by several times. When the drill pipe is quenched, the drill pipe needs to be repeatedly heated and cooled. The existing drill pipe quenching is generally manually operated by workers using clamps or lifting devices and other auxiliary tools, which not only has high labor intensity, but also has low quenching efficiency, and seriously affects the processing efficiency of the drill pipe. CONTENT OF THE UTILITY MODEL

[0003] In order to solve the problems of the prior art, the utility model aims to provide a reinforced three-edge drill pipe heat treatment quenching device, which can quench and process multiple three-edge drill pipes at the same time, realize rapid heating and cooling of the drill pipe, and thus can significantly improve the quenching efficiency and quenching quality of the drill pipe.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the technical scheme that:

[0005] A reinforced three-edge drill pipe heat treatment quenching device, comprising a quenching table and a quenching coil, a lifting and rotating plate is horizontally arranged above the quenching table, a vertical rod is vertically fixed at the center of the lifting and rotating plate, and the upper end of the vertical rod is connected with a lifting and rotating assembly; a plurality of clamping pieces for fixing the three-edge drill pipe are arranged in a circle around the vertical rod below the lifting and rotating plate; the lifting and rotating assembly comprises a telescopic cylinder, a sleeve and a spring, the sleeve is vertically fixed on the upper surface of the quenching table through a support, an inclined fold line type guide groove is formed in the circumferential inner wall of the sleeve; the middle part of the vertical rod is movably sleeved in the sleeve, a guide rod is fixed on the vertical rod, and the guide rod is matched with the guide groove; the spring is sleeved on the upper end of the vertical rod outside the sleeve, and the two ends of the spring are respectively abutted with the sleeve and the upper end of the vertical rod; the telescopic cylinder is vertically fixed on the support, and the piston rod of the telescopic cylinder is downward abutted on the upper end of the vertical rod; a plurality of cooling grooves and heating grooves matched with the three-edge drill pipe are formed in the upper surface of the quenching table, cooling liquid is arranged in the cooling grooves, and the quenching coil is arranged in the heating grooves.

[0006] Preferably, the cooling grooves and the heating grooves are arranged in a plurality of sets and are distributed in a circle around the vertical rod on the top surface of the quenching table.

[0007] Preferably, the cooling grooves and the heating grooves are circular arc grooves.

[0008] Preferably, a limiting plate is horizontally arranged on the upper end of the vertical rod, and the upper end of the spring is abutted with the limiting plate.

[0009] Preferably, the limiting plate is horizontally rotatably installed on the vertical rod.

[0010] Preferably, the top end of the vertical rod is horizontally rotatably installed with an abutting block, and the piston rod of the telescopic cylinder abuts on the abutting block.

[0011] Preferably, the clamping member is a cylinder clamping jaw.

[0012] Preferably, the quenching coil is spirally arranged around the inner wall of the heating groove.

[0013] Preferably, the cooling groove is connected to the cooling liquid supply device through the liquid inlet pipe and the liquid outlet pipe.

[0014] The utility model has the beneficial effect that:

[0015] 1. The telescopic cylinder is vertically fixed on the support, the top end of the vertical rod is horizontally rotatably installed with an abutting block, and the piston rod of the telescopic cylinder abuts on the abutting block. The piston rod of the telescopic cylinder is pressed downward through the abutting block to press the vertical rod, and the vertical rod will rotate under the action of the guide rod. The rotary connection between the abutting block and the vertical rod can effectively avoid the rigid friction between the piston rod of the telescopic cylinder and the vertical rod.

[0016] 2. When the piston rod of the telescopic cylinder is extended downward against the abutting block, the vertical rod will be pressed to move downward, and through the cooperation of the guide rod and the guide groove, the vertical rod will rotate by a certain angle while moving downward, and the spring will be squeezed. When the guide rod moves to the lowermost end of the guide groove, the vertical rod can drive the three-pronged drill rod installed below the lifting rotary plate to extend into the cooling groove, and the three-pronged drill rod adjacent thereto extends into the heating groove for heating. After the telescopic cylinder remains in the extended state for a period of time, the telescopic cylinder is retracted, and under the action of the spring force, the limiting plate, the vertical rod, the lifting rotary plate and the three-pronged drill rod are reset upward, so that the guide rod moves to the uppermost end of the guide groove. At this time, the three-pronged drill rod moves out of the cooling groove and the heating groove. The telescopic cylinder is extended again, and at this time, the vertical rod drives the lifting rotary plate, the three-pronged drill rod and the like to rotate and descend to another station, so that the heated three-pronged drill rod extends into the adjacent cooling groove for cooling. Through repeated action, the quenching efficiency of the three-pronged drill rod is significantly improved.

[0017] 3. The cooling groove and the heating groove are both circular arc grooves, so that the moving length of the three-pronged drill rod in the cooling groove and the heating groove can be effectively prolonged, and the three-pronged drill rod can be prevented from bumping into the edges of the cooling groove and the heating groove when rotating downward and extending or moving upward. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 The utility model discloses a structure schematic view;

[0019] Fig. 2 The cooling tank and the heating tank are provided with a schematic diagram.

[0020] Fig. 3 The internal installation perspective view of the sleeve and the vertical rod. DETAILED DESCRIPTION

[0021] The principles and features of the present application will be described below in conjunction with the accompanying drawings, and the examples are only used to explain the present application and not to limit the use range of the present application.

[0022] As Figs. 1-3 The present application provides a reinforced three-prong drill rod heat treatment quenching device, which comprises a quenching table 1 and a quenching coil 3, and a lifting rotating plate 5 is horizontally arranged above the quenching table 1, and a plurality of clamping pieces 51 for fixing the three-prong drill rod 4 are arranged in a circle with the vertical rod 6 as the center below the lifting rotating plate 5. In the embodiment, the clamping piece 51 is a cylinder clamping jaw, and the upper end of the three-prong drill rod 4 is clamped vertically through the clamping of the cylinder clamping jaw, so that the three-prong drill rod 4 is kept in a vertical state for quenching processing.

[0023] The lower end of the vertical rod 6 is vertically and fixedly connected to the center of the top surface of the lifting rotating plate 5, and the vertical rod 6 is connected to a lifting rotating assembly above. The lifting rotating assembly comprises a telescopic cylinder 7, a sleeve 7 and a spring 62, the sleeve 7 is vertically fixed on the quenching table 1 through a support 11, and a continuous inclined broken line type guide groove 70 is formed in the circumferential inner wall of the sleeve 7 in the horizontal direction. The vertical rod 6 is movably sleeved in the sleeve 7, a guide rod 61 is fixedly arranged on the vertical rod 6, and the guide rod 61 is matched with the guide groove 70. The spring 62 is sleeved on the upper end of the vertical rod 6 which extends out of the sleeve 7, a limiting plate 63 is horizontally rotatably arranged on the upper end of the vertical rod 6, and the upper end of the spring 62 abuts against the limiting plate 63. The two ends of the spring 62 abut against the upper end opening of the sleeve 7 and the bottom of the limiting plate 63 respectively. Since the upper end of the spring 62 abuts against the limiting plate 63, and the limiting plate 63 is horizontally rotatably arranged on the vertical rod 6, when the vertical rod 6 rotates, the limiting plate 63 and the vertical rod 6 can relatively rotate, so that the rigid friction between the spring 62 and the limiting plate 63 is effectively avoided.

[0024] The telescopic cylinder 7 is vertically fixed on the support 11, the top end of the vertical rod 6 is rotatably arranged with an abutting block 64, and the piston rod of the telescopic cylinder 7 abuts against the abutting block 64. The piston rod of the telescopic cylinder 7 presses the vertical rod 6 downward through the abutting block 64, and since the vertical rod 6 rotates under the action of the guide rod 61, the abutting block 64 and the vertical rod 6 are rotatably connected, so that the rigid friction between the piston rod of the telescopic cylinder 7 and the vertical rod 6 is effectively avoided.

[0025] When the piston rod of the telescopic cylinder 7 is extended downward against the abutting block 64, the vertical rod 6 is pressed to move downward, and through the cooperation of the guide rod 61 and the guide groove 70, the vertical rod 6 is rotated by a certain angle while moving downward, and the spring 62 is compressed; when the guide rod 61 moves to the lowermost end of the guide groove 70, at this time the vertical rod 6 can drive the three-rib drill rod 4 installed below the lifting and rotating plate 5 to extend into the cooling tank 15, and the three-rib drill rod 4 adjacent to it extends into the heating tank 16 for heating; after the telescopic cylinder 7 remains in the extended state for a period of time, the telescopic cylinder 7 is retracted, and under the action of the spring 62, the limiting plate 63, the vertical rod 6, the lifting and rotating plate 5, and the three-rib drill rod 4 are reset upward, so that the guide rod 61 moves to the uppermost end of the guide groove 70, at this time the three-rib drill rod 4 is moved out of the cooling tank 15 and the heating tank 16; the telescopic cylinder 7 is extended again, at this time the vertical rod 6 drives the lifting and rotating plate 5, the three-rib drill rod 4, and the like to rotate and descend by one station, so that the heated three-rib drill rod 4 extends into the adjacent cooling tank 15 for cooling, and the reciprocating action is repeated for multiple times, so that the repeated quenching operation of the three-rib drill rod 4 can be realized, thereby significantly improving the quenching efficiency of the three-rib drill rod 4.

[0026] A plurality of cooling tanks 15 and heating tanks 16 matched with the three-rib drill rod 4 are arranged on the upper surface of the quenching table 1 with the vertical rod 6 as the center, and the cooling tanks 15 and the heating tanks 16 are circumferentially and interval ly arranged on the top surface of the quenching table 1. Moreover, the cooling tank 15 and the heating tank 16 are both circular arc-shaped tanks, so that the moving length of the three-rib drill rod 4 in the cooling tank 15 and the heating tank 16 can be effectively prolonged, and the three-rib drill rod 4 can avoid bumping into the edge of the cooling tank 15 and the heating tank 16 when rotating downward and extending or moving upward.

[0027] The cooling tank 15 is provided with cooling liquid, and the cooling tank 15 is connected to the cooling liquid supply device 2 through the liquid inlet pipe 12 and the liquid outlet pipe 13. The cooling liquid supply device 2 can enter the cooling tank 15 through the liquid inlet pipe 12, and then flow back to the cooling liquid supply device 2 through the liquid outlet pipe 13, so as to complete the circulation and supply of the cooling liquid. The quenching coil 3 is arranged in the heating tank 16, and the quenching coil 3 is spirally arranged around the inner wall of the heating tank 16, so as to effectively heat the three-rib drill rod 4.

[0028] When the utility model is used, the three-edge drill rod 4 is fixedly installed below the lifting rotary plate 5 through the clamping piece 51, after the telescopic cylinder 7 is started, the lifting rotary plate 5 can be driven to descend and rotate through the vertical rod 6, and the spring 62 is compressed, after the three-edge drill rod 4 is placed in the cooling groove 15 and the heating groove 16 for a period of time, the telescopic cylinder 7 is contracted upwards, under the elastic force of the spring 62, the three-edge drill rod 4 is driven upwards to reset by the vertical rod 6, the lifting rotary plate 5 and the like, then the telescopic cylinder 7 is started again, the three-edge drill rod 4 is driven to descend and rotate again by the lifting rotary plate 5 to the cooling groove 15 or the heating groove 16 of the adjacent work station, so that the three-edge drill rod 4 after heating is cooled and quenched, the above operation is repeatedly carried out, and the rapid quenching operation of the three-edge drill rod 4 can be completed.

[0029] Obviously, the above-described embodiments are only some embodiments of the present application, not all the embodiments, the preferred embodiments of the present application are given in the drawings, but do not limit the patent scope of the present application. The present application can be realized in many different forms, and conversely, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive. Although the present application is described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing specific embodiments, or equivalently replace some technical features. Any equivalent structure made by using the content of the specification and drawings, directly or indirectly used in other related technical fields, is also within the scope of the patent protection of the present application.

Claims

1. A reinforced three-fluted drill pipe heat treatment quenching device, comprising a quenching table and a quenching coil, characterized in that: The lifting rotary plate is vertically fixed with a vertical rod at the center, and the vertical rod is connected with a lifting rotary assembly above; a plurality of clamping pieces for fixing the three-prong drill rod are arranged in the circumferential direction of the vertical rod below the lifting rotary plate; the lifting rotary assembly comprises a telescopic cylinder, a sleeve and a spring, the sleeve is vertically fixed on the quenching table by a support, a continuous inclined broken line-shaped guide groove is formed in the circumferential inner wall of the sleeve; the vertical rod is movably sleeved in the sleeve, a guide rod is fixed on the vertical rod, and the guide rod is matched with the guide groove; the spring is sleeved on the upper end of the vertical rod outside the sleeve, and the ends of the spring are respectively abutted against the sleeve and the upper end of the vertical rod; the telescopic cylinder is vertically fixed on the support, and the piston rod thereof is downwardly abutted against the upper end of the vertical rod; a plurality of cooling grooves and heating grooves matched with the three-prong drill rod are formed in the upper surface of the quenching table, cooling liquid is arranged in the cooling grooves, and the quenching coil is arranged in the heating grooves.

2. The reinforced triangular drill rod heat treatment quenching device according to claim 1, characterized in that: The cooling grooves and the heating grooves are arranged in the circumferential direction of the vertical rod extension line on the top surface of the quenching table.

3. The reinforced triangular drill pipe quenching device of claim 1, wherein: The cooling grooves and the heating grooves are circular arc grooves.

4. The reinforced triangular drill rod heat treatment quenching device of claim 1, wherein: A limiting plate is horizontally arranged on the upper end of the vertical rod, and the upper end of the spring is abutted against the limiting plate.

5. The reinforced triangular drill rod heat treatment quenching device of claim 4, wherein: The limiting plate is horizontally rotatably installed on the vertical rod.

6. The reinforced triangular drill rod heat treatment quenching device of claim 1, wherein: A abutting block is horizontally rotatably installed on the top end of the vertical rod, and the piston rod of the telescopic cylinder is abutted against the abutting block.

7. The reinforced triangular drill rod heat treatment quenching device of claim 1, wherein: The clamping piece is a cylinder clamping jaw.

8. The reinforced triangular drill rod heat treatment quenching device of claim 1, wherein: The quenching coil is spirally arranged around the inner wall of the heating groove.

9. The reinforced triangular drill rod heat treatment quenching device of claim 1, wherein: The cooling grooves are connected with a cooling liquid supply device through inlet pipes and outlet pipes.

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