A single-arm hydraulic machine for straightening a knife bar

Abstract

The utility model provides a single -arm hydraulic machine for straightening of cutter bar relates to single -arm hydraulic machine technical field, it includes hydraulic oil tank, oil tank support, reciprocating component, base, straightening oil cylinder, straightening wheel, cross laser level and slag collecting hopper, the top of base is installed with oil tank support, the inside installation of oil tank support has hydraulic oil tank, reciprocating component installs in the top of base and is located below oil tank support, be provided with the sliding block in reciprocating component, the bottom installation of sliding block has straightening oil cylinder, the one end away from sliding block of straightening oil cylinder is provided with straightening wheel, cross laser level installs on the base, its emission laser can map on seamless steel tube, through sliding block synchronous drive straightening oil cylinder and straightening wheel reciprocating movement, straightening wheel exerts pressure to seamless steel tube and realizes reciprocating roll on seamless steel tube, until the straightness of seamless steel tube meets the requirement.

Description

Technical Field

[0001] This utility model relates to the field of single-arm hydraulic press technology, and in particular to a single-arm hydraulic press for tool bar straightening. Background Technology

[0002] Gun drills, as an important tool for deep hole machining, work by supplying cutting fluid to the cutting area through the cooling channels inside the tool, while the cutting fluid and chips are discharged through the V-shaped channel formed between the machined hole and the drill rod.

[0003] As a crucial component of gun drills, the straightness of the tool holder directly impacts the quality of the machined hole. Tool holders are typically made from seamless steel pipes. Therefore, a single-arm hydraulic press is used to straighten the steel pipe. However, the loading end of existing single-arm hydraulic presses is fixed, requiring manual adjustment of the steel pipe while simultaneously controlling the press. Furthermore, the straightness of the steel pipe relies on visual inspection, resulting in low straightening accuracy. Utility Model Content

[0004] This invention addresses the problems in the prior art by providing a single-arm hydraulic press for straightening tool holders.

[0005] The technical solution adopted in this utility model is:

[0006] A single-arm hydraulic press for tool bar straightening, comprising:

[0007] The base has an external extension frame installed inside;

[0008] A reciprocating assembly is mounted on the extended frame, and a slider is provided inside the reciprocating assembly;

[0009] A fuel tank bracket is installed above the extended frame;

[0010] A hydraulic oil tank is installed inside the tank bracket;

[0011] A straightening cylinder is installed below the slider;

[0012] A straightening wheel is connected to the end of the straightening cylinder furthest from the slider;

[0013] A cross laser level, mounted on a base, provides a reference for straightening seamless steel pipes.

[0014] Furthermore, the reciprocating component includes:

[0015] The lead screw is rotatably connected to the extended frame;

[0016] A lead screw motor is installed on the outside of the cantilever frame, and its output end is connected to one end of the lead screw;

[0017] The slider is sleeved on the lead screw, and the lead screw motor drives the slider to reciprocate through the lead screw.

[0018] Furthermore, limiting grooves are provided on both side walls of the extended frame along the width direction;

[0019] The slider has sliding ears formed on both sides that cooperate with the limiting groove;

[0020] The sliding ear is slidably connected within the limiting groove.

[0021] Furthermore, a connecting body and a base frame are provided in the base, and the connecting body connects the extended frame to the base frame;

[0022] The extension frame is located above the connector, and the base frame is located below the connector.

[0023] Furthermore, a slag collection trough is provided at the top of the base frame opposite to the extended frame, and the slag collection trough runs through the top and bottom of the base frame;

[0024] The base frame and the extension frame are located on the same side wall with an inlet / outlet slot;

[0025] The inlet / outlet channel is connected to the slag collection channel.

[0026] Furthermore, the slag collection trough is provided with support seats on both sides along its length, and the end of the support seat away from the base frame is provided with a slot to restrict the movement of the seamless steel pipe.

[0027] Furthermore, a plurality of symmetrically arranged adjustable legs are provided below the base frame, and a pad is connected to the end of each adjustable leg away from the base frame; each adjustable leg can be controlled individually.

[0028] Furthermore, it also includes:

[0029] A slag hopper is installed inside the inlet / outlet trough and collects the oxide scale from the seamless steel pipe through the slag trough.

[0030] Furthermore, a handrail is provided on one side wall of the slag collection hopper, and multiple symmetrically distributed rollers are provided at the bottom.

[0031] The beneficial effects of this utility model are:

[0032] A straightening cylinder is installed at the bottom of the slider, and a straightening wheel is installed at the telescopic end of the straightening cylinder. The lead screw motor drives the slider and the straightening cylinder to move back and forth through the lead screw, which in turn drives the straightening wheel to perform reciprocating rolling on the seamless steel pipe until the straightness of the seamless steel pipe meets the requirements. A cross laser level is installed on the machine base. The cross laser level emits a straightening laser to provide a reference for the straightening of the seamless steel pipe, assisting the straightening cylinder and the straightening wheel in straightening the seamless steel pipe so that the straightness of the seamless steel pipe meets the processing requirements. Attached Figure Description

[0033] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0034] Figure 1 This is a three-dimensional structural diagram of the single-arm hydraulic press of this utility model.

[0035] Figure 2 for Figure 1 Another perspective view of the three-dimensional structure of a single-arm hydraulic press.

[0036] Figure 3 This is a three-dimensional structural diagram of the oil tank support in a single-arm hydraulic press.

[0037] Figure 4 This is a three-dimensional structural diagram of the reciprocating component in a single-arm hydraulic press.

[0038] Figure 5 This is a three-dimensional structural diagram of the base of a single-arm hydraulic press.

[0039] Figure 6 This is a three-dimensional structural diagram of the slag collection hopper in a single-arm hydraulic press.

[0040] Marked in the image:

[0041] 1. Hydraulic oil tank;

[0042] 2. Fuel tank bracket; 21. Column; 22. Bracket body; 23. Cross reinforcing rib; 24. Limiter;

[0043] 3. Reciprocating assembly; 31. Lead screw; 32. Slider; 321. Sliding lug; 33. Lead screw motor;

[0044] 4. Base; 41. Extended frame; 411. Limiting slide groove; 412. Lead screw hole; 42. Connecting body; 43. Base frame; 431. Support seat; 4311. Bayonet; 432. Slag collection trough; 433. Inlet / outlet trough; 434. Adjustable support leg; 435. Pad plate;

[0045] 5. Straighten the hydraulic cylinder;

[0046] 6. Straightening wheel;

[0047] 7. Seamless steel pipes;

[0048] 8. Cross laser level;

[0049] 9. Slag hopper; 91. Slag box; 92. Handrail; 93. Roller shaft; 94. Roller. Detailed Implementation

[0050] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0051] The following disclosure provides many different embodiments or examples for implementing various structures of this invention. To simplify the disclosure, specific examples of components and arrangements are described below. Of course, these are merely examples and are not intended to limit the scope of this invention.

[0052] The embodiments of the utility model will now be described in detail with reference to the accompanying drawings.

[0053] This embodiment provides a single-arm hydraulic press for tool bar straightening, referencing... Figure 1 and Figure 2 It includes a hydraulic oil tank 1, an oil tank bracket 2, a reciprocating assembly 3, a machine base 4, a straightening cylinder 5, a straightening wheel 6, a cross laser level 8, and a slag collection hopper 9.

[0054] An oil tank bracket 2 is mounted on the top of the machine base 4, and a hydraulic oil tank 1 is installed inside the oil tank bracket 2. A reciprocating assembly 3 is mounted on the top of the machine base 4 and located below the oil tank bracket 2. A slider 32 is provided in the reciprocating assembly 3, and a straightening cylinder 5 is mounted at the bottom of the slider 32. The hydraulic oil tank 1 provides hydraulic oil to the straightening cylinder 5. A straightening wheel 6 is mounted on the telescopic end of the straightening cylinder 5. Through the coordinated action of the straightening cylinder 5 and the straightening wheel 6, the seamless steel pipe 7 used to manufacture the tool holder is straightened.

[0055] A cross-shaped laser level 8 is mounted on the base 4, and the laser emitted by it is projected onto the seamless steel pipe 7. The straightness of the seamless steel pipe 7 is determined by comparing it with the emitted laser. Since the seamless steel pipe 7 is exposed to air, oxide scale will form on its surface. Therefore, a slag hopper 9 is also provided at the bottom of the base 4 to collect the oxide scale that falls off the seamless steel pipe 7 during the straightening process.

[0056] The three-dimensional structure of base 4 is as follows Figure 5 As shown, the base 4 mainly consists of an extension frame 41, a connecting body 42, and a base frame 43. The connecting body 42 connects the extension frame 41 and the base frame 43. The extension frame 41 is located on top of the connecting body 42 and extends outward a certain distance from the side wall of the connecting body 42. Lead screw holes 412 are respectively provided on the two side walls of the extension frame 41 along its length direction, and limit grooves 411 are respectively machined on the two side walls of the extension frame 41 along its width direction.

[0057] The reciprocating assembly 3 is installed on the cantilever frame 41. The reciprocating assembly 3 is constructed as follows: Figure 4 As shown. The reciprocating assembly 3 consists of a lead screw 31, a slider 32, and a lead screw motor 33. The lead screw 31 passes through the lead screw hole 412 and is rotatably connected to the extension frame 41. The output end of the lead screw motor 33 is fixedly connected to one end of the lead screw 31 and installed on one end of the outer side of the extension frame 41. The slider 32 has a threaded hole that mates with the lead screw 31. The threaded hole passes through the front and rear side walls of the slider 32, and the slider 32 is fitted onto the lead screw 31. Sliding ears 321 are formed on the left and right side walls of the slider 32. The size of the sliding ears 321 matches the size of the limiting groove 411, so the sliding ears 321 are installed in the limiting groove 411.

[0058] The lead screw motor 33 drives the lead screw 31 to rotate. The lead screw 31 and the slider 32 are driven by a thread. Thus, the sliding ear 321 slides in the limiting groove 411, and the slider 32 moves in the length direction of the extension frame 41. The reciprocating movement of the slider 32 is achieved by the forward and reverse rotation of the lead screw motor 33.

[0059] The base frame 43 of the machine base 4 is located below the extended frame 41 and connected to the connecting body 42. A slag collection trough 432 is machined on the top of the base frame 43 at a position opposite to the extended frame 41, and the slag collection trough 432 extends through the bottom of the base frame 43. An inlet / outlet groove 433 is machined on the side wall of the base frame 43 away from the connecting body 42, and the inlet / outlet groove 433 is located on the same side as the extended frame 41. The slag collection trough 432 and the inlet / outlet groove 433 are interconnected. The slag collection trough 432 is used to collect the oxide scale that falls off the seamless steel pipe 7 during straightening, and the inlet / outlet groove 433 is used for the installation of the slag collection hopper 9.

[0060] Support seats 431 are formed on both sides of the top of the base frame 43 along the length of the extension frame 41. A slot 4311 is provided at the end of the support seat 431 facing the extension frame 41. During straightening, both ends of the seamless steel pipe 7 are placed in the slots 4311 of the support seats 431. Four adjustable legs 434 are provided at the bottom of the base frame 43. Each adjustable leg 434 has a telescopic end and can be adjusted independently. A pad 435 is welded to the telescopic end of each adjustable leg 434. Therefore, when the machine base 4 is on uneven ground, leveling can be achieved by individually controlling each adjustable leg 434, ensuring that the single-arm hydraulic press remains horizontal when straightening the seamless steel pipe 7.

[0061] The fuel tank bracket 2 is mounted on the top of the base 4, and its three-dimensional structure is as follows: Figure 3 As shown. The oil tank bracket 2 consists of columns 21, a bracket body 22, cross-shaped reinforcing ribs 23, and limiters 24. The bracket body 22 has a rectangular frame structure, with cross-shaped reinforcing ribs 23 connected internally to enhance the structural strength of the bracket body 22. Four columns 21 are formed at the bottom of the bracket body 22, symmetrically distributed around the bracket body 22. Four limiters 24 are formed at the top of the bracket body 22, symmetrically distributed around the bracket body 22. The limiters 24 are L-shaped and engage with the four corners of the hydraulic oil tank 1, thereby fixing the hydraulic oil tank 1 to the oil tank bracket 2.

[0062] A slag collection hopper 9 is also installed in the inlet / outlet slot 433 at the bottom of the base 4, such as Figure 6 As shown, the slag collection hopper 9 includes a slag collection box 91, a handle 92, roller shafts 93, and rollers 94. The slag collection box 91 is an open-topped box-shaped structure. A handle 92 is provided on one side wall in the width direction. Four roller shafts 93 are symmetrically arranged at the bottom of the slag collection box 91. The end of each roller shaft 93 away from the slag collection box 91 is connected to a roller 94 by a pin. Thus, the slag collection hopper 9 is pushed into the inlet / outlet groove 433 on the machine base 4 by the handle 92, and the slag collection box 91 collects the oxide scale of the seamless steel pipe 7 through the slag collection groove 432.

[0063] like Figure 1As shown, a cross laser level 8 is also installed on the base 4. The cross laser level 8 is installed on the top right side of the base frame 43 and adjacent to the support base 431. The cross laser level 8 is parallel to the support base 431 and parallel to the seamless steel pipe 7, and the laser emitted by the cross laser level 8 is cross-shaped. Therefore, the laser emitted by the cross laser level 8 can be projected onto the seamless steel pipe 7. A straightening cylinder 5 is installed at the bottom of the slider 32. A straightening wheel 6 is installed at the end of the slider 32 away from the telescopic end of the extension frame 41. The side wall of the straightening wheel 6 is machined into an arc shape to facilitate fitting the surface of the seamless steel pipe 7. A hydraulic pump (not shown in the figure) is installed on the outside of the hydraulic oil tank 1 at the top of the extension frame 41. The hydraulic pump pumps the hydraulic oil in the hydraulic oil tank 1 into the straightening cylinder 5, thereby driving the straightening cylinder 5 to apply pressure to the seamless steel pipe 7.

[0064] The working principle of a single-arm hydraulic press for tool bar straightening is as follows:

[0065] First, adjust the single-arm hydraulic press to a horizontal position using the adjustable support legs 434 at the bottom of the base 4. Place the cut seamless steel pipe 7 into the bayonet 4311 of the support base 431. Then, turn on the external power supply of the single-arm hydraulic press. The hydraulic pump pumps the hydraulic oil in the hydraulic oil tank 1 into the straightening cylinder 5, driving the extension end of the straightening cylinder 5 to move downward. At the same time, it drives the straightening wheel 6 to move downward. The side wall of the straightening wheel 6 is in contact with the surface of the seamless steel pipe 7 and applies pressure to the seamless steel pipe 7.

[0066] Subsequently, the lead screw motor 33 and the cross laser level 8 are activated. The cross laser level 8 emits laser light that projects onto the surface of the seamless steel pipe 7, providing a reference for straightening the seamless steel pipe 7. The output end of the lead screw motor 33 drives the lead screw 31 to rotate. The lead screw 31 is threadedly connected to the slider 32. Thus, the lead screw motor 33 drives the slider 32 to move away from the lead screw motor 33 within the extension frame 41, simultaneously driving the straightening cylinder 5 installed at the bottom of the slider 32 to move. Therefore, the straightening cylinder 5 applies pressure to the seamless steel pipe 7 through the straightening wheel 6, and at the same time, the straightening cylinder 5 also drives the straightening wheel 6 to move on the seamless steel pipe 7. The lead screw motor 33 reverses, driving the lead screw 31 to rotate in the opposite direction. The slider 32 then moves from the end away from the lead screw motor 33 towards the lead screw motor 33 within the extension frame 41, thereby simultaneously driving the straightening cylinder 5 and the straightening wheel 6 to move. Through the forward and reverse rotation of the lead screw motor 33, the straightening wheel 6 performs reciprocating roll straightening of the seamless steel pipe 7.

[0067] When the straightening wheel 6 straightens the seamless steel pipe 7, the oxide scale that falls off the seamless steel pipe 7 falls into the slag collection hopper 9 through the slag collection trough 432. The worker uses the handrail 92 on the slag collection hopper 9 to pull the slag collection hopper 9 out of the inlet and outlet groove 433 of the machine base 4, and with the help of the roller 94 at the bottom of the slag collection hopper 9, the oxide scale in the slag collection hopper 9 is transported to the waste area.

[0068] The above embodiments are merely a more detailed description of the present utility model. For those skilled in the art, modifications or equivalent substitutions can still be made to the technical solutions in the foregoing embodiments. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model patent.

Claims

1. A single-arm hydraulic press for tool bar straightening, characterized in that, include: The base (4) has an extension frame (41) inside it. A reciprocating assembly (3) is mounted on the extension frame (41), and a slider (32) is provided inside the reciprocating assembly (3). The fuel tank bracket (2) is installed above the extension frame (41); A hydraulic oil tank (1) is installed inside the oil tank bracket (2); A straightening cylinder (5) is installed below the slider (32); A straightening wheel (6) is connected to the end of the straightening cylinder (5) away from the slider (32); A cross laser level (8) is mounted on a base (4) to provide a reference for the straightening of seamless steel pipes.

2. The single-arm hydraulic press according to claim 1, characterized in that, The reciprocating component (3) includes: The lead screw (31) is rotatably connected to the extension frame (41); A lead screw motor (33) is installed on the outside of the extension frame (41), and its output end is connected to one end of the lead screw (31); The lead screw (31) is fitted with the slider (32), and the lead screw motor (33) drives the slider (32) to reciprocate through the lead screw (31).

3. The single-arm hydraulic press according to claim 2, characterized in that: The extension frame (41) has limit grooves (411) on both sides of the width direction. The slider (32) has sliding ears (321) formed on both sides that cooperate with the limiting groove (411). The sliding ear (321) is slidably connected to the limiting groove (411).

4. The single-arm hydraulic press according to claim 1, characterized in that: The base (4) is provided with a connector (42) and a base frame (43), and the connector (42) connects the extension frame (41) to the base frame (43); The extension frame (41) is located above the connector (42), and the base frame (43) is located below the connector (42).

5. The single-arm hydraulic press according to claim 4, characterized in that: A slag collection trough (432) is provided at the top of the base frame (43) opposite to the extension frame (41), and the slag collection trough (432) passes through the top and bottom of the base frame (43); The base frame (43) and the extension frame (41) are provided with an inlet / outlet slot (433) on the side wall on the same side. The inlet / outlet channel (433) is connected to the slag collection channel (432).

6. The single-arm hydraulic press according to claim 5, characterized in that: The slag collection trough (432) is provided with support seats (431) on both sides along the length direction. The support seat (431) has a slot (4311) at the end away from the base frame (43) to restrict the movement of the seamless steel pipe.

7. The single-arm hydraulic press according to claim 6, characterized in that: The base frame (43) is provided with a plurality of symmetrically arranged adjustable legs (434), and each adjustable leg (434) is connected to a pad (435) at the end away from the base frame (43); each adjustable leg (434) can be controlled individually.

8. The single-arm hydraulic press according to claim 5, characterized in that, Also includes: The slag collection hopper (9) is installed in the inlet / outlet trough (433) and collects the oxide scale of the seamless steel pipe through the slag collection trough (432).

9. The single-arm hydraulic press according to claim 8, characterized in that: The slag collection hopper (9) has a handrail (92) on one side wall and multiple rollers (94) symmetrically distributed at the bottom.

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