Supporting device and boring machine

Abstract

The utility model discloses a supporting device which comprises a boring machine body and a supporting portion, the boring machine body is provided with a sliding frame arranged on the top of the boring machine body, a cutter bar arranged on the side face of the sliding frame, a fixing frame arranged on the top of the boring machine body and a boring cutter arranged on the side face of the cutter bar, and the supporting portion is arranged on the cutter bar. The supporting part is provided with a fixed ring a connected with the cutter bar, a plurality of curved bars a rotatably arranged around the fixed ring a, a roller rotatably connected with the tail ends of the curved bars a, a sliding ring slidably connected with the cutter bar and a plurality of curved bars b rotatably arranged around the sliding ring, and the tail ends of the curved bars b are rotatably connected with the roller. By arranging the supporting part, the curved bar a and the curved bar b can be driven to rotate at the same time through sliding displacement of the sliding ring along the cutter bar, so that the idler wheels rotationally connected with the curved bar a and the curved bar b can abut against the inner wall of a workpiece, it is guaranteed that the cutter bar is supported when located in the workpiece, and the stability of the cutter bar is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of boring machines, in particular to a supporting device and a boring machine. Background Technique

[0002] A boring machine refers to a machine tool mainly used to bore prefabricated holes of a workpiece. Usually, the rotation of the boring tool is the main movement, and the movement of the boring tool or the workpiece is the feed movement. Different tools and accessories can also be used for drilling, milling and cutting. The machining accuracy and surface quality are higher than those of a drilling machine. The boring machine is the main equipment for machining large box parts. First, the discharge door of the mixer is hoisted and placed on the first set of tooling on the boring machine for clamping and positioning. When the boring machine performs deep hole machining on a metal column, usually after the workpiece to be machined is fixed by a clamping bracket, the sliding bracket moves to drive the tool bar fixed on the sliding bracket to extend into the hole of the workpiece, and the inner wall of the workpiece is machined by the boring tool installed on the tool bar.

[0003] When the existing boring machine processes a workpiece, as the depth of the tool bar extending into the inside of the pipe material becomes deeper and deeper, since the tool bar is suspended and there is no contact with the inner wall of the workpiece, the boring tool will shake, affecting the machining accuracy of the workpiece. Content of the Utility Model

[0004] The purpose of the utility model is to provide a supporting device and a boring machine to solve the problem that when the existing boring machine processes a workpiece, as the depth of the tool bar extending into the inside of the pipe material becomes deeper and deeper, since the tool bar is suspended and there is no contact with the inner wall of the workpiece, the boring tool will shake, affecting the machining accuracy of the workpiece as mentioned in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: A supporting device, including a boring machine body and a supporting part:

[0006] The boring machine body has a sliding bracket arranged on the top of the boring machine body, a tool bar arranged on the side of the sliding bracket, a fixed bracket arranged on the top of the boring machine body, a boring tool arranged on the side of the tool bar, and a clamping bracket arranged on the top of the boring machine body. The clamping bracket clamps a workpiece. The tool bar passes through the fixed bracket and is slidably connected thereto. The supporting part is arranged on the tool bar. The supporting part has a fixed ring a connected to the tool bar, a plurality of curved bars a rotatably arranged around the fixed ring a, a roller rotatably connected to the end of the curved bar a, a sliding ring slidably connected to the tool bar, and a plurality of curved bars b rotatably arranged around the sliding ring. The end of the curved bar b is rotatably connected to the roller. The sliding of the sliding ring drives the rotation of the curved bar a and the curved bar b so that the roller abuts against the inner wall of the workpiece, improving the stability of the tool bar.

[0007] By adopting the above technical solution, the sliding displacement of the sliding ring along the tool bar can drive the curved bar a and the curved bar b to rotate simultaneously, so that the rollers rotatably connected to the curved bar a and the curved bar b can abut against the inner wall of the workpiece, thereby ensuring that there is a support when the tool bar is inside the workpiece and improving the stability of the tool bar.

[0008] Preferably, the support portion further has a gasket disposed on the side surface of the curved bar a, and the gasket is made of polyethylene.

[0009] By adopting the above technical solution, when the gasket contacts the workpiece, scratches on the workpiece can be avoided.

[0010] Preferably, there are six curved bars a, the front end of each curved bar a is rotatably connected to the same fixed ring a, and a roller is rotatably provided at the end of each curved bar a.

[0011] By adopting the above technical solution, the curved bar a can rotate around the fixed ring a to change the angle.

[0012] Preferably, there are six curved bars b, and the front end of each curved bar b is rotatably connected to the same sliding ring.

[0013] By adopting the above technical solution, the curved bar b can rotate around the sliding ring to change the angle.

[0014] Preferably, the support portion further has a fixed ring b nested on the tool bar and a spring disposed on the side surface of the fixed ring b, and the spring is located between the fixed ring b and the sliding ring.

[0015] By adopting the above technical solution, the elastic force provided by the spring can be used to push the sliding ring to slide.

[0016] A boring machine includes the support device described in any one of the above, and the boring machine further includes an adjustment portion:

[0017] The adjustment portion is provided on the top of the boring machine body. The adjustment portion has an adjustment frame provided on the top of the boring machine body, a bidirectional lead screw rotatably provided inside the adjustment frame, a slider threadedly connected to the bidirectional lead screw, a transmission rod rotatably provided on the top of the slider, a lifting frame slidably provided inside the adjustment frame, and a pulley provided on the top of the lifting frame. The bottom of the lifting frame is rotatably connected to the curved bar b. The rotation of the bidirectional lead screw drives the slider to move to drive the transmission rod to rotate and drive the lifting frame to move up and down;

[0018] By adopting the above technical solution, the rotation of the bidirectional lead screw can drive the slider to displace, so that the transmission rod on the top of the slider rotates and drives the lifting frame to displace up and down.

[0019] Preferably, there are two such sliders, both of which are slidably connected to the same adjustment frame and are threadedly connected to the same bidirectional lead screw. One end of the bidirectional lead screw extends to the outside of the adjustment frame and is provided with a turning handle.

[0020] By adopting the above technical solution, the bidirectional lead screw can be rotated by turning the turning handle, so that the two sliders slide and displace inside the adjustment frame.

[0021] Preferably, there are two such pulleys, both of which are in contact with the workpiece clamped on the clamping frame.

[0022] By adopting the above technical solution, a support can be provided during the rotation of the workpiece.

[0023] Compared with the prior art, the beneficial effect of the present utility model is that by providing a support portion, the sliding displacement of the sliding ring along the tool bar can drive the rotation of the curved lever a and the curved lever b at the same time, so that the rollers rotatably connected to the curved lever a and the curved lever b can be in contact with the inner wall of the workpiece, thereby ensuring a support when the tool bar is inside the workpiece and improving the stability of the tool bar. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 is a schematic diagram of the overall structure of the present application;

[0025] Figure 2 is a schematic diagram of the overall front sectional structure of the present application;

[0026] Figure 3 is a schematic diagram of the overall side sectional structure of the present application;

[0027] Figure 4 is a schematic diagram of the connection structure between the support portion and the tool bar of the present application;

[0028] Figure 5 is a schematic diagram of the sectional structure of the adjustment portion of the present application.

[0029] In the figure: 1, boring machine body; 101, sliding frame; 102, fixed frame; 103, tool bar; 104, clamping frame; 105, boring tool; 2, support portion; 201, fixed ring a; 202, curved lever a; 203, gasket; 204, roller; 205, curved lever b; 206, sliding ring; 207, spring; 208, fixed ring b; 3, adjustment portion; 301, adjustment frame; 302, bidirectional lead screw; 303, slider; 304, transmission rod; 305, lifting frame; 306, pulley. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0030] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0031] Embodiment 1

[0032] Please refer to Figure 1 、 Figure 2 and Figure 3 The present invention provides a technical solution: a support device, including a boring machine body 1 and a support part 2:

[0033] A sliding frame 101 is provided on the top of the boring machine body 1. The sliding frame 101 is provided with a power source and can slide and displace on the top of the boring machine body 1. A tool bar 103 is provided on the side of the sliding frame 101. The tool bar 103 passes through the fixed frame 102 and is slidably connected thereto. The fixed frame 102 is fixed to the top of the boring machine body 1 by bolts. A boring tool 105 is provided on the side of the tool bar 103. A clamping frame 104 is provided on the top of the boring machine body 1. The clamping frame 104 clamps a workpiece. The clamping frame 104 is provided with a power source and can drive the workpiece to rotate. The support part 2 is provided on the tool bar 103. The support part 2 has a fixed ring a201 connected to the tool bar 103, several curved rods a202 rotatably arranged around the fixed ring a201, a roller 204 rotatably connected to the end of the curved rod a202, a sliding ring 206 slidably connected to the tool bar 103, and several curved rods b205 rotatably arranged around the sliding ring 206. The end of the curved rod b205 is rotatably connected to the roller 204. By the sliding displacement of the sliding ring 206 along the tool bar 103, the curved rod a202 and the curved rod b205 can be driven to rotate simultaneously, so that the roller 204 rotatably connected to the curved rod a202 and the curved rod b205 can abut against the inner wall of the workpiece, thereby ensuring that there is a support when the tool bar 103 is inside the workpiece.

[0034] Embodiment 2

[0035] Please refer to Figure 2 、 Figure 3 and Figure 4 The present invention provides a technical solution: a support device, including a support part 2, a curved rod a202, and a curved rod b205;

[0036] The fixed ring a201 and the fixed ring b208 are fixed on the tool shank 103 by bolts. The sliding ring 206 is located between the fixed ring a201 and the fixed ring b208. A gasket 203 is provided on the side of the curved rod a202. The gasket 203 is made of polyethylene, which can avoid scratching the workpiece when the gasket 203 contacts the workpiece. There are six curved rods a202. The front end of each curved rod a202 is rotatably connected to the same fixed ring a201. A roller 204 is rotatably provided at the end of each curved rod a202, which can allow the curved rod a202 to rotate around the fixed ring a201 to change the angle. There are six curved rods b205. The front end of each curved rod b205 is rotatably connected to the same sliding ring 206, which can allow the curved rod b205 to rotate around the sliding ring 206 to change the angle. A spring 207 is provided on the side of the fixed ring b208. The spring 207 is located between the fixed ring b208 and the sliding ring 206. Without external force, the elastic force provided by the spring 207 can be used to push the sliding ring 206 to slide and displace, so that the curved rod a202 and the curved rod b205 rotate. When the tool shank 103 enters the workpiece, the gasket 203 touches the workpiece. Under the push of the workpiece, the curved rod a202 rotates and drives the curved rod b205 to rotate. When the curved rod b205 rotates, it pushes the sliding ring 206, so that the spring 207 is in a state of storing energy, so that the roller 204 can abut against the inner wall of the workpiece, ensuring that there is a support when the tool shank 103 is inside the workpiece and improving the stability of the tool shank 103

[0037] Embodiment III

[0038] Please refer to Figure 2 、 Figure 3 and Figure 5 and , the present utility model provides a technical solution: a support device, including an adjustment part 3, an adjustment frame 301 and a lifting frame 305;

[0039] The adjustment part 3 is arranged on the top of the boring machine body 1. The adjustment part 3 has an adjustment frame 301 arranged on the top of the boring machine body 1, a bidirectional lead screw 302 rotatably arranged inside the adjustment frame 301, a slider 303 threadedly connected to the bidirectional lead screw 302, a transmission rod 304 rotatably arranged on the top of the slider 303, a lifting frame 305 slidably arranged inside the adjustment frame 301, and a pulley 306 arranged on the top of the lifting frame 305. The bottom of the lifting frame 305 is rotatably connected to the curved rod b205. By rotating the bidirectional lead screw 302, the slider 303 is driven to displace, so that the transmission rod 304 on the top of the slider 303 rotates and drives the lifting frame 305 to move up and down. There are two sliders 303, and both of the two sliders 303 are slidably connected to the same adjustment frame 301 and threadedly connected to the same bidirectional lead screw 302. One end of the bidirectional lead screw 302 extends to the outside of the adjustment frame 301 and is provided with a turning handle. The bidirectional lead screw 302 can be driven to rotate by turning the turning handle, so that the two sliders 303 slide and displace inside the adjustment frame 301. There are two pulleys 306, and both of the two pulleys 306 are abutted against the workpiece clamped on the clamping frame 104, which can provide a support during the rotation of the workpiece.

[0040] Working principle: First, power on the device. Then, after fixing the workpiece to be machined through the clamping frame 104, by rotating the bidirectional lead screw 302, the slider 303 is driven to displace, so that the transmission rod 304 on the top of the slider 303 rotates and drives the lifting frame 305 to move up and down, making both of the two pulleys 306 on the top of the lifting frame 305 abutted against the workpiece clamped on the clamping frame 104, which can provide a support during the rotation of the workpiece. Then, the sliding frame 101 moves to drive the cutter bar 103 fixed on the sliding frame 101 to extend into the hole of the workpiece, and the inner wall of the workpiece is machined by the boring cutter 105 installed on the cutter bar 103. When the cutter bar 103 enters the workpiece, the gasket 203 touches the workpiece. Under the push of the workpiece, the curved rod a202 rotates and drives the curved rod b205 to rotate. When the curved rod b205 rotates, it pushes the sliding ring 206, making the spring 207 in a state of energy storage, so that the six rollers 204 can abut against the inner wall of the workpiece, ensuring that there is a support when the cutter bar 103 is inside the workpiece and improving the stability of the cutter bar 103.

[0041] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A supporting device, characterized in that: include: The boring machine body comprises a sliding frame arranged on the top of the boring machine body, a tool bar arranged on the side of the sliding frame, a fixed frame arranged on the top of the boring machine body, a boring tool arranged on the side of the tool bar and a clamping frame arranged on the top of the boring machine body, the clamping frame clamps the workpiece, and the tool bar passes through the fixed frame and is slidably connected with the fixed frame; A support portion is arranged on the tool rod, and the support portion comprises a fixed ring a connected to the tool rod, a plurality of curved rods a rotatably arranged around the fixed ring a, a roller rotatably connected to the end of the curved rod a, a sliding ring slidably connected to the tool rod, and a plurality of curved rods b rotatably arranged around the sliding ring, the end of the curved rod b is rotatably connected to the roller, and the sliding ring slides to drive the curved rods a and b to rotate so that the roller abuts against the inner wall of the workpiece, thereby improving the stability of the tool rod.

2. A supporting device according to claim 1, characterized in that: The support portion also has a gasket arranged on the side of the curved rod a, and the gasket is made of polyethylene.

3. A supporting device according to claim 1, characterized in that: There are six curved rods a, the front end of each curved rod a is rotatably connected to the same fixed ring a, and the end of each curved rod a is rotatably provided with a roller.

4. A supporting device according to claim 1, characterized in that: There are six bent rods b, and the front end of each bent rod b is rotatably connected to the same sliding ring.

5. A supporting device according to claim 1, characterized in that: The support part also has a fixing ring b nested on the knife rod and a spring arranged on the side of the fixing ring b, and the spring is located between the fixing ring b and the sliding ring.

6. A boring machine, characterized in that: The boring machine comprises the supporting device according to any one of claims 1 to 5, and further comprises: The adjusting part is arranged on the top of the boring machine body. The adjusting part comprises an adjusting frame arranged on the top of the boring machine body, a bidirectional screw rotatably arranged inside the adjusting frame, a slider threadedly connected to the bidirectional screw, a transmission rod rotatably arranged on the top of the slider, a lifting frame slidably arranged inside the adjusting frame and a pulley arranged on the top of the lifting frame. The bottom of the lifting frame is rotatably connected to the curved rod b, and the rotation of the bidirectional screw drives the slider to move to drive the transmission rod to rotate and drive the lifting frame to move up and down.

7. A boring machine according to claim 6, characterized in that: The sliders are provided with two, both of which are slidably connected with the same adjustment frame, and both of which are threadedly connected with the same bidirectional screw rod, one end of which extends to the outside of the adjustment frame and is provided with a rotating handle.

8. A boring machine according to claim 6, characterized in that: The pulley is provided with two pulleys, and both pulleys abut against the workpiece clamped on the clamping frame.

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