CN117718511A - Numerical control machining center deep hole processingequipment with adjustable pressure - Google Patents

Abstract

The invention provides a pressure-adjustable numerical control machining center deep hole machining device, which relates to the technical field of deep hole machining and comprises a deep hole machining machine tool, wherein a fixed support frame is fixedly connected to the bottom of the deep hole machining machine tool, two parallel guide rails are fixedly connected to the top of the deep hole machining machine tool, a rotary cutting mechanism, a limiting mechanism and a clamping mechanism are sequentially arranged on the guide rails from left to right, a workpiece is detachably connected in the clamping mechanism, a positioning mechanism is arranged on the rear side of the guide rails, a supporting assembly is arranged on the limiting mechanism, the clamping diameter is adjusted and the clamping force is controlled by expanding or contracting a hollow chuck through the clamping mechanism, the pressure of a gun drill to the workpiece can be flexibly controlled by arranging the supporting assembly and adjusting the supporting force of a supporting sleeve through rotation of a screw rod, so that the pressure adjustment of the deep hole machining device can be realized to adapt to different machining requirements, and the flexibility and the applicability of machining are improved.

Description

Numerical control machining center deep hole processingequipment with adjustable pressure

Technical Field

The invention relates to the technical field of deep hole machining, in particular to a numerical control machining center deep hole machining device with adjustable pressure.

Background

The numerical control machining center is an automatic machining device, various machining operations can be automatically completed through a preset program, the numerical control machining center deep hole machining device is a device for machining deep holes on the numerical control machining center, deep hole machining refers to a machining process of machining workpiece holes with the length far greater than the diameter, the device generally comprises a guide system, a cooling system, a cutting tool and a necessary fixture, and on the numerical control machining center, the deep hole machining device can achieve deep hole machining with high precision and high efficiency and is generally used in a complex workpiece manufacturing process requiring deep hole machining.

The prior art has the following defects: in the prior art, in the processing process, especially when processing different deep hole processing technologies, accurate adjustment of pressure cannot be realized, which not only negatively affects the processing quality and reduces the product qualification rate, but also causes low working efficiency and increases the production cost, and meanwhile, due to the limitation of pressure adjustment, the flexibility and the applicability of the deep hole processing device are also greatly affected, so that the design of the numerical control processing center deep hole processing device with adjustable pressure is needed.

Disclosure of Invention

The invention aims to solve the problems that when different deep hole machining processes are processed, accurate adjustment of pressure cannot be realized, machining quality is affected, product qualification rate is reduced, working efficiency is low, and production cost is high.

In order to solve the technical problems, the invention provides a pressure-adjustable numerical control machining center deep hole machining device, which comprises a deep hole machining machine tool, wherein the bottom of the deep hole machining machine tool is fixedly connected with a fixed support frame, the top of the deep hole machining machine tool is fixedly connected with two parallel guide rails, a rotary cutting mechanism, a limiting mechanism and a clamping mechanism are sequentially arranged on the guide rails from left to right, a workpiece is detachably connected in the clamping mechanism, the rear side of the guide rails is provided with a positioning mechanism, and the limiting mechanism is provided with a supporting component.

Preferably, the rotary cutting mechanism comprises first bearing seats, first screw rods and servo motors, wherein the first bearing seats are arranged in two, the first screw rods are connected between the first bearing seats in a rotating mode, the servo motors are arranged at the left ends of the first screw rods, and the output ends of the servo motors are fixedly connected with the first screw rods.

Preferably, the first screw rod is connected with a first sliding plate in a threaded mode, the first sliding plate is connected to the guide rail in a sliding mode, the first mounting seat is fixedly connected to the top of the first sliding plate, the first mounting seat is fixedly provided with a driving assembly, and the right side of the driving assembly is movably connected with a gun drill bit.

Preferably, the limiting mechanism comprises a limiting plate, guide sleeves and guide rods, the limiting plate is slidably connected to the guide rail, the guide sleeves are fixedly mounted at the central position of the limiting plate, two guide rods which are symmetrically and parallelly arranged are fixedly connected to the limiting plate, the guide rods are slidably connected to the first mounting seat, and two support assemblies are sleeved on the two guide rods.

Preferably, the supporting component comprises a supporting plate, a through hole is formed in the central position of the supporting plate, a supporting sleeve is embedded in the through hole, an adjusting groove is formed in the top of the through hole, a connecting plate is fixedly connected to the top of the adjusting groove, an adjusting screw is connected to the connecting plate in a rotating mode, and the bottom end of the adjusting screw is abutted to the surface of the supporting sleeve.

Preferably, the clamping mechanism comprises two bearing seats, two second screw rods and a hand wheel, wherein the two bearing seats are respectively provided with two second screw rods, the two second screw rods are rotatably connected between the two bearing seats, the right ends of the second screw rods are fixedly connected with the hand wheel, the left side of the hand wheel is provided with an anti-rotation assembly, and the anti-rotation assembly is fixedly connected to the deep hole machining machine tool.

Preferably, the second screw rod is connected with the second sliding plate in a threaded manner, the second sliding plate is connected to the guide rail in a sliding manner, the second sliding plate is fixedly connected with the second mounting seat at the top, the second mounting seat is fixedly provided with a rotating assembly, the output end of the rotating assembly is detachably connected with a workpiece, and the left side of the second mounting seat is provided with a hollow chuck.

Preferably, the positioning mechanism comprises a fixed rod, an inductor and an induction piece, wherein the inductor is fixedly connected to the top of the fixed rod, the induction piece is arranged at the top of the inductor and is matched with the inductor, and the induction piece is fixedly connected to the first sliding plate.

The invention has the technical effects and advantages that:

1. the invention is beneficial to limiting the movement range of the gun drill in the processing process by arranging the limiting mechanism, ensures the processing precision and safety, and the guide sleeve can help ensure that the gun drill is accurately positioned on a workpiece in the processing process.

2. The invention is provided with the clamping mechanism and the positioning mechanism, the clamping force and the clamping diameter are controlled by utilizing the hollow chuck, and the hollow chuck can be expanded or contracted when being subjected to external force so as to adjust the clamping diameter, thereby adapting to workpieces with different diameters.

3. The invention is beneficial to adjusting the pressure in the processing process to ensure the processing stability and quality for workpieces with different diameters and materials by arranging the supporting component, and can flexibly control the pressure of the gun drill on the workpiece by adjusting the supporting force of the supporting sleeve through the rotation of the screw so as to adapt to different processing requirements, realize the pressure adjustment of a deep hole processing device, improve the processing flexibility and applicability, effectively reduce the vibration generated in the cutting process, be beneficial to optimizing the processing quality and the service life of tools and reduce the processing noise.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present invention.

Fig. 2 is a schematic structural diagram of another view of the present invention.

Fig. 3 is an enlarged schematic view of the structure at a in fig. 2.

Fig. 4 is a schematic structural view of a rotary cutting mechanism according to the present invention.

Fig. 5 is a schematic structural view of a limiting mechanism in the present invention.

Fig. 6 is a schematic structural view of a positioning mechanism in the present invention.

The reference numerals are: 1. deep hole processing machine tool; 2. fixing the supporting frame; 3. a guide rail; 4. a rotary cutting mechanism; 401. a first bearing seat; 402. a first screw rod; 403. a servo motor; 404. a first sliding plate; 405. a first mounting seat; 406. a drive assembly; 407. gun drill; 5. a limiting mechanism; 501. a limiting plate; 502. a guide sleeve; 503. a guide rod; 6. a clamping mechanism; 601. a second bearing seat; 602. a second screw rod; 603. a hand wheel; 604. a second slide plate; 605. a second mounting seat; 606. a rotating assembly; 607. a hollow chuck; 7. a workpiece; 8. a positioning mechanism; 801. a fixed rod; 802. an inductor; 803. an induction piece; 9. a support assembly; 901. a support plate; 902. a through hole; 903. a support sleeve; 904. an adjustment tank; 905. a connecting plate; 906. adjusting a screw; 10. and an anti-rotation component.

Detailed Description

The invention provides a pressure-adjustable numerical control machining center deep hole machining device, which comprises a deep hole machining machine tool 1, wherein the bottom of the deep hole machining machine tool 1 is fixedly connected with a fixed support frame 2, the top of the deep hole machining machine tool 1 is fixedly connected with two parallel guide rails 3, a rotary cutting mechanism 4, a limiting mechanism 5 and a clamping mechanism 6 are sequentially arranged on the guide rails 3 from left to right, a workpiece 7 is detachably connected in the clamping mechanism 6, a positioning mechanism 8 is arranged on the rear side of the guide rails 3, and a supporting component 9 is arranged on the limiting mechanism 5.

Further, the rotary cutting mechanism 4 comprises first bearing seats 401, first lead screws 402 and servo motors 403, the first bearing seats 401 are provided with two, the first lead screws 402 are connected between the first bearing seats 401 in a rotating mode, the left ends of the first lead screws 402 are provided with the servo motors 403, output ends of the servo motors 403 are fixedly connected with the first lead screws 402, the servo motors 403 are started, the servo motors 403 are utilized to drive the first lead screws 402 to rotate, the first lead screws 402 rotate to drive the first sliding plates 404 to horizontally move on the guide rails 3, so that gun drills 407 can horizontally and stably move towards the workpieces 7, and stable cutting of the rotary cutting mechanism 4 is guaranteed.

Further, a first sliding plate 404 is connected to the first screw rod 402 in a threaded manner, the first sliding plate 404 is connected to the guide rail 3 in a sliding manner, a first mounting seat 405 is fixedly connected to the top of the first sliding plate 404, a driving component 406 is fixedly mounted on the first mounting seat 405, a gun drill 407 is movably connected to the right side of the driving component 406, the driving component 406 is started, the gun drill 407 is driven to rotate by the driving component 406, and then the gun drill 407 is driven to cut the workpiece 7.

Further, stop gear 5 includes limiting plate 501, uide bushing 502 and guide arm 503, limiting plate 501 sliding connection is on guide rail 3, the central point department fixed mounting of limiting plate 501 has uide bushing 502, fixedly connected with two symmetry parallel arrangement's guide arm 503 on the limiting plate 501, guide arm 503 sliding connection is on mount pad one 405, the cover is equipped with two sets of supporting component 9 on two guide arms 503, utilize stop gear 5 can restrict gun drill 407's range of motion in the course of working, guarantee the precision and the safety of processing, uide bushing 502 can help guaranteeing gun drill 407 and accurately position on work piece 7 in the course of working, limit effect through uide bushing 502, gun drill 407 can process in predetermined position, thereby guarantee the precision and the uniformity of processing, can guarantee that gun drill 407 is processed according to the design requirement all the time in the course of working, avoid deviating from the machining error that the orbit leads to.

Further, the supporting component 9 comprises a supporting plate 901, a through hole 902 is formed in the center of the supporting plate 901, a supporting sleeve 903 is embedded in the through hole 902, an adjusting groove 904 is formed in the top of the through hole 902, a connecting plate 905 is fixedly connected to the top of the adjusting groove 904, an adjusting screw 906 is rotatably connected to the connecting plate 905, the bottom end of the adjusting screw 906 is abutted against the surface of the supporting sleeve 903, the gun bit 407 penetrates through the center of the supporting sleeve 903, vibration and deflection of the gun bit 407 in the machining process can be effectively reduced through the supporting effect of the supporting sleeve 903, further accurate positioning of the gun bit 407 in the machining process is ensured, machining errors are avoided, the machining process pressure needs to be adjusted to ensure the machining stability and quality, the supporting force of the supporting sleeve 903 is adjusted through the rotation of the adjusting screw 906 on the connecting plate 905, the pressure of the gun bit 407 on the workpiece 7 can be flexibly controlled to adapt to different machining requirements, meanwhile, vibration generated in the cutting process of the gun bit 407 can be effectively reduced, the quality of the machining surface is improved, the gun bit 407 is reduced, and abrasion of the gun bit 407 is reduced.

Further, fixture 6 includes bearing frame two 601, second lead screw 602 and hand wheel 603, and bearing frame two 601 is provided with two, and rotates between two bearing frames two and be connected with second lead screw 602, and the right-hand member fixedly connected with hand wheel 603 of second lead screw 602, the left side of hand wheel 603 is provided with prevents changeing subassembly 10, prevents changeing subassembly 10 fixed connection on deep hole machine tool 1, and the staff drives second lead screw 602 through rotating hand wheel 603 and rotates, drives slide two 604 levels through second lead screw 602 rotation and removes, and then can be according to the distance of workpiece 7's specification adjustment fixture 6.

Further, a second sliding plate 604 is connected to the second screw rod 602 in a threaded manner, the second sliding plate 604 is connected to the guide rail 3 in a sliding manner, a second mounting seat 605 is fixedly connected to the top of the second sliding plate 604, a rotating assembly 606 is fixedly installed on the second mounting seat 605, a workpiece 7 is detachably connected to the output end of the rotating assembly 606, a hollow chuck 607 is arranged on the left side of the second mounting seat 605, the hollow chuck 607 can control the clamping force and the clamping diameter, and the hollow chuck 607 can expand or contract when the hollow chuck 607 is subjected to external force so as to adjust the clamping diameter, so that workpieces 7 with different diameters are adapted to be accommodated, the workpieces 7 are firstly placed in the hollow chuck 607, and the workpieces 7 are clamped on the deep hole processing machine tool 1 through the hollow chuck 607, so that the stability and the precision of the workpieces 7 in the processing process are ensured.

Further, positioning mechanism 8 includes dead lever 801, inductor 802 and sensing piece 803, the top fixedly connected with inductor 802 of dead lever 801, the top of inductor 802 is provided with sensing piece 803, sensing piece 803 looks adaptation with inductor 802, and sensing piece 803 fixed connection is on slide one 404, when servo motor 403 drives first lead screw 402 and rotates for slide one 404 when horizontal migration on guide rail 3, can drive the sensing piece 803 simultaneously and remove, when the sensing piece 803 is close to inductor 802, the electromagnetic field in inductor 802 can arouse the induced current in sensing piece 803, thereby produce an induced magnetic field, through measuring the electromagnetic signal change in inductor 802, can confirm the relative position between inductor 802 and the sensing piece 803, thereby realize the location to rotary cutting mechanism 4, and then avoided because mechanical wear or not hard up and cause positioning error.

The working principle of the invention is as follows: firstly, an operator writes a numerical control machining program, including parameters such as a machining path, a feeding speed, a cutting speed and the like of deep hole machining, firstly, the operator drives a second screw rod 602 to rotate through rotating a hand wheel 603, drives a sliding plate II 604 to horizontally move through rotating the second screw rod 602, further can adjust the distance of a clamping mechanism 6 according to the specification of a workpiece 7, places the workpiece 7 in a hollow chuck 607, clamps the workpiece 7 on a deep hole machining machine tool 1 through the hollow chuck 607, ensures the stability and precision of the workpiece 7 in the machining process, the clamping force and the clamping diameter which can be controlled by the hollow chuck 607 can be expanded or contracted when the hollow chuck 607 is subjected to external force, so as to adjust the clamping diameter, thereby adapting to the workpieces 7 with different diameters, starts a servo motor 403, drives a first screw rod 402 to rotate through the servo motor 403, the first screw rod 402 rotates to drive the first slide plate 404 to horizontally move on the guide rail 3, so that the gun drill 407 can horizontally and stably move towards the workpiece 7, the induction piece 803 is synchronously driven to move during the movement, when the induction piece 803 approaches the inductor 802, the electromagnetic field in the inductor 802 can excite the induction current in the induction piece 803 to generate an induction magnetic field, the relative position between the inductor 802 and the induction piece 803 can be determined by measuring the electromagnetic signal change in the inductor 802, the positioning of the rotary cutting mechanism 4 is realized, the supporting sleeve 903 is abutted by rotating the adjusting screw 906 on the connecting plate 905, the supporting force of the supporting sleeve 903 is adjusted, the pressure of the gun drill 407 on the workpiece 7 can be flexibly controlled, so as to adapt to different processing requirements, the driving assembly 406 is started, the gun drill 407 is driven to rotate by the driving assembly 406, and then the gun drill 407 is driven to cut the workpiece 7, meanwhile, the guide sleeve 502 in the limiting mechanism 5 can help ensure that the gun drill 407 is accurately positioned on the workpiece 7 in the machining process, and the gun drill 407 can be machined at a preset position through the limiting function of the guide sleeve 502, so that the machining precision and consistency are ensured.

It will be understood that the invention has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (8)

1. The utility model provides a numerical control machining center deep hole processingequipment with adjustable pressure, includes deep hole machine tool (1), its characterized in that: the automatic deep hole machining device is characterized in that a fixed support frame (2) is fixedly connected to the bottom of the deep hole machining machine tool (1), two parallel-arranged guide rails (3) are fixedly connected to the top of the deep hole machining machine tool (1), a rotary cutting mechanism (4), a limiting mechanism (5) and a clamping mechanism (6) are sequentially arranged on the guide rails (3) from left to right, a workpiece (7) is detachably connected in the clamping mechanism (6), a positioning mechanism (8) is arranged on the rear side of the guide rails (3), and a supporting component (9) is arranged on the limiting mechanism (5).

2. The pressure-adjustable numerical control machining center deep hole machining device according to claim 1, wherein: the rotary cutting mechanism (4) comprises first bearing seats (401), first lead screws (402) and servo motors (403), the first bearing seats (401) are provided with two, the first lead screws (402) are rotationally connected between the first bearing seats (401), the servo motors (403) are arranged at the left ends of the first lead screws (402), and the output ends of the servo motors (403) are fixedly connected with the first lead screws (402).

3. The pressure-adjustable numerical control machining center deep hole machining device according to claim 2, wherein: the screw is characterized in that a first sliding plate (404) is connected to the first screw rod (402) in a threaded mode, the first sliding plate (404) is connected to the guide rail (3) in a sliding mode, a first mounting seat (405) is fixedly connected to the top of the first sliding plate (404), a driving assembly (406) is fixedly mounted on the first mounting seat (405), and a gun drill (407) is movably connected to the right side of the driving assembly (406).

4. A pressure-adjustable numerical control machining center deep hole machining device according to claim 3, characterized in that: stop gear (5) are including limiting plate (501), uide bushing (502) and guide arm (503), limiting plate (501) sliding connection is on guide rail (3), the central point of limiting plate (501) puts fixed mounting has uide bushing (502), fixedly connected with two symmetry parallel arrangement's guide arm (503) on limiting plate (501), guide arm (503) sliding connection is on mount pad one (405), two the cover is equipped with two sets of supporting components (9) on guide arm (503).

5. The pressure-adjustable numerical control machining center deep hole machining device according to claim 4, wherein: the supporting assembly (9) comprises a supporting plate (901), a through hole (902) is formed in the central position of the supporting plate (901), a supporting sleeve (903) is embedded in the through hole (902), an adjusting groove (904) is formed in the top of the through hole (902), a connecting plate (905) is fixedly connected to the top of the adjusting groove (904), an adjusting screw (906) is rotationally connected to the connecting plate (905), and the bottom end of the adjusting screw (906) is in contact with the surface of the supporting sleeve (903).

6. The pressure-adjustable numerical control machining center deep hole machining device according to claim 1, wherein: the clamping mechanism (6) comprises a bearing seat II (601), a second screw rod (602) and a hand wheel (603), wherein the bearing seat II (601) is provided with two, the two bearing seats II (601) are rotationally connected with the second screw rod (602), the right end of the second screw rod (602) is fixedly connected with the hand wheel (603), the left side of the hand wheel (603) is provided with an anti-rotation component (10), and the anti-rotation component (10) is fixedly connected to the deep hole machining machine tool (1).

7. The pressure-adjustable numerical control machining center deep hole machining device according to claim 6, wherein: the novel rotary grinding machine is characterized in that a second sliding plate (604) is connected to the second screw rod (602) in a threaded mode, the second sliding plate (604) is connected to the guide rail (3) in a sliding mode, a second installation seat (605) is fixedly connected to the top of the second sliding plate (604), a rotary assembly (606) is fixedly installed on the second installation seat (605), a workpiece (7) is detachably connected to the output end of the rotary assembly (606), and a hollow chuck (607) is arranged on the left side of the second installation seat (605).

8. The pressure-adjustable numerical control machining center deep hole machining device according to claim 1, wherein: the positioning mechanism (8) comprises a fixing rod (801), an inductor (802) and an induction piece (803), wherein the inductor (802) is fixedly connected to the top of the fixing rod (801), the induction piece (803) is arranged on the top of the inductor (802), the induction piece (803) is matched with the inductor (802), and the induction piece (803) is fixedly connected to the first sliding plate (404).