CN212946537U - Clamping device of numerical control roll lathe - Google Patents
Clamping device of numerical control roll lathe Download PDFInfo
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- CN212946537U CN212946537U CN202021971309.2U CN202021971309U CN212946537U CN 212946537 U CN212946537 U CN 212946537U CN 202021971309 U CN202021971309 U CN 202021971309U CN 212946537 U CN212946537 U CN 212946537U
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Abstract
The utility model discloses a numerical control roll lathe's clamping device, including lathe main body, locating frame and gyro wheel, lathe main body's inside is provided with the centre gripping motor, and one side surface of centre gripping motor is connected with the lead screw, lathe main body's upper surface is provided with three-jaw chuck case, and three-jaw chuck case's lower extreme is run through by the lead screw, lathe main body's inside is provided with the rotating electrical machines, and one side surface of rotating electrical machines is connected with the carousel, lathe main body's inside lower surface is connected with jacking motor, and jacking motor's upper surface is provided with the sleeve, locating frame's upper surface is connected with the gyro wheel. The clamping device of the numerical control roller lathe is provided with the rotary table, and the force generated when the roller blank is cut by the cutter through the threaded connection between the rotary table and the roller blank only enables the connection between the rotary table and the roller blank to be tighter without loosening.
Description
Technical Field
The utility model relates to a roll lathe technical field specifically is a numerical control roll lathe's clamping device.
Background
The roll lathe is a large lathe capable of processing a roll, and the weight and the length of the roll are larger and longer than those of a common workpiece, so that a clamping device for clamping the roll is a key component for the roll lathe, but the clamping device of the existing roll lathe has some problems in the use process:
firstly, when the existing clamping device of the roll lathe clamps a roll, the three-jaw chuck cannot fix the roll well due to the large dead weight of the roll, and the roll and the three-jaw chuck cannot be cut due to asynchronous rotation easily caused in the process of cutting the roll by a cutter;
secondly, when the existing clamping device of the roll lathe clamps the roll, the length of the roll is long, so that the middle part of the roll generates stress deformation after long-time cutting, and the coaxiality of the machined roll does not meet the standard.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a clamping device of numerical control roll lathe to the unstable problem of and roll stress deformation of centre gripping that provides in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a clamping device of a numerical control roll lathe comprises a lathe body, a positioning frame and rollers, wherein a clamping motor is arranged inside the lathe body, a lead screw is connected to the outer surface of one side of the clamping motor, a three-jaw chuck box is arranged on the upper surface of the lathe body, the lower end of the three-jaw chuck box is penetrated through by the lead screw, a rotating motor is arranged inside the lathe body, a turntable is connected to the outer surface of one side of the rotating motor, a jacking motor is connected to the lower surface inside the lathe body, a sleeve is arranged on the upper surface of the jacking motor, a transmission rod is connected to the upper surface of the jacking motor, an ejector rod is connected to the outer surface of the transmission rod, one end of a positioning rod is connected to the inside of the ejector rod, a roll blank is placed on the upper surface of the other end of the positioning rod, a sliding seat is arranged, the other end of the supporting rod is provided with a positioning frame, a spring is connected between the supporting rod and the sliding seat, and the upper surface of the positioning frame is connected with rollers.
Preferably, the screw rod is in threaded connection with the three-jaw chuck box, and the three-jaw chuck box and the lathe body form a sliding structure.
Preferably, the sleeve and the ejector rod form a sliding structure, and the ejector rod is in threaded connection with the transmission rod.
Preferably, the ejector rod and the positioning rod form a sliding structure, and the upper end surface of the ejector rod is attached to the outer surface of the roller blank.
Preferably, the roller blank and the three-jaw chuck box form a clamping structure, and the roller blank and the positioning frame form a sliding friction structure through a roller.
Preferably, the sliding seat and the support rod form a sliding structure, and the support rod and the sliding seat form an elastic structure through a spring.
Compared with the prior art, the beneficial effects of the utility model are that: the clamping device of the numerical control roll lathe,
1. the rotary table is arranged, and the rotary table is in threaded connection with the roller blank body, so that the roller blank body is only tightly connected with the roller blank body under the force generated when the roller blank body is cut by a cutter without loosening;
2. the positioning frame is arranged, and supports the middle part of the roller blank body through the roller when the roller blank body rotates, so that the roller blank body can not generate stress deformation after long-time cutting, and the coaxiality of a processed product is improved;
3. the roller blank body is jacked by the positioning rod, so that the transverse center line of the roller blank body is superposed with the transverse center line of the turntable, and then the center of the cylinder of the roller blank body is superposed with the center of the cylinder of the turntable through the matching of the arc-shaped positioning frame and the positioning rod, so that the rotating stability of the roller blank body during cutting is ensured.
Drawings
FIG. 1 is a schematic overall front sectional view of the present invention;
FIG. 2 is a schematic view of a cross-sectional side view of the roller blank and the positioning frame of the present invention;
FIG. 3 is a schematic view of the cross-sectional side view of the connection between the screw and the three-jaw chuck housing of the present invention;
FIG. 4 is a schematic view of a sectional view of the connection between the transmission rod and the carrier rod of the present invention;
fig. 5 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.
In the figure: 1. a lathe body; 2. a clamping motor; 3. a screw rod; 4. a three-jaw chuck housing; 5. a rotating electric machine; 6. a turntable; 7. a jacking motor; 8. a sleeve; 9. a transmission rod; 10. a top rod; 11. positioning a rod; 12. rolling the blank; 13. a slide base; 14. a support bar; 15. a spring; 16. a positioning frame; 17. and a roller.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a clamping device of a numerical control roll lathe comprises a lathe body 1, a clamping motor 2, a screw rod 3, a three-jaw chuck box 4, a rotating motor 5, a rotary table 6, a jacking motor 7, a sleeve 8, a transmission rod 9, an ejector rod 10, a positioning rod 11, a roll blank 12, a sliding seat 13, a supporting rod 14, a spring 15, a positioning frame 16 and a roller 17, wherein the clamping motor 2 is arranged inside the lathe body 1, the screw rod 3 is connected to the outer surface of one side of the clamping motor 2, the three-jaw chuck box 4 is arranged on the upper surface of the lathe body 1, the lower end of the three-jaw chuck box 4 is penetrated through by the screw rod 3, the rotating motor 5 is arranged inside the lathe body 1, the outer surface of one side of the rotating motor 5 is connected with the rotary table 6, the jacking motor 7 is connected to the lower surface inside of the lathe body 1, the sleeve 8 is arranged on the upper surface, and the surface of transfer line 9 is connected with ejector pin 10, the internal connection of ejector pin 10 has the one end of locating lever 11, and the other end upper surface of locating lever 11 has placed roll idiosome 12, and the upper surface of lathe main part 1 is provided with slide 13, and the internal connection of slide 13 has the one end of bracing piece 14, and the other end of bracing piece 14 is provided with posting 16, and is connected with spring 15 between bracing piece 14 and the slide 13, and the upper surface of posting 16 is connected with gyro wheel 17.
The screw rod 3 is in threaded connection with the three-jaw chuck box 4, the three-jaw chuck box 4 and the lathe body 1 form a sliding structure, and the screw rod 3 rotates to drive the three-jaw chuck box 4 to slide on the upper surface of the lathe body 1.
The sleeve 8 and the ejector rod 10 form a sliding structure, the ejector rod 10 is in threaded connection with the transmission rod 9, and the transmission rod 9 drives the ejector rod 10 to slide through rotation.
The ejector rod 10 and the positioning rod 11 form a sliding structure, the upper end face of the ejector rod 10 is attached to the outer surface of the roller blank 12, and the ejector rod 10 is driven by the positioning rod 11 to lift up the roller blank 12, so that the transverse center line of the roller blank 12 coincides with the transverse center line of the turntable 6.
The roll blank 12 and the three-jaw chuck box 4 form a clamping structure, the roll blank 12 and the positioning frame 16 form a sliding friction structure through the roller 17, and the positioning frame 16 supports the roll blank 12 in rotation through the roller 17 to prevent the roll blank 12 from generating stress deformation.
The sliding seat 13 and the supporting rod 14 form a sliding structure, the supporting rod 14 and the sliding seat 13 form an elastic structure through a spring 15, and the roll blank 12 presses the spring 15 through the supporting rod 14 so that the spring 15 is elastically deformed.
The working principle is as follows: when the clamping device of the numerical control roller lathe is used, firstly, an external power supply is connected into the clamping device, a hole is drilled and tapped at the center of a cylinder at one end of a roller blank 12, as shown in figure 1-2, then the roller blank 12 is placed on the upper surface of a positioning frame 16 on the upper surface of a lathe main body 1 through a lifting appliance, so that the positioning frame 16 drives a supporting rod 14 to slide downwards in a sliding seat 13 and compress a spring 15, and the roller blank 12 automatically slides to the lowest point of an arc of the positioning frame 16 due to the existence of a roller 17, as shown in figure 1-4, then a jacking motor 7 is started, the jacking motor 7 drives a transmission rod 9 to rotate, the transmission rod 9 drives one end of a mandril 10 to slide upwards in a sleeve 8, the mandril 10 drives a positioning rod 11 to jack the roller blank 12 until the transverse center line of the roller blank 12 is coincided with the transverse center, the center of the cylinder of the roller blank 12 is coincided with the center of the cylinder of the turntable 6 through the matching of the arc-shaped positioning frame 16 and the positioning rod 11;
then, starting a clamping motor 2, as shown in fig. 1, a screw rod 3 drives a three-jaw chuck box 4 to slide towards a roller blank 12 through rotation, the three-jaw chuck box 4 is attached to the roller blank 12, then the three-jaw chuck box 4 is adjusted to enable the three-jaw chuck box 4 to clamp the roller blank 12 through jaws, then a rotating motor 5 and the clamping motor 2 are started simultaneously, the screw rod 3 drives the three-jaw chuck box 4 and the roller blank 12 to slide towards the rotating motor 5, the roller blank 12 drives a sliding seat 13 to slide towards the rotating motor 5, meanwhile, the roller blank 12 does not rotate and a turntable 6 rotates, so that the turntable 6 is connected with the roller blank 12 through bolts, when the turntable 6 is attached to the roller blank 12, the clamping motor 2 stops rotating, and the relative positions of the turntable 6, the roller blank 12 and the three-jaw chuck box 4 are fixed;
then the turntable 6 drives the roller blank 12 to rotate, as shown in fig. 1 and 5, and when the cutting blade cuts the roller blank 12, the positioning frame 16 drives the roller 17 to support the middle part of the roller blank 12 through the support rod 14, the spring 15 and the positioning frame 16 when the roller blank 12 rotates, so that the roller blank 12 does not generate stress deformation after long-time cutting, the coaxiality of processed products is improved, and the overall practicability is increased.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a clamping device of numerical control roll lathe, includes lathe main part (1), locating frame (16) and gyro wheel (17), its characterized in that: the inner part of the lathe body (1) is provided with a clamping motor (2), the outer surface of one side of the clamping motor (2) is connected with a screw rod (3), the upper surface of the lathe body (1) is provided with a three-jaw chuck box (4), the lower end of the three-jaw chuck box (4) is penetrated through by the screw rod (3), the inner part of the lathe body (1) is provided with a rotating motor (5), the outer surface of one side of the rotating motor (5) is connected with a turntable (6), the lower surface of the inner part of the lathe body (1) is connected with a jacking motor (7), the upper surface of the jacking motor (7) is provided with a sleeve (8), the upper surface of the jacking motor (7) is connected with a transmission rod (9), the outer surface of the transmission rod (9) is connected with an ejector rod (10), the inner part of the ejector rod (10) is connected with one end of a positioning rod (11), and, the upper surface of lathe body (1) is provided with slide (13), and the internal connection of slide (13) has the one end of bracing piece (14), the other end of bracing piece (14) is provided with locating frame (16), and is connected with spring (15) between bracing piece (14) and slide (13), the upper surface of locating frame (16) is connected with gyro wheel (17).
2. The clamping device of the numerically controlled roll lathe according to claim 1, wherein: the screw rod (3) is in threaded connection with the three-jaw chuck box (4), and the three-jaw chuck box (4) and the lathe body (1) form a sliding structure.
3. The clamping device of the numerically controlled roll lathe according to claim 1, wherein: the sleeve (8) and the ejector rod (10) form a sliding structure, and the ejector rod (10) is in threaded connection with the transmission rod (9).
4. The clamping device of the numerically controlled roll lathe according to claim 1, wherein: the ejector rod (10) and the positioning rod (11) form a sliding structure, and the upper end face of the ejector rod (10) is attached to the outer surface of the roller blank (12).
5. The clamping device of the numerically controlled roll lathe according to claim 1, wherein: the roller blank (12) and the three-jaw chuck box (4) form a clamping structure, and the roller blank (12) and the positioning frame (16) form a sliding friction structure through a roller (17).
6. The clamping device of the numerically controlled roll lathe according to claim 1, wherein: the sliding seat (13) and the supporting rod (14) form a sliding structure, and the supporting rod (14) and the sliding seat (13) form an elastic structure through a spring (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021971309.2U CN212946537U (en) | 2020-09-10 | 2020-09-10 | Clamping device of numerical control roll lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021971309.2U CN212946537U (en) | 2020-09-10 | 2020-09-10 | Clamping device of numerical control roll lathe |
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| Publication Number | Publication Date |
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| CN212946537U true CN212946537U (en) | 2021-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021971309.2U Active CN212946537U (en) | 2020-09-10 | 2020-09-10 | Clamping device of numerical control roll lathe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114054508A (en) * | 2021-11-02 | 2022-02-18 | 浙江中达新材料股份有限公司 | Cold rolling mill for cold finish rolling bright stainless steel seamless steel pipe |
-
2020
- 2020-09-10 CN CN202021971309.2U patent/CN212946537U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114054508A (en) * | 2021-11-02 | 2022-02-18 | 浙江中达新材料股份有限公司 | Cold rolling mill for cold finish rolling bright stainless steel seamless steel pipe |
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