Double-nut electric screw press
By designing a double-nut structure and lubrication components, the problems of insufficient machine body strength and slide wear in electric screw presses after increasing flywheel speed are solved, achieving stable slide movement and high-precision machining.
Patent Information
- Application Number
- CN202423107970.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-17
AI Technical Summary
In existing electric screw presses, increasing the flywheel speed to improve production efficiency results in insufficient machine body strength, causing the slide to wobble or deviate during movement, affecting processing accuracy, and increasing friction between the guide rail and the slide, leading to severe wear.
It adopts a double-nut structure and lubrication component design. The rotational freedom of the nut is restricted by the fixing bolt to ensure stable movement, and the lubrication component sprays lubricating oil to reduce friction and wear.
This achieves stable and precise movement of the slider, reduces frictional resistance, improves the smoothness of equipment operation and processing accuracy, reduces wear, and ensures efficient production.
Smart Images
Figure CN223590179U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to press machine technical field especially relates to double nut electric screw press. BACKGROUND
[0002] In the modern manufacturing field, pressure processing is a very key process link, is widely used in metal forming, parts manufacturing and many other industries, wherein electric screw press is a kind of key processing device.
[0003] Electric screw press is widely used in refractory industry and forging and forming industry, and the striking speed of the sliding block of the press machine is determined by the lead of the screw rod, the rotating speed of the flywheel and the tonnage of the press machine and other parameters.
[0004] But in life, enterprises want to improve production efficiency, increase the working speed of the sliding block of the press machine, need to improve the rotating speed of the flywheel, and the increase of the rotating speed of the flywheel will increase the load of the whole press machine, which will lead to insufficient strength of the machine body, so the tonnage of the press machine needs to be increased to ensure safety, and the increase of the tonnage of the press machine will greatly increase the investment cost, and there is friction between the guide rails on both sides of the sliding block and the guide groove of the machine body during the up and down movement of the sliding block. With the increase of use time, the contact surface of the guide rail and the sliding block may be worn, which will cause the sliding block to shake or deviate during movement, affect the precision of the press machine in processing workpieces, especially when high-precision processing is carried out, the influence is more obvious.
[0005] Therefore, the double nut electric screw press is provided to solve the problems in the above background art. CONTENT OF THE UTILITY MODEL
[0006] In order to make up for the above shortcomings, the utility model provides a double nut electric screw press, which aims at improving the problems in the prior art that the production efficiency is improved, the working speed of the sliding block of the press machine is increased, the rotating speed of the flywheel needs to be improved, and the increase of the rotating speed of the flywheel will increase the load of the whole press machine, which will lead to insufficient strength of the machine body, and there is friction between the guide rails on both sides of the sliding block and the guide groove of the machine body during the up and down movement of the sliding block. With the increase of use time, the contact surface of the guide rail and the sliding block may be worn, which will cause the sliding block to shake or deviate during movement, affect the precision of the press machine in processing workpieces.
[0007] To achieve the above object, the utility model provides the following technical scheme: Double nut electric screw press, including base, the base is fixedly installed with the workstation, the base is fixedly installed with the connecting table, the connecting table is fixedly installed with the flywheel, the downside of flywheel is fixedly connected with the external spline, the downside of external spline is fixedly connected with the screw rod, the outside screw thread of screw rod has the upper nut, the outside screw thread of screw rod is connected with lower nut, the upper nut and lower nut all are provided with installation component, the outside of lower nut is equipped with the sliding block, the inside of connecting table is fixedly connected with the guide rail, the upside of guide rail is provided with lubricating component, the installation component includes fixed bolt no.
[0008] Further, the lubricating component includes an oil tank, the downside of the oil tank is provided with a communication component, the inside of the guide rail is provided with a guide groove, and the connecting table is provided with an oil injection component.
[0009] Further, the communication component includes a connecting pipe, the connecting pipe is fixedly connected to the oil tank, and the outside of the connecting pipe is fixedly installed with a solenoid valve.
[0010] Further, the oil injection component includes an oil collecting base, the oil collecting base is fixedly installed on the connecting table, the end of the connecting pipe away from the oil tank is fixedly connected to the oil collecting base, and the downside of the oil collecting base is fixedly connected with a nozzle.
[0011] Further, the fixed bolt no. 1 is screw-connected in the inside of the installation hole no. 1, and the fixed bolt no. 2 is screw-connected in the inside of the installation hole no. 2.
[0012] Further, the upper nut is arranged on the upside of the lower nut.
[0013] Further, the sliding block is slidingly connected to the outside of the guide rail.
[0014] Further, the nozzle is arranged on the upside of the guide rail.
[0015] The utility model has the advantages of:
[0016] 1. In the utility model, the workpiece to be processed is placed on the workstation fixedly connected to the base. The power source drives the flywheel to rotate, and the external spline and the screw rod connected thereto rotate synchronously. Since the screw rod is screw-connected with the upper and lower nuts, the upper and lower nuts move relatively when the screw rod rotates. The fixed bolt no. 1 of the upper nut is connected to the installation hole no. 1 of the connecting table, and the fixed bolt no. 2 of the lower nut is connected to the installation hole no. 2 of the sliding block, so that the upper and lower nuts can only move up and down along the screw rod, and the sliding block on the outside of the lower nut and the guide rail of the connecting table slide together, ensuring the stability and directionality of the movement of the lower nut.
[0017] 2、 The utility model discloses, during the work, the lubricating oil of oil storage tank is under the regulation of electromagnetic valve, and is sent to the oil collecting seat through the connecting pipe, and then is sprayed to the guide rail by the nozzle under the oil collecting seat, and the sliding block is lubricated, and the friction and abrasion are reduced, and the equipment operation is ensured smooth and accurate, and the relative motion of upper nut and lower nut with the rotation of screw rod converts the rotational kinetic energy of the flywheel into the pressure of up and down, and is applied to the workpiece on the workbench, and the pressure processing task is achieved. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is the perspective view of double nut electric screw press that the utility model provides;
[0019] Figure 2 It is the partial structure schematic diagram of double nut electric screw press that the utility model provides;
[0020] Figure 3 It is the lubricating assembly structure schematic diagram of double nut electric screw press that the utility model provides;
[0021] Figure 4 It is the fixed bolt two mounting structure schematic diagram of double nut electric screw press that the utility model provides;
[0022] Figure 5 It is the guide rail structure schematic diagram of double nut electric screw press that the utility model provides.
[0023] Legend:
[0024] 1, base;2, connecting table;3, flywheel;4, outer spline;5, upper nut;6, screw rod;7, lower nut;8, mounting assembly;81, fixed bolt one;82, mounting hole one;83, fixed bolt two;84, mounting hole two;9, guide rail;10, sliding block;11, lubricating assembly;1101, oil storage tank;1102, connecting pipe;1103, electromagnetic valve;1104, nozzle;1105, guide slot;1106, oil collecting seat;12, workbench. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0026] Reference Figure 1 , Figure 2 and Figure 4The utility model provides an embodiment: double nut electric screw press, including base 1, the fixed mounting of work table 12 is installed on base 1, the fixed mounting of connecting table 2 is installed on base 1, the fixed installation of flywheel 3 is installed on connecting table 2, the lower side fixed connection of flywheel 3 has outer spline 4, the lower side fixed connection of outer spline 4 has screw rod 6, the outside screw thread of screw rod 6 has upper nut 5, and the outside screw thread connection of screw rod 6 has lower nut 7, and upper nut 5 sets up at the upper side of lower nut 7, and all is set up with installation component 8 on upper nut 5 and lower nut 7, and the outside of lower nut 7 is equipped with sliding block 10, and the inside fixed connection of connecting table 2 has guide rail 9, and sliding block 10 slidingly connects in the outside of guide rail 9, and the upper side of guide rail 9 is provided with lubricating assembly 11, installation component 8 includes fixed bolt one 81, and fixed bolt one 81 sets up in the inside of upper nut 5, and the inside of connecting table 2 is provided with mounting hole one 82, and the inside of lower nut 7 is provided with fixed bolt two 83, and the inside of sliding block 10 is provided with mounting hole two 84, and fixed bolt one 81 is screw connected in the inside of mounting hole one 82, and fixed bolt two 83 is screw connected in the inside of mounting hole two 84,
[0027] The workpiece to be subjected to pressure processing is accurately and stably placed on the surface of the workbench 12 firmly installed on the base 1, then the power source is started, the power source drives the flywheel 3 to rotate at high speed, the flywheel 3 is a core power transmission component, the outer spline 4 fixedly connected to the lower side of the flywheel 3 stably rotates together with the flywheel 3, and the outer spline 4 is fixedly connected with the screw rod 6, so that the screw rod 6 starts to rotate synchronously under the driving of the flywheel 3, and since the outer side of the screw rod 6 is connected with the upper nut 5 and the lower nut 7 in a threaded manner, when the screw rod 6 starts to rotate, the upper nut 5 and the lower nut 7 will tend to move relatively. In order to ensure that the upper nut 5 and the lower nut 7 can move in a predetermined manner, the fixed bolt one 81 in the inside of the upper nut 5 is screw-connected into the mounting hole one 82 in the inside of the connecting table 2, which successfully limits the rotation degree of freedom of the upper nut 5, so that it can only move linearly in the up-down direction along the screw rod 6, and by analogy, the fixed bolt two 83 in the inside of the lower nut 7 is screw-connected with the mounting hole two 84 in the inside of the sliding block 10, and the sliding block 10 forms a sliding connection relationship with the guide rail 9 in the inside of the connecting table 2, which provides stable and accurate guidance for the up-down movement of the sliding block 10.
[0028] Referring to Figure 1 , Figure 3 and Figure 5The lubricating assembly 11 comprises an oil storage tank 1101, the lower side of the oil storage tank 1101 is provided with a communication assembly, the inside of the guide rail 9 is provided with a guide groove 1105, the connecting table 2 is provided with an oil injection assembly, the communication assembly comprises a connecting pipe 1102, the connecting pipe 1102 is fixedly communicated on the oil storage tank 1101, the outer side of the connecting pipe 1102 is fixedly installed with an electromagnetic valve 1103, the oil injection assembly comprises an oil collecting seat 1106, the oil collecting seat 1106 is fixedly installed on the connecting table 2, one end of the connecting pipe 1102 away from the oil storage tank 1101 is fixedly communicated on the oil collecting seat 1106, the lower side of the oil collecting seat 1106 is fixedly connected with a nozzle 1104, and the nozzle 1104 is arranged on the upper side of the guide rail 9;
[0029] During continuous work of the press machine, the lubricating assembly 11 plays a very key guarantee role, the oil storage tank 1101 serves as a storage container of lubricating oil, and the lubricating oil in the oil storage tank 1101 can be transported through the connecting pipe 1102 under specific working conditions. The electromagnetic valve 1103 is installed on the connecting pipe 1102, the flow and on-off state of the lubricating oil can be accurately controlled through the electromagnetic valve 1103, the lubricating oil is transported to the oil collecting seat 1106, the oil collecting seat 1106 is fixedly installed on the connecting table 2, the nozzle 1104 fixedly connected to the lower side of the oil collecting seat 1106 is located on the upper side of the guide rail 9, when lubrication is needed, the electromagnetic valve 1103 is opened, the lubricating oil is sprayed out from the nozzle 1104 and evenly falls on the guide rail 9, in this way, when the sliding block 10 reciprocally slides on the guide rail 9, the sliding block 10 can be fully and well lubricated, the frictional resistance between the sliding block 10 and the guide rail 9 is greatly reduced, the wear degree of the parts is effectively reduced, and the smoothness, stability and high precision of equipment operation are effectively ensured.
[0030] Working principle: when using the device, first place the workpiece to be processed on the workbench 12 fixed on the base 1. The power source drives the flywheel 3 to rotate, the flywheel 3 drives the outer spline 4 and the screw rod 6 fixedly connected with it to rotate, because the screw rod 6 is screwed with the upper nut 5 and the lower nut 7, when the screw rod 6 rotates, the upper nut 5 and the lower nut 7 will have a relative movement trend due to the thread action, through the installation assembly 8, that is, the fixed screw No. 1 81 in the upper nut 5 is screwed with the installation hole No. 1 82 in the connecting table 2, and the fixed screw No. 2 83 in the lower nut 7 is screwed with the installation hole No. 2 84 in the sliding block 10, so that the upper nut 5 and the lower nut 7 can only move up and down along the screw rod 6 under the condition of being limited to rotate, the sliding block 10 outside the lower nut 7 is slidingly connected with the guide rail 9 inside the connecting table 2, which ensures the stability and directionality of the movement of the lower nut 7, in the working process, the lubricating assembly 11 plays a role, the lubricating oil in the oil tank 1101 is delivered to the oil collecting seat 1106 through the connecting pipe 1102 under the control of the electromagnetic valve 1103, and then sprayed onto the guide rail 9 by the nozzle 1104 on the lower side of the oil collecting seat 1106, providing lubrication for the sliding of the sliding block 10 on the guide rail 9, reducing friction resistance and wear, ensuring the smoothness and accuracy of the operation of the equipment, the relative movement of the upper nut 5 and the lower nut 7 when the screw rod 6 rotates converts the rotational kinetic energy of the flywheel 3 into pressure in the upward and downward directions, which acts on the workpiece placed on the workbench 12, realizing the pressure processing operation of the workpiece.
[0031] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for those skilled in the art, it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included in the protection scope of the present application.
Claims
1. Double-nut electric screw press comprising a base (1), characterized in that: The base (1) is fixedly installed with a workbench (12), the base (1) is fixedly installed with a connecting table (2), the connecting table (2) is fixedly installed with a flywheel (3), the lower side of the flywheel (3) is fixedly connected with an external spline (4), the lower side of the external spline (4) is fixedly connected with a screw rod (6), the outer side of the screw rod (6) is threaded with an upper nut (5), the outer side of the screw rod (6) is threaded with a lower nut (7), the upper nut (5) and the lower nut (7) are provided with mounting assemblies (8), the outer side of the lower nut (7) is provided with a sliding block (10), the inner side of the connecting table (2) is fixedly connected with a guide rail (9), the upper side of the guide rail (9) is provided with a lubricating assembly (11); The mounting assembly (8) comprises a fixing bolt one (81), the fixing bolt one (81) is arranged in the inner side of the upper nut (5), the inner side of the connecting table (2) is provided with a mounting hole one (82), the inner side of the lower nut (7) is provided with a fixing bolt two (83), the inner side of the sliding block (10) is provided with a mounting hole two (84).
2. Double nut electric screw press according to claim 1, characterized in that: The lubricating assembly (11) comprises an oil storage tank (1101), the lower side of the oil storage tank (1101) is provided with a communication assembly, the inner side of the guide rail (9) is provided with a guide groove (1105), the connecting table (2) is provided with an oil injection assembly.
3. Double nut electric screw press according to claim 2, characterized in that: The communication assembly comprises a connecting pipe (1102), the connecting pipe (1102) is fixedly connected with the oil storage tank (1101), the outer side of the connecting pipe (1102) is fixedly installed with an electromagnetic valve (1103).
4. Double nut electric screw press according to claim 3, characterized in that: The oil injection assembly comprises an oil collecting seat (1106), the oil collecting seat (1106) is fixedly installed on the connecting table (2), the end, away from the oil storage tank (1101), of the connecting pipe (1102) is fixedly connected with the oil collecting seat (1106), the lower side of the oil collecting seat (1106) is fixedly connected with a nozzle (1104).
5. The dual nut electric screw press according to claim 1, wherein: The fixing bolt one (81) is threaded in the inner side of the mounting hole one (82), the fixing bolt two (83) is threaded in the inner side of the mounting hole two (84).
6. The dual nut electric screw press according to claim 1, wherein: The upper nut (5) is arranged on the upper side of the lower nut (7).
7. The dual nut electric screw press according to claim 1, wherein: The sliding block (10) is slidingly connected with the outer side of the guide rail (9).
8. The dual nut electric screw press according to claim 4, wherein: The nozzle (1104) is arranged on the upper side of the guide rail (9).