Molybdenum wire constant tension device of linear cutting machine tool
By employing a dual tensioning mechanism in the in-line cutting machine, the vibration problem caused by the tightness of the molybdenum wire was solved, achieving constant tension control of the molybdenum wire and improving processing accuracy and surface quality.
Patent Information
- Application Number
- CN202422876081.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-25
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2034-11-25
AI Technical Summary
The tightness of the molybdenum wire in a wire EDM machine affects the machining quality, leading to vibration, increased surface roughness, and reduced machining efficiency.
A dual tensioning mechanism is adopted, which uses gears and a transmission rack to mesh and a piston cylinder to push the piston rod, thereby achieving constant tension control of the molybdenum wire and ensuring the stability of the molybdenum wire during the cutting process.
It improves the cutting stability of molybdenum wire, reduces vibration and cutting deviation, and enhances processing accuracy and surface quality.
Smart Images
Figure CN223656182U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to wire stretching device technical field more particularly to a kind of molybdenum wire constant tension device of wire cutting machine tool. BACKGROUND
[0002] Wire cutting processing technology is a kind of electric spark machining technology, adopts conductive wire as electrode, and uses spark discharge between wire and workpiece to etch workpiece material, and wire cutting technology is based on the discharge principle of electric spark, in the processing, workpiece is connected to pulse power positive, wire is connected to high-frequency pulse power negative as tool electrode, under the action of electric field, cathode and anode surface are bombarded by electron stream and ion stream respectively, to form transient high-temperature heat source in electrode gap, to make local metal melt and gasify. Vaporized working fluid and workpiece material steam expand rapidly in an instant, under the joint action of thermal expansion and working fluid stamping, melted and gasified workpiece material is thrown out of discharge channel, to complete a spark discharge process. With the continuous repetition of pulse, workpiece is gradually cut into shape.
[0003] The implementation carrier of wire cutting processing technology is wire cutting machine, and the main component affecting the cutting quality of wire cutting machine is wire cutting metal wire, wherein, the tightness of wire cutting wire is an important parameter affecting the surface quality of processed part, and wire cutting machine can only work normally when wire cutting wire is tensioned, during cutting, wire cutting wire becomes loose and shakes due to the effect of electric erosion, to cause the surface quality of processed part to decrease and roughness to increase, and wire cutting wire shaking can cause wire cutting wire to overlap on storage drum, to cause wire to run unstably and cause problems such as wire breakage, to reduce processing efficiency. CONTENT OF UTILITY MODEL
[0004] In order to overcome the above-mentioned defects of prior art, the utility model provides a kind of molybdenum wire constant tension device of wire cutting machine tool, to solve the problems existing in above-mentioned background art.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of molybdenum wire constant tension device of wire cutting machine tool, including stretching frame, the middle part of the stretching frame is equipped with piston cylinder, the top of the stretching frame is equipped with gear, the bottom of the gear is equipped with transmission rack, the bottom of the transmission rack is equipped with support plate, the inside of the gear is fixedly connected with shaft, the periphery of the shaft is fixedly connected with nut, one side of the gear is fixedly connected with transmission motor, one side of the transmission motor is fixedly connected with motor fixed block, the bottom of the transmission rack is equipped with locating block, the top of the locating block is fixedly connected with fixed sliding block, one side of the locating block is fixedly connected with slide rail, the periphery of the slide rail is equipped with spring, one side of the slide rail is fixedly connected with sliding block, one side of the sliding block is fixedly connected with locating column, one side of the locating column is fixedly connected with upper slide groove.
[0006] Further, the bottom of the support plate is fixedly connected with a support vertical plate, one side of the support vertical plate is fixedly connected with a connecting shaft, and the periphery of the connecting shaft is fixedly connected with a roller.
[0007] Further, one side of the piston cylinder is fixedly connected with a fixed plate, the other side of the piston cylinder is fixedly connected with a piston rod, one side of the piston rod is fixedly connected with a fixed rod, and one side of the fixed rod is fixedly connected with a lower sliding groove.
[0008] Further, the bottom of the stretching frame is fixedly connected with a footing, and one side of the stretching frame is fixedly connected with a control panel.
[0009] Further, the top of the fixed sliding block is provided with a sliding groove, the upper sliding groove is fixedly connected with the positioning column and does not rotate, the inside of the upper sliding groove is provided with a bearing, and the gear is meshed with the transmission rack.
[0010] Further, the fixed rod is fixedly connected with the lower sliding groove and the lower sliding groove does not rotate, and the inside of the lower sliding groove is provided with a bearing.
[0011] Further, one side of the stretching frame is provided with a movable groove, and the bottom of the footing is provided with anti-skid lines.
[0012] The technical effects and advantages of the present application are as follows:
[0013] The present application is provided with a transverse stretching device, the gear is meshed with the transmission rack, the gear is rotated through the transmission motor, the transmission rack moves left and right, one end of the molybdenum wire is in a tight state, the tight molybdenum wire is more stable during cutting, the shaking caused by vibration or external force is reduced, the stability of cutting is improved, the tight state helps the molybdenum wire to keep its accurate position on the machine tool, and cutting deviation caused by loosening is avoided.
[0014] The present application is provided with a piston cylinder stretching device, the piston cylinder is pushed to make the molybdenum wire move left and right, the transverse stretching device is matched, the double tensioning can more effectively keep the tension of the molybdenum wire in the wire cutting device constant, the double tensioning can act through two tensioning mechanisms at the same time, the tension change caused by single mechanism failure or fluctuation is reduced, and the stability of the overall tension is improved. BRIEF DESCRIPTION OF DRAWINGS
[0015] Fig. 1 It is a whole structure schematic view of the present application;
[0016] Fig. 2 It is a whole structure schematic view of the transverse stretching device of the present application;
[0017] Fig. 3The utility model discloses a piston cylinder stretching device whole structure structure schematic diagram.
[0018] Fig. 4 The utility model discloses a roller device whole structure schematic diagram.
[0019] The drawing figure is: 1, stretching frame, 101, foot bolt, 102, control panel, 2, piston cylinder, 201, fixed plate, 202, piston rod, 203, fixed rod, 204, lower slide groove, 3, gear, 301, pivot, 302, nut, 303, transmission motor, 304, motor fixed block, 4, transmission rack, 401, locating block, 402, fixed sliding block, 403, slide rail, 404, spring, 405, sliding block, 406, locating column, 407, upper slide groove, 5, support plate, 501, support vertical plate, 502, connecting shaft, 503, roller. DETAILED DESCRIPTION
[0020] The utility model discloses a piston cylinder stretching device whole structure structure schematic diagram.
[0021] Refer to Figs. 1 to 4 The utility model provides a kind of molybdenum wire constant tension device of wire cutting machine tool, including stretching frame 1, the middle part of stretching frame 1 is equipped with piston cylinder 2, the top of stretching frame 1 is equipped with gear 3, the bottom of gear 3 is equipped with transmission rack 4 transmission rack 4 bottom is equipped with support plate 5, the inside fixed connection of gear 3 has pivot 301, pivot 301 is fixedly connected with nut 302 around, one side of gear 3 is fixedly connected with transmission motor 303, one side of transmission motor 303 is fixedly connected with motor fixed block 304, the bottom of transmission rack 4 is equipped with locating block 401, the top of locating block 401 is fixedly connected with fixed sliding block 402, one side of locating block 401 is fixedly connected with slide rail 403, the periphery of slide rail 403 is equipped with spring 404, one side of slide rail 403 is fixedly connected with sliding block 405, one side of sliding block 405 is fixedly connected with locating column 406, one side of locating column 406 is fixedly connected with upper slide groove 407.
[0022] In a preferred embodiment, the bottom of support plate 5 is fixedly connected with support vertical plate 501, one side of support vertical plate 501 is fixedly connected with connecting shaft 502, connecting shaft 502 is fixedly connected with roller 503 around.
[0023] In a preferred implementation, one side of the piston cylinder 2 is fixedly connected with a fixed plate 201, the other side of the piston cylinder 2 is fixedly connected with a piston rod 202, one side of the piston rod 202 is fixedly connected with a fixed rod 203, one side of the fixed rod 203 is fixedly connected with a lower sliding groove 204.
[0024] In a preferred implementation, the bottom of the stretching frame 1 is fixedly connected with a footing 101, one side of the stretching frame 1 is fixedly connected with a control panel 102.
[0025] In this embodiment, it needs to be specifically supplemented that the top of the fixed sliding block 402 is provided with a sliding groove, the upper sliding groove 407 is fixedly connected with the positioning column 406 and does not rotate, the inside of the upper sliding groove 407 is provided with a bearing, and the gear 3 is meshed with the transmission rack 4.
[0026] In this embodiment, it needs to be specifically supplemented that the fixed rod 203 is fixedly connected with the lower sliding groove 204 and the lower sliding groove 204 does not rotate, and the inside of the lower sliding groove 204 is provided with a bearing.
[0027] In this embodiment, it needs to be specifically supplemented that one side of the stretching frame 1 is provided with a movable groove, and the bottom of the footing 101 is provided with anti-skid lines.
[0028] The working principle of the utility model is: when using the equipment, the molybdenum wire is wound around the upper sliding groove 407 and the lower sliding groove 204, then the equipment is started by adjusting the control panel 102, the gear 3 is rotated by the operation of the transmission motor 303, the transmission rack 4 is transversely moved left and right because the gear 3 is meshed with the transmission rack 4, the upper sliding groove 407 is fixedly connected with the sliding block 405 through the positioning column 406, the upper sliding groove 407 is transversely moved left and right in the process of transverse movement, so that the molybdenum wire at one end is tensioned, the piston cylinder 2 is started by continuously adjusting the control panel 102, the lower sliding groove 204 is also transversely moved left and right by the piston movement of the piston rod 202, and the molybdenum wire at the other end is tensioned, so that under the action of double tensioning, the double tensioning can more effectively keep the tension of the wire cutting device, such as the molybdenum wire, constant, the stability of the tension of the electrode wire is crucial for the machining precision and surface quality in the wire spark cutting machining process, the double tensioning can act simultaneously through two tensioning mechanisms, the tension change caused by the failure or fluctuation of a single mechanism is reduced, and the stability of the overall tension is improved.
[0029] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
[0030] Finally should be explained a few points is: first, in the description of the present application, it should be pointed out that, unless otherwise specified and limited, the term "installation", "connected", "connection" should be broad, can be mechanical or electrical connection, but also can be two elements inside the communication, can be directly connected, "up", "down", "left", "right" and so on, only for indicating the relative position relationship, when the absolute position of the described object changes, the relative position relationship may change;
[0031] Second: the utility model discloses the embodiment in the drawing, only relate to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of not conflicting, the same embodiment and different embodiments of the utility model can be combined with each other;
[0032] Finally: the above only for the preferred embodiment of the utility model has, and does not for limiting the utility model, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.
Claims
1. A constant tension device for molybdenum wire of a wire cutting machine tool, comprising a stretching frame (1), characterized in that, The middle part of the stretching frame (1) is provided with a piston cylinder (2), the top of the stretching frame (1) is provided with a gear (3), the bottom of the gear (3) is provided with a transmission rack (4), the bottom of the transmission rack (4) is provided with a supporting plate (5), the inside of the gear (3) is fixedly connected with a rotating shaft (301), the surrounding of the rotating shaft (301) is fixedly connected with a nut (302), one side of the gear (3) is fixedly connected with a transmission motor (303), one side of the transmission motor (303) is fixedly connected with a motor fixed block (304), the bottom of the transmission rack (4) is provided with a positioning block (401), the top of the positioning block (401) is fixedly connected with a fixed sliding block (402), one side of the positioning block (401) is fixedly connected with a sliding rail (403), the surrounding of the sliding rail (403) is provided with a spring (404), one side of the sliding rail (403) is fixedly connected with a sliding block (405), one side of the sliding block (405) is fixedly connected with a positioning column (406), one side of the positioning column (406) is fixedly connected with an upper sliding groove (407).
2. A constant tension device for molybdenum wire in a wire cutting machine according to claim 1, characterized in that: The bottom of the supporting plate (5) is fixedly connected with a supporting vertical plate (501), one side of the supporting vertical plate (501) is fixedly connected with a connecting shaft (502), the surrounding of the connecting shaft (502) is fixedly connected with a roller (503).
3. A constant tension device for molybdenum wire in a wire cutting machine according to claim 1, characterized in that: One side of the piston cylinder (2) is fixedly connected with a fixed plate (201), the other side of the piston cylinder (2) is fixedly connected with a piston rod (202), one side of the piston rod (202) is fixedly connected with a fixed rod (203), one side of the fixed rod (203) is fixedly connected with a lower sliding groove (204).
4. A constant tension device for molybdenum wire in a wire cutting machine according to claim 1, characterized in that: The bottom of the stretching frame (1) is fixedly connected with a foot (101), one side of the stretching frame (1) is fixedly connected with a control panel (102).
5. A constant tension device for molybdenum wire in a wire-cut machine tool as defined in claim 1, wherein: The top of the fixed sliding block (402) is provided with a sliding groove, the upper sliding groove (407) is fixedly connected with the positioning column (406) and does not rotate, the inside of the upper sliding groove (407) is provided with a bearing, the gear (3) and the transmission rack (4) are engaged with each other.
6. A constant tension device for molybdenum wire in a wire-cut machine tool as defined in claim 3, wherein: The fixed rod (203) is fixedly connected with the lower sliding groove (204) and the lower sliding groove (204) does not rotate, the inside of the lower sliding groove (204) is provided with a bearing.
7. A constant tension device for molybdenum wire in a wire-cut machine tool as defined in claim 4, wherein: One side of the stretching frame (1) is provided with a movable groove, the bottom of the foot (101) is provided with anti-skid lines.