Anti-loosening and quick-plugging device for electric spindle connector

Abstract

The invention discloses an anti-loosening and quick plugging device for an electric spindle connector, and relates to the field of connecting plug devices. An electric spindle connector anti-loosening and quick plugging device comprises an electric spindle body, a wire pipe is fixedly connected to the electric spindle body, a female connector is fixedly connected to the wire pipe, a male connector is connected to the female connector, a connecting ring is connected to the male connector, and the electric spindle connector anti-loosening and quick plugging device further comprises a mounting ring which is fixedly connected to the female connector, a clamping groove is formed in the mounting ring; the connecting ring is quickly inserted into the clamping groove of the mounting ring, the male connector and the female connector can be in butt joint through the positioning rod, the male connector and the female connector are stably connected together, meanwhile, through the arrangement of the sealing assembly, a gap between the male connector and the female connector can be filled, the situation that external water vapor enters the connector is reduced, and the service life of the connector is prolonged. And meanwhile, through the arrangement of the auxiliary limiting assembly, the stability of connection between the male connector and the female connector can be improved, and use of the motorized spindle is facilitated.

Description

Technical Field

[0001] The invention belongs to the technical field of connecting plug devices, and in particular relates to an anti-loosening and quick plug-in device for an electric spindle connector. Background Art

[0002] In modern advanced manufacturing technology, electric spindles are widely used in precision processing equipment such as CNC machine tools and machining centers due to their advantages of high precision, high speed and high efficiency. The performance of the electric spindle connector is directly related to the operating quality of the electric spindle and even the entire processing system.

[0003] At present, when the electric spindle connector is in use, the looseness problem has become a key factor restricting its reliability. Under actual working conditions, the electric spindle is in a high-speed rotation state, which will produce continuous vibration. In addition, the inevitable external force impact during the processing process, these dynamic loads can easily cause the connection part of the connector to loosen. Once loose, the stability of the connection will be destroyed, and the stability of power transmission and the accuracy of signal transmission will be seriously affected, which will greatly shorten the service life of the electric spindle. At the same time, it will also reduce the processing accuracy and affect product quality.

[0004] Secondly, insufficient sealing performance is another prominent problem. In working environments such as machining workshops and foundry workshops, there is generally humidity and dust. External impurities such as water vapor and dust will penetrate into the interior through the gaps in the connectors. Water vapor will make the internal electrical components damp, reduce insulation performance, and increase the risk of short circuits. Dust and other particulate impurities may cause poor contact and interfere with signal transmission. These will seriously threaten the safe and stable operation of the electric spindle. Frequent fault repairs will also increase the maintenance cost and downtime of the equipment, reducing production efficiency. Summary of the invention

[0005] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a connecting plug device that can overcome the above problems or at least partially solve the above problems.

[0006] In order to solve the above technical problems, the basic concept of the technical solution adopted by the present invention is: an anti-loosening and quick-plugging device for an electric spindle connector, comprising an electric spindle body, a wire tube is fixedly connected to the electric spindle body, a connector female is fixedly connected to the wire tube, a connector male is connected to the connector female, and a connecting ring is connected to the connector male, and also includes: a mounting ring, fixedly connected to the connector female, a card slot is provided on the mounting ring, and the connecting ring can be inserted into the card slot; a positioning rod, slidably connected to the mounting ring, both ends of the positioning rod pass through the mounting ring, and the connecting ring is provided with a positioning port matching the positioning rod; a spring member one, sleeved on the positioning rod, and the two ends of the spring member one are respectively connected to the positioning rod and the mounting ring; a sealing assembly, arranged on the connector female, for sealing the gap between the connector female and the connector male; an auxiliary limiting assembly, for auxiliary fixing of the connector female and the connector male.

[0007] Furthermore, the sealing assembly includes an extrusion airbag, an extrusion plate, and a sealing airbag. The extrusion airbag is fixedly connected to the connecting head nut, the extrusion plate is slidably connected to the connecting head nut, and the extrusion plate is used to extrude the extrusion airbag. The sealing airbag is installed in the mounting ring, and the expansion end of the sealing airbag is facing the connecting ring. The extrusion airbag is squeezed by the extrusion plate, so that the gas in the extrusion airbag can enter the sealing airbag, and then the gap between the mounting ring and the connecting ring is sealed by the sealing airbag.

[0008] Furthermore, a connecting rod is slidably connected in the mounting ring, one end of the connecting rod is fixedly connected to the extrusion plate, and the other end of the connecting rod is located in a groove of the mounting ring.

[0009] Furthermore, the connecting ring is provided with a sealing groove matching the position of the sealing airbag.

[0010] Furthermore, a plurality of groups of limiting grooves are arranged on the connector mother, a rotating ring is rotatably connected inside the connecting ring, and a limiting block matching the size of the limiting grooves is arranged on the rotating ring.

[0011] Furthermore, the auxiliary limiting assembly includes a pull rope, an insertion rod, a second spring component, a positioning block, and a positioning groove. The pull rope is slidably connected in the connector nut, and one end of the pull rope is connected to the positioning rod, the insertion rod is fixedly connected to the connector nut, the positioning groove is arranged on the limiting block, the positioning block is slidably connected in the insertion rod, the second spring component is connected in the insertion rod, and the other end of the second spring component is connected to the positioning block, and the end of the pull rope away from the positioning rod is connected to the positioning block.

[0012] Furthermore, a mounting plate is fixedly connected to the connector nut, and the extrusion airbag is fixedly connected to the mounting plate.

[0013] Furthermore, a connecting tube is connected to the extrusion airbag, and the other end of the connecting tube is communicated with the sealing airbag.

[0014] Furthermore, the pull rope is a metal rope.

[0015] Furthermore, a pull block is fixedly connected to one end of the positioning rod away from the positioning slot, and a guiding inclined surface is arranged on one end of the positioning rod away from the positioning slot.

[0016] After adopting the above technical scheme, the present invention has the following beneficial effects compared with the prior art: the present invention can quickly insert the connecting ring into the slot of the mounting ring, so that the male connector and the female connector can be docked through the positioning rod, so that they are stably connected together. At the same time, through the setting of the sealing component, the gap between the two can be filled to reduce the entry of external water vapor into the interior of the connector. At the same time, through the setting of the auxiliary limit component, the stability of the connection between the male connector and the female connector can be increased, which is convenient for the use of the electric spindle. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In the attached picture: Figure 1 A schematic diagram of the structure of an anti-loosening and quick plug-in device for an electric spindle connector proposed by the present invention; Figure 2 The structure diagram of the wire tube, male connector and female connector in the anti-loosening and quick plug-in device of the electric spindle connector proposed by the present invention Figure 1 ; Figure 3 The structure diagram of the wire tube, male connector and female connector in the anti-loosening and quick plug-in device of the electric spindle connector proposed by the present invention Figure 2 ; Figure 4 This is a schematic structural diagram of a male connector in a device for preventing loosening and quickly plugging in an electric spindle connector proposed by the present invention; Figure 5 It is a schematic cross-sectional structure diagram of a male connector and a female connector in an anti-loosening and quick plug-in device for an electric spindle connector proposed by the present invention after being connected; Figure 6 The invention provides an anti-loosening and quick plug-in device for an electric spindle connector Figure 5 The structural diagram of part A in the figure; Figure 7 The invention provides an anti-loosening and quick plug-in device for an electric spindle connector Figure 6 Schematic diagram of the structure of part B.

[0018] In the figure: 1. electric spindle body; 101. wire tube; 2. female connector; 201. mounting plate; 202. extrusion airbag; 203. extrusion plate; 204. connecting rod; 205. mounting ring; 206. sealing airbag; 207. positioning rod; 208. spring component 1; 301. male connector; 302. connecting ring; 3021. positioning port; 3022. sealing groove; 303. rotating ring; 3031. positioning groove; 401. pull rope; 402. plug rod; 403. spring component 2; 404. positioning block. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. The following embodiments are used to illustrate the present invention but are not used to limit the scope of the present invention.

[0020] Example 1: Reference Figure 1-7, an anti-loosening and quick plug-in device for an electric spindle connector, comprising an electric spindle body 1, a wire tube 101 is fixedly connected to the electric spindle body 1, a connector female 2 is fixedly connected to the wire tube 101, a connector male 301 is connected to the connector female 2, a connecting ring 302 is rotatably connected to the connector male 301, and also comprises: a mounting ring 205, fixedly connected to the connector female 2, a card slot is provided on the mounting ring 205, and the connecting ring 302 can be inserted into the card slot; a positioning rod 207, slidably connected to the mounting ring 205, both ends of the positioning rod 207 pass through the mounting ring 205, and a positioning port 3021 matching the positioning rod 207 is provided on the connecting ring 302; a spring member 208, sleeved on the positioning rod 207, and the two ends of the spring member 208 are respectively connected to the positioning rod 207 and the mounting ring 205; a sealing component, arranged on the connector female 2, and used to seal the gap between the connector female 2 and the connector male 301;The auxiliary limiting component is used to assist in fixing the female connector 2 and the male connector 301. The sealing component includes an extrusion airbag 202, an extrusion plate 203, and a sealing airbag 206. The extrusion airbag 202 is fixedly connected to the female connector 2. The extrusion plate 203 is slidably connected to the female connector 2. The extrusion plate 203 is used to extrude the extrusion airbag 202. The sealing airbag 206 is installed in the mounting ring 205, and the expansion end of the sealing airbag 206 faces the connecting ring 302. The extrusion plate 203 extrudes the extrusion airbag 202, which can make the extrusion airbag 206 2 enters the sealing airbag 206, and then seals the gap between the mounting ring 205 and the connecting ring 302 through the sealing airbag 206. The mounting ring 205 is slidably connected with the connecting rod 204, one end of the connecting rod 204 is fixedly connected to the extrusion plate 203, and the other end of the connecting rod 204 is located in the groove of the mounting ring 205. The connecting ring 302 is provided with a sealing groove 3022 that matches the position of the sealing airbag 206. The connector mother 2 is provided with multiple groups of limit grooves. The connecting ring 302 is rotatably connected with the rotating ring 303. A limit block matching the size of the limit groove is provided on the rotating ring 303, and the auxiliary limit assembly includes a pull rope 401, a plug rod 402, a spring member 403, a positioning block 404, and a positioning groove 3031. The pull rope 401 is slidably connected in the connector mother 2, and one end of the pull rope 401 is connected to the positioning rod 207, the plug rod 402 is fixedly connected to the connector mother 2, the positioning groove 3031 is provided on the limit block, the positioning block 404 is slidably connected in the plug rod 402, the spring member 403 is connected in the plug rod 402, and the spring member 403 is connected in the plug rod 402. 03 is connected to the positioning block 404, and the end of the pull rope 401 away from the positioning rod 207 is connected to the positioning block 404, the connector mother 2 is fixedly connected to the mounting plate 201, the extrusion airbag 202 is fixedly connected to the mounting plate 201, the extrusion airbag 202 is connected to the connecting tube, and the other end of the connecting tube is connected to the sealing airbag 206. The pull rope 401 is a metal rope, and the end of the positioning rod 207 away from the positioning groove 3031 is fixedly connected to the pull block, and the end of the positioning rod 207 away from the positioning groove 3031 is provided with a guiding slope. ;

[0021] When the device is in use, first bring the male connector 301 close to the female connector 2, align the connecting ring 302 with the slot of the mounting ring 205, and quickly push the male connector 301. During the insertion of the connecting ring 302 into the slot, the positioning rod 207 is quickly inserted into the positioning port 3021 on the connecting ring 302 under the action of the spring member 208, so as to achieve rapid and stable docking of the male connector 301 and the female connector 2. When disassembling, pull the pull block at the end of the positioning rod 207 upwards to overcome the elastic force of the spring member 208, and pull the positioning rod 207 out of the positioning port 3021, so as to separate the male connector 301 and the female connector 2; the guiding slope at the end of the positioning rod 207 plays a guiding role when the connecting ring 302 is inserted into the slot, so that the positioning rod 207 can be more smoothly aligned with the positioning port 3021.

[0022] like Figure 5 , Figure 6 As shown, when the male connector 301 is docked with the female connector 2, the connecting ring 302 will squeeze the connecting rod 204 during the insertion process of the slot, and the connecting rod 204 drives the extrusion plate 203 to move, and the extrusion plate 203 squeezes the extrusion airbag 202. The gas in the extrusion airbag 202 enters the sealing airbag 206 through the connecting pipe, and the sealing airbag 206 expands and embeds into the sealing groove 3022 of the connecting ring 302. After the sealing airbag 206 expands, it precisely cooperates with the sealing groove 3022 on the connecting ring 302, further enhancing the sealing effect, preventing water vapor, dust, etc. from entering the interior of the connector from the gap in the seal, and effectively sealing the gap between the mounting ring 205 and the connecting ring 302 to prevent the invasion of external impurities.

[0023] With repeated use of the device, a small amount of gas leakage may occur in the extrusion airbag 202 and the sealing airbag 206 due to various reasons, thus affecting the sealing effect. At this time, a special gas replenishment port, i.e., an inflation nozzle, is provided on the extrusion airbag 202. During the shutdown and maintenance of the electric spindle, the operator can use a matching small inflation device, align the inflation interface with the inflation nozzle reserved for the extrusion airbag 202, start the inflation device, and the outside air is slowly filled into the extrusion airbag 202 after purification and filtration. With the injection of gas, the extrusion airbag 202 is gradually filled and the pressure increases. When the specified pressure value is reached, the inflation is stopped. During the next connection head docking process, the extrusion airbag 202 can smoothly transport the gas to the sealing airbag 206 with sufficient gas volume, thereby maintaining good sealing performance.

[0024] like Figure 5 , Figure 6 As shown, when the male connector 301 is docked with the female connector 2, the limit block on the rotating ring 303 will gradually approach the limit groove on the female connector 2 during the process of inserting the connecting ring 302 into the slot. When the positioning rod 207 is inserted into the positioning port 3021 to complete the initial docking, the rotating ring 303 is slightly rotated and the limit block can be embedded in the limit groove, thereby further limiting the relative rotation between the male connector 301 and the female connector 2 and enhancing the connection stability.

[0025] Finally Figure 6 , Figure 7As shown, when the positioning rod 207 is inserted into the positioning port 3021, the pull rope 401 will be pulled, and the pull rope 401 drives the positioning block 404 to slide in the insertion rod 402 to overcome the elastic force of the spring member 2 403. When the positioning rod 207 is completely inserted into the positioning port 3021, the positioning block 404 is bounced into the positioning groove 3031 of the upper limit block of the rotating ring 303 under the action of the spring member 2 403, further locking the male connector 301 and the female connector 2 to prevent the two from loosening due to external forces such as vibration. At the same time, the pull rope 401 is made of metal rope, and the metal rope has the characteristics of high strength and is not easy to deform and break, so as to ensure that during the pulling process of the positioning block 404, the pull rope 401 can stably transmit the pulling force, so that the auxiliary limit assembly can operate reliably.

[0026] Example 2: Reference Figure 1-7 , an anti-loosening and quick plug-in device for an electric spindle connector, which is basically the same as the embodiment, and further: an external thread is arranged on the female connector 2, a connecting ring 302 is rotatably connected to the male connector 301, and the connecting ring 302 is threadedly connected to the external thread.

[0027] In the straight-insertion mode in the embodiment, the device can also be connected by a threaded mode. At this time, an external thread is set on the connector female 2, and the connecting ring 302 is installed on the connector female 2 by rotating the thread on the connecting ring 302. As the connecting ring 302 is inserted into the slot, the positioning rod 207 is quickly inserted into the positioning port 3021 on the connecting ring 302 under the action of the spring member 208, so as to realize the rapid and stable docking of the connector male 301 and the connector female 2. When disassembling, the pull block at the end of the positioning rod 207 is pulled upward to overcome the elastic force of the spring member 208, and the positioning rod 207 is pulled out from the positioning port 3021, so as to separate the connector male 301 and the connector female 2. Then, the threaded mode will be more stable at this time, further ensuring the stability of the connection. However, this mode abandons the straight-insertion mode and adopts a threaded auxiliary connection mode.

[0028] At the same time, when the male connector 301 is docked with the female connector 2, the connecting ring 302 will squeeze the connecting rod 204 during the insertion process of the slot, and the connecting rod 204 will drive the extrusion plate 203 to move, and the extrusion plate 203 will squeeze the extrusion airbag 202. The gas in the extrusion airbag 202 enters the sealing airbag 206 through the connecting pipe, and the sealing airbag 206 expands and embeds into the sealing groove 3022 of the connecting ring 302. After the sealing airbag 206 expands, it precisely cooperates with the sealing groove 3022 on the connecting ring 302, further enhancing the sealing effect, preventing water vapor, dust, etc. from entering the interior of the connector from the gap in the seal, and effectively sealing the gap between the mounting ring 205 and the connecting ring 302 to prevent the invasion of external impurities.

[0029] With repeated use of the device, a small amount of gas leakage may occur in the extrusion airbag 202 and the sealing airbag 206 due to various reasons, thus affecting the sealing effect. At this time, a special gas replenishment port, i.e., an inflation nozzle, is provided on the extrusion airbag 202. During the shutdown and maintenance of the electric spindle, the operator can use a matching small inflation device, align the inflation interface with the inflation nozzle reserved for the extrusion airbag 202, start the inflation device, and the outside air is slowly filled into the extrusion airbag 202 after purification and filtration. With the injection of gas, the extrusion airbag 202 is gradually filled and the pressure increases. When the specified pressure value is reached, the inflation is stopped. During the next connection head docking process, the extrusion airbag 202 can smoothly transport the gas to the sealing airbag 206 with sufficient gas volume, thereby maintaining good sealing performance.

[0030] When the male connector 301 is docked with the female connector 2, the limit block on the rotating ring 303 will gradually approach the limit groove on the female connector 2 during the process of inserting the connecting ring 302 into the slot. When the positioning rod 207 is inserted into the positioning port 3021 to complete the initial docking, the rotating ring 303 is slightly rotated and the limit block can be embedded in the limit groove, further limiting the relative rotation between the male connector 301 and the female connector 2, thereby enhancing the connection stability.

[0031] Finally Figure 6 , Figure 7 As shown, when the positioning rod 207 is inserted into the positioning port 3021, the pull rope 401 will be pulled, and the pull rope 401 drives the positioning block 404 to slide in the insertion rod 402 to overcome the elastic force of the spring member 2 403. When the positioning rod 207 is completely inserted into the positioning port 3021, the positioning block 404 is bounced into the positioning groove 3031 of the upper limit block of the rotating ring 303 under the action of the spring member 2 403, further locking the male connector 301 and the female connector 2 to prevent the two from loosening due to external forces such as vibration. At the same time, the pull rope 401 is made of metal rope, and the metal rope has the characteristics of high strength and is not easy to deform and break, so as to ensure that during the pulling process of the positioning block 404, the pull rope 401 can stably transmit the pulling force, so that the auxiliary limit assembly can operate reliably.

[0032] The present invention can quickly insert the connecting ring 302 into the slot of the mounting ring 205, and then the male connector 301 and the female connector 2 can be docked through the positioning rod 207, so that they are stably connected together. At the same time, through the setting of the sealing component, the gap between the two can be filled to reduce the entry of external water vapor into the interior of the connector. At the same time, through the setting of the auxiliary limiting component, the stability of the connection between the male connector 301 and the female connector 2 can be increased, which is convenient for the use of the electric spindle.

[0033] The above is only a preferred embodiment of the present invention, and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technician familiar with the present invention can make some changes or modify the technical contents suggested above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention without departing from the content of the technical solution of the present invention still fall within the scope of the solution of the present invention.

Claims

1. An anti-loosening and quick plug-in device for an electric spindle connector, comprising an electric spindle body (1), a wire tube (101) fixedly connected to the electric spindle body (1), a female connector (2) fixedly connected to the wire tube (101), a male connector (301) connected to the female connector (2), and a connecting ring (302) connected to the male connector (301), characterized in that: Also includes: A mounting ring (205) is fixedly connected to the female connector (2), the mounting ring (205) being provided with a slot into which the connecting ring (302) can be inserted; a positioning rod (207) is slidably connected to the mounting ring (205), both ends of the positioning rod (207) pass through the mounting ring (205), and the connecting ring (302) is provided with a positioning opening (3021) matching the positioning rod (207); a spring member (208) is sleeved on the positioning rod (207), the two ends of the spring member (208) being respectively connected to the positioning rod (207) and the mounting ring (205); a sealing assembly is provided on the female connector (2) and used for sealing a gap between the female connector (2) and the male connector (301); and an auxiliary limiting assembly is used for auxiliary fixing of the female connector (2) and the male connector (301).

2. The anti-loosening and quick plug-in device for an electric spindle connector according to claim 1, characterized in that: The sealing assembly comprises an extrusion airbag (202), an extrusion plate (203), and a sealing airbag (206); the extrusion airbag (202) is fixedly connected to the connector mother (2); the extrusion plate (203) is slidably connected to the connector mother (2); and the extrusion plate (203) is used to extrude the extrusion airbag (202); the sealing airbag (206) is installed in the mounting ring (205), and the expansion end of the sealing airbag (206) faces the connecting ring (302); the extrusion airbag (202) is squeezed by the extrusion plate (203), so that the gas in the extrusion airbag (202) can enter the sealing airbag (206), and then the gap between the mounting ring (205) and the connecting ring (302) is sealed by the sealing airbag (206).

3. The anti-loosening and quick plug-in device for an electric spindle connector according to claim 2, characterized in that: A connecting rod (204) is slidably connected inside the mounting ring (205), one end of the connecting rod (204) is fixedly connected to the extrusion plate (203), and the other end of the connecting rod (204) is located in a groove of the mounting ring (205).

4. The anti-loosening and quick plug-in device for an electric spindle connector according to claim 3, characterized in that: The connection ring (302) is provided with a sealing groove (3022) that matches the position of the sealing airbag (206).

5. The anti-loosening and quick plug-in device for an electric spindle connector according to claim 1, characterized in that: The connector mother (2) is provided with a plurality of groups of limit grooves, a rotating ring (303) is rotatably connected inside the connecting ring (302), and a limit block matching the size of the limit grooves is provided on the rotating ring (303).

6. The anti-loosening and quick plug-in device for an electric spindle connector according to claim 5, characterized in that: The auxiliary limiting assembly comprises a pull rope (401), an insertion rod (402), a second spring component (403), a positioning block (404), and a positioning groove (3031); the pull rope (401) is slidably connected in the connector mother (2), and one end of the pull rope (401) is connected to the positioning rod (207); the insertion rod (402) is fixedly connected to the connector mother (2); the positioning groove (3031) is arranged on the limiting block; the positioning block (404) is slidably connected in the insertion rod (402); the second spring component (403) is connected in the insertion rod (402), and the other end of the second spring component (403) is connected to the positioning block (404); and one end of the pull rope (401) away from the positioning rod (207) is connected to the positioning block (404).

7. The anti-loosening and quick plug-in device for an electric spindle connector according to claim 2, characterized in that: The connector mother (2) is fixedly connected to a mounting plate (201), and the extrusion airbag (202) is fixedly connected to the mounting plate (201).

8. The anti-loosening and quick plug-in device for an electric spindle connector according to claim 7, characterized in that: The extrusion airbag (202) is connected to a connecting tube, and the other end of the connecting tube is in communication with the sealing airbag (206).

9. The anti-loosening and quick plug-in device for an electric spindle connector according to claim 6, characterized in that: The pull rope (401) is a metal rope.

10. The anti-loosening and quick plug-in device for an electric spindle connector according to claim 1, characterized in that: A pull block is fixedly connected to one end of the positioning rod (207) away from the positioning groove (3031), and a guiding inclined surface is provided on one end of the positioning rod (207) away from the positioning groove (3031).

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