Programmable hydraulic tailstock

Abstract

The utility model relates to the field of hydraulic tail seats, in particular to a programmable hydraulic tail seat which comprises a tail seat body, the bottom end of a tail seat sleeve is connected with the top end of the tail seat body, a tail seat rear cover plate is connected to one end of the tail seat sleeve, one end of a tail seat end cover is connected with one end of the tail seat sleeve, and a rotary ejector pin is connected with the top end of the tail seat end cover. The top end of the piston barrel is connected with the bottom end of the tailstock body, the hydraulic cylinder piston rod is arranged in the piston barrel, one end of the tailstock hydraulic cylinder fixing plate is connected with the hydraulic cylinder piston rod, and the sensor connecting plate is connected with the tailstock hydraulic cylinder. The electromagnetic telescopic column is embedded into the sliding rail; one end of the hydraulic fixing support is connected with the bottom end of the hydraulic cylinder front seat, the bottom end of the hydraulic cylinder barrel is connected with the other end of the hydraulic fixing support, and the hydraulic cylinder rear seat is connected with the top end of the hydraulic cylinder barrel. And the displacement sensor is arranged on one side of the piston rod of the hydraulic cylinder. The stop timeliness of the programmable hydraulic tailstock is improved.

Description

Technical Field

[0001] The utility model relates to the field of hydraulic tailstock, in particular to a programmable hydraulic tailstock. Background Art

[0002] The programmable hydraulic tailstock is an advanced equipment component that integrates hydraulic technology and programmable control technology. It is usually used in precision machining equipment such as CNC machine tools to achieve stable support and precise control of the tail of the workpiece. The displacement sensor is a sensor used to measure the linear displacement of an object. It can convert the displacement of an object into an electrical signal, thereby achieving accurate monitoring and control of the object's position.

[0003] Chinese patent application publication number: CN219966465U discloses a programmable hydraulic tailstock mechanism, which includes a bed, a linear guide rail is provided on the surface of the bed, a tailstock body moving back and forth along the linear guide rail is provided, a notch is provided at the bottom of the tailstock body, an encoder is installed at the bed in the forward direction of the tailstock body and corresponding to the notch, a gear is installed on the encoder, and a rack meshing with the gear is installed on the inner edge of the tailstock body corresponding to the notch; a through hole is opened on the upper part of the tailstock body, a tailstock cylinder bracket is fixed at the end of the bed, a hydraulic cylinder extending into the through hole is connected to the top of the tailstock cylinder bracket, a floating joint is connected to the front end of the hydraulic cylinder, and the floating joint is limited on the tailstock body by screws. However, there are the following problems in the prior art: the prior art does not consider the displacement sensor being affected by environmental factors and other factors in the construction of the programmable hydraulic tailstock mechanism, resulting in inaccurate monitoring of the hydraulic tailstock moving distance, resulting in the hydraulic tailstock being unable to stop in time. Utility Model Content

[0004] To this end, the utility model provides a programmable hydraulic tailstock to overcome the problem that the prior art does not consider the influence of environmental factors on the displacement sensor in the structure of the programmable hydraulic tailstock mechanism, resulting in inaccurate monitoring of the hydraulic tailstock movement distance, resulting in the hydraulic tailstock being unable to stop in time.

[0005] To achieve the above object, the utility model provides a programmable hydraulic tailstock, comprising:

[0006] Tailstock body;

[0007] A driving assembly is arranged at the lower part of the tailstock body, comprising a hydraulic cylinder piston rod, a piston barrel, a tailstock hydraulic cylinder fixing plate and a sensor connecting plate, wherein the top end of the piston barrel is sealed against the bottom end of the tailstock body, the hydraulic cylinder piston rod is arranged inside the piston barrel, one end of the tailstock hydraulic cylinder fixing plate is connected to the hydraulic cylinder piston rod through a nut, and the sensor connecting plate is fixedly connected to the end of the tailstock hydraulic cylinder fixing plate away from the hydraulic cylinder piston rod;

[0008] A sliding assembly is arranged at the lower part of the hydraulic assembly, and comprises a tailstock upper gasket and a sliding block, wherein the top end of the tailstock upper gasket is sealingly abutted against the bottom end of the piston cylinder, and the top end of the sliding block is sealingly abutted against the bottom end of the tailstock upper gasket;

[0009] A guide assembly, which is arranged at the lower part of the slider assembly, comprises a slide rail and an electromagnetic telescopic column, wherein the top end of the slide rail is slidably connected to the bottom end of the slider, the electromagnetic telescopic column is embedded in the slide rail, and the electromagnetic telescopic column is used to limit the movement of the tailstock body;

[0010] A hydraulic assembly, which is arranged on the side of the tailstock body close to the piston cylinder, one end of the hydraulic assembly is connected to the piston rod of the hydraulic cylinder, and is used to drive the tailstock body to move along the slide rail;

[0011] The displacement sensor is arranged on a side of the hydraulic cylinder piston rod close to the sensor connecting plate.

[0012] Furthermore, it also includes a pin assembly, which is arranged on the upper part of the tailstock body, including a tailstock sleeve, a tailstock rear cover plate, a tailstock end cover and a rotary pin. The bottom end of the tailstock sleeve is fixedly connected to the top end of the tailstock body, the tailstock rear cover plate is fixedly connected to one end of the tailstock sleeve, one end of the tailstock end cover is sealed and abutted against one end of the tailstock sleeve away from the tailstock rear cover plate, and the rotary pin is fixedly connected to the top end of the tailstock end cover.

[0013] Furthermore, the hydraulic assembly includes a hydraulic cylinder front seat, a hydraulic fixed support, a hydraulic cylinder barrel and a hydraulic cylinder rear seat, the top of the hydraulic cylinder front seat is connected to one end of the piston barrel, one end of the hydraulic fixed support is connected to the bottom end of the hydraulic cylinder front seat, the bottom end of the hydraulic cylinder barrel is connected to the other end of the hydraulic fixed support, and the hydraulic cylinder rear seat is fixedly connected to the top of the hydraulic cylinder barrel.

[0014] Furthermore, the type of the nut is a flank-type locking nut.

[0015] Furthermore, the type of the displacement sensor is a laser displacement sensor or an ultrasonic displacement sensor.

[0016] Furthermore, the rotary ejector is a Morse type rotary ejector or an umbrella type rotary ejector.

[0017] Furthermore, the tailstock body is made of cast iron.

[0018] Furthermore, a tailstock cover plate is arranged on the side of the tailstock body, and a numerical control panel is also arranged on the tailstock cover plate.

[0019] Furthermore, a numerical control panel is respectively connected to the electromagnetic telescopic column, the hydraulic cylinder piston rod, the rotary ejector and the displacement sensor, and controls the displacement sensor to open in response to a first preset distance, controls the hydraulic cylinder piston rod to move and keeps the electromagnetic telescopic column in a closed state.

[0020] Further, the numerical control panel controls the electromagnetic telescopic column and the rotary ejector to open and the hydraulic cylinder piston rod to stop moving in response to the second preset distance.

[0021] Compared with the prior art, the utility model has the beneficial effect that, by integrating the ejector assembly, hydraulic assembly, sliding assembly, guide assembly and hydraulic assembly, the synergistic effect of the displacement sensor and the electromagnetic telescopic column, the precise control of the electromagnetic telescopic column avoids the situation where the programmable hydraulic tailstock fails to stop in time and exceeds the processing position when the displacement sensor fails to accurately measure the moving distance of the hydraulic tailstock, thereby improving the timeliness of stopping the programmable hydraulic tailstock.

[0022] Furthermore, the utility model improves the stability and reliability of signal transmission by arranging a displacement sensor connected to a sensor connecting plate.

[0023] Furthermore, the utility model enhances the stability of the connection and improves the safety and stability of the structure by adopting a thread-flank type locking nut.

[0024] Furthermore, the utility model adopts cast iron material for the tailstock body, thereby improving durability and load-bearing capacity while facilitating the adsorption of the electromagnetic telescopic column.

[0025] Furthermore, the utility model provides a cover plate on the side of the tailstock body to protect the internal structure from damage, thereby enhancing the protectiveness of the tailstock body. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a front view structural diagram of a programmable hydraulic tailstock according to an embodiment of the utility model;

[0027] Figure 2 This is a rear view structural diagram of a programmable hydraulic tailstock according to an embodiment of the utility model;

[0028] Figure 3 This is a schematic diagram of the top view of the programmable hydraulic tailstock according to an embodiment of the utility model;

[0029] Figure 4 It is a partial enlarged schematic diagram of the gasket on the tailstock of the embodiment of the utility model;

[0030] Figure 5 This is a schematic diagram of the working process of the programmable hydraulic tailstock according to the embodiment of the utility model;

[0031] In the figure, 1, tailstock body; 201, tailstock sleeve; 202, tailstock rear cover; 203, tailstock end cover; 204, rotary ejector; 301, hydraulic cylinder piston rod; 302, piston barrel; 303, tailstock hydraulic cylinder fixing plate; 304, sensor connecting plate; 305, nut; 401, tailstock upper gasket; 402, slider; 501, slide rail; 502, electromagnetic telescopic column; 601, hydraulic cylinder front seat; 602, hydraulic fixing bracket; 603, hydraulic cylinder barrel; 604, hydraulic cylinder rear seat; 7, displacement sensor; 8, tailstock cover; 9, CNC panel. DETAILED DESCRIPTION

[0032] In order to make the purpose, features and advantages of the utility model more obvious and easy to understand, the technical solutions in the embodiments of the utility model are described clearly and completely. Obviously, the embodiments described below are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] It should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the embodiments of the utility model and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the embodiments of the utility model.

[0034] In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0035] In the description of the embodiments of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific circumstances.

[0036] See also Figure 1-Figure 4 , Figure 1 This is a front view structural diagram of a programmable hydraulic tailstock according to an embodiment of the utility model; Figure 2 This is a rear view structural diagram of a programmable hydraulic tailstock according to an embodiment of the utility model; Figure 3This is a schematic diagram of the top view of the programmable hydraulic tailstock according to an embodiment of the utility model; Figure 4 It is a partial enlarged schematic diagram of the gasket on the tailstock of the embodiment of the utility model; Figure 5 The figure is a schematic diagram of the working process of the programmable hydraulic tailstock according to the embodiment of the utility model.

[0037] An embodiment of the utility model provides a programmable hydraulic tailstock, comprising:

[0038] Tailstock body 1,

[0039] An ejector assembly is arranged on the upper part of the tailstock body 1, and comprises a tailstock sleeve 201, a tailstock rear cover plate 202, a tailstock end cover 203 and a rotary ejector 204. The bottom end of the tailstock sleeve 201 is fixedly connected to the top end of the tailstock body 1, the tailstock rear cover plate 202 is fixedly connected to one end of the tailstock sleeve 201, one end of the tailstock end cover 203 is sealed and abutted against one end of the tailstock sleeve 201 away from the tailstock rear cover plate 202, and the rotary ejector 204 is fixedly connected to the top end of the tailstock end cover 203;

[0040] A driving assembly is arranged at the lower part of the tailstock body 1, and includes a hydraulic cylinder piston rod 301, a piston cylinder 302, a tailstock hydraulic cylinder fixing plate 303 and a sensor connecting plate 304. The top end of the piston cylinder 302 is sealed against the bottom end of the tailstock body 1, the hydraulic cylinder piston rod 301 is arranged inside the piston cylinder 302, one end of the tailstock hydraulic cylinder fixing plate 303 is connected to the hydraulic cylinder piston rod 301 through a nut 305, and the sensor connecting plate 304 is fixedly connected to the end of the tailstock hydraulic cylinder fixing plate 303 away from the hydraulic cylinder piston rod 301;

[0041] The sliding assembly is arranged at the lower part of the hydraulic assembly, and comprises a tailstock upper gasket 401 and a slider 402. The top end of the tailstock upper gasket 401 is sealed against the bottom end of the piston cylinder 302, and the top end of the slider 402 is sealed against the bottom end of the tailstock upper gasket 401.

[0042] A guide assembly, which is arranged at the lower part of the slider 402 assembly, comprises a slide rail 501 and an electromagnetic telescopic column 502, wherein the top end of the slide rail 501 is slidably connected to the bottom end of the slider 402, and the electromagnetic telescopic column 502 is embedded in the slide rail 501;

[0043] A hydraulic assembly is arranged at the side of the tailstock body 1 near the piston cylinder 302, and includes a hydraulic cylinder front seat 601, a hydraulic fixing bracket 602, a hydraulic cylinder barrel 603 and a hydraulic cylinder rear seat 604, wherein the top of the hydraulic cylinder front seat 601 is connected to one end of the piston cylinder 302, one end of the hydraulic fixing bracket 602 is connected to the bottom of the hydraulic cylinder front seat 601, the bottom end of the hydraulic cylinder barrel 603 is connected to the other end of the hydraulic fixing bracket 602, and the hydraulic cylinder rear seat 604 is fixedly connected to the top of the hydraulic cylinder barrel 603;

[0044] The displacement sensor 7 is arranged on a side of the hydraulic cylinder piston rod 301 close to the sensor connecting plate 304 .

[0045] Specifically, the type of the nut 305 is a flank-type locking nut.

[0046] Specifically, the displacement sensor 7 is a laser displacement sensor or an ultrasonic displacement sensor.

[0047] Specifically, the rotary ejector 204 is a Morse rotary ejector or an umbrella-shaped rotary ejector.

[0048] Specifically, the tailstock body 1 is made of cast iron.

[0049] Specifically, a tailstock cover plate 8 is disposed on the side of the tailstock body 1 , and a numerical control panel 9 is also disposed on the tailstock cover plate 8 .

[0050] Specifically, the CNC panel 9 is respectively connected to the electromagnetic telescopic column 502, the hydraulic cylinder piston rod 301, the rotary ejector 204 and the displacement sensor 7, and controls the displacement sensor 7 to open in response to the first preset distance, controls the hydraulic cylinder piston rod 301 to move, and keeps the electromagnetic telescopic column 502 in a closed state.

[0051] Specifically, the numerical control panel 9 controls the electromagnetic telescopic column 502 and the rotary ejector 204 to open and the hydraulic cylinder piston rod 301 to stop moving in response to the second preset distance.

[0052] The working process of the utility model is as follows: at a first preset distance, the numerical control panel 9 controls the displacement sensor 7 to open and controls the hydraulic cylinder piston rod 301 to move, the electromagnetic telescopic column 502 is in a closed state, the numerical control panel 9 drives the slider 402 to slide arbitrarily on the slide rail 501 by controlling the movement of the hydraulic cylinder piston rod 301, and the displacement sensor 7 detects the distance moved by the tailstock body 1 while the hydraulic cylinder piston rod 301 moves; the numerical control panel 9 controls the electromagnetic telescopic column 502 and the rotary ejector 204 to open and the hydraulic cylinder piston rod 301 to stop moving in response to the second preset distance, when the hydraulic cylinder piston rod 301 stops moving, the rotary ejector 204 is opened to process the workpiece, and the electromagnetic telescopic column 502 is opened to intercept the slider 402. It can be understood that the first preset distance is the distance between the tailstock body and the displacement sensor, and the second preset distance is the distance between the displacement sensor and the processing position.

[0053] For those skilled in the art, according to the concept of the embodiments of the utility model, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting the utility model.

Claims

1. A programmable hydraulic tailstock, characterized in that: include: Tailstock body; A driving assembly is arranged at the lower part of the tailstock body, comprising a hydraulic cylinder piston rod, a piston barrel, a tailstock hydraulic cylinder fixing plate and a sensor connecting plate, wherein the top end of the piston barrel is sealed against the bottom end of the tailstock body, the hydraulic cylinder piston rod is arranged inside the piston barrel, one end of the tailstock hydraulic cylinder fixing plate is connected to the hydraulic cylinder piston rod through a nut, and the sensor connecting plate is fixedly connected to the end of the tailstock hydraulic cylinder fixing plate away from the hydraulic cylinder piston rod; A sliding assembly is arranged at the lower part of the hydraulic assembly, and comprises a tailstock upper gasket and a sliding block, wherein the top end of the tailstock upper gasket is sealingly abutted against the bottom end of the piston cylinder, and the top end of the sliding block is sealingly abutted against the bottom end of the tailstock upper gasket; A guide assembly, which is arranged at the lower part of the slider assembly, comprises a slide rail and an electromagnetic telescopic column, wherein the top end of the slide rail is slidably connected to the bottom end of the slider, the electromagnetic telescopic column is embedded in the slide rail, and the electromagnetic telescopic column is used to limit the movement of the tailstock body; A hydraulic assembly, which is arranged on the side of the tailstock body close to the piston cylinder, one end of the hydraulic assembly is connected to the piston rod of the hydraulic cylinder, and is used to drive the tailstock body to move along the slide rail; The displacement sensor is arranged on a side of the hydraulic cylinder piston rod close to the sensor connecting plate.

2. The programmable hydraulic tailstock according to claim 1, characterized in that: It also includes an ejector assembly, which is arranged on the upper part of the tailstock body, including a tailstock sleeve, a tailstock rear cover plate, a tailstock end cover and a rotary ejector, the bottom end of the tailstock sleeve is fixedly connected to the top end of the tailstock body, the tailstock rear cover plate is fixedly connected to one end of the tailstock sleeve, one end of the tailstock end cover is sealed and abutted against one end of the tailstock sleeve away from the tailstock rear cover plate, and the rotary ejector is fixedly connected to the top end of the tailstock end cover.

3. The programmable hydraulic tailstock according to claim 1, characterized in that: The hydraulic assembly includes a hydraulic cylinder front seat, a hydraulic fixed support, a hydraulic cylinder barrel and a hydraulic cylinder rear seat. The top of the hydraulic cylinder front seat is connected to one end of the piston barrel, one end of the hydraulic fixed support is connected to the bottom end of the hydraulic cylinder front seat, the bottom end of the hydraulic cylinder barrel is connected to the other end of the hydraulic fixed support, and the hydraulic cylinder rear seat is fixedly connected to the top of the hydraulic cylinder barrel.

4. The programmable hydraulic tailstock according to claim 1, characterized in that: The type of the nut is a flank type locking nut.

5. The programmable hydraulic tailstock according to claim 1, characterized in that: The type of the displacement sensor is a laser displacement sensor or an ultrasonic displacement sensor.

6. The programmable hydraulic tailstock according to claim 2, characterized in that: The rotary ejector pin is of a Morse type or an umbrella type.

7. The programmable hydraulic tailstock according to claim 1, characterized in that: The tailstock body is made of cast iron.

8. The programmable hydraulic tailstock according to claim 1, characterized in that: A tailstock cover is arranged on the side of the tailstock body, and a numerical control panel is also arranged on the tailstock cover.

9. The programmable hydraulic tailstock according to claim 1, characterized in that: The numerical control panel is respectively connected to the electromagnetic telescopic column, the hydraulic cylinder piston rod, the rotary ejector and the displacement sensor, and controls the displacement sensor to open in response to a first preset distance, controls the hydraulic cylinder piston rod to move and keeps the electromagnetic telescopic column in a closed state.

10. The programmable hydraulic tailstock according to claim 9, characterized in that: The numerical control panel controls the electromagnetic telescopic column and the rotary ejector to open and the hydraulic cylinder piston rod to stop moving in response to the second preset distance.

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