External oil cylinder tailstock of numerical control machine tool

Abstract

The utility model relates to the technical field of numerical control machine tools, in particular to an external oil cylinder tailstock of a numerical control machine tool, which comprises a fixing plate, a tailstock body is mounted on the upper surface of the fixing plate, a tailstock sleeve is fixedly connected to the inner wall of the tailstock body, and a tip is detachably mounted in the tailstock sleeve. An oil cylinder connecting plate is fixedly connected to the side, away from the center, of the tailstock body, an oil cylinder body is detachably installed on the side, away from the tailstock body, of the oil cylinder connecting plate, a positioning device is arranged on the surface of the oil cylinder connecting plate and comprises a supporting plate, and the supporting plate is fixedly connected to the lower surface of the oil cylinder connecting plate. According to the utility model, the problem that the oil cylinder body is relatively complicated to mount due to the fact that the oil cylinder body and the oil cylinder connecting plate are generally connected through bolts and the oil cylinder body needs to be supported by a maintainer and controlled to be positioned at the same time when the oil cylinder body is mounted is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to numerical control machine tool technical field especially, relates to a numerical control machine tool external oil cylinder tailstock. BACKGROUND

[0002] Numerical control machine tool is a kind of automatic equipment using digital information to control machine tool movement and processing process, it issues control signal by the code or other symbolic instruction program written, controls machine tool to automatically process parts according to specified size and shape, in order to better support and clamp the workpiece to be processed, oil cylinder tailstock is usually needed to be installed on numerical control machine tool.

[0003] One Chinese patent with publication number CN218192601U discloses a built-in hydraulic tailstock for lathe, and its technical scheme points are: including tailstock body, the active cavity is opened between the both ends of tailstock body, one end of the inner wall of active cavity is slidably connected with mandrel, one end of mandrel extends to the outside of tailstock body through active cavity and tailstock body, and the other end of mandrel located outside active cavity is provided with a center component, the other end of the inner wall of active cavity is fixedly connected with tailstock oil cylinder, one end of tailstock oil cylinder extends to the outside of tailstock body, and the utility model relates to the technical field of lathe tailstock. The built-in hydraulic tailstock for lathe, through tailstock oil cylinder, the whole is buried in tailstock body, i.e. a part of the outer wall of the body as cylinder body, it is convenient to adapt to the restriction of lathe space, and it is convenient to install and run, saves space, driving support is compact, stress is uniform, structure is simple and easy to control, and at the same time, through the setting of tailstock travel adjusting rear cover, the travel of center body can be adjusted, and the degree of automation is improved.

[0004] The existing related technology often has the following defects: during the maintenance process of the external oil cylinder tailstock of numerical control machine tool, the oil cylinder body often needs to be disassembled and installed, since the oil cylinder body and the oil cylinder connecting plate are usually connected by bolts, when installing the oil cylinder body, the maintenance personnel need to hold and control the position of the oil cylinder body for positioning, so that the installation of the oil cylinder body is relatively complex.

[0005] Therefore, the utility model provides a numerical control machine tool external oil cylinder tailstock. UTILITY MODEL CONTENTS

[0006] The utility model aims at solving the shortcomings in the prior art that the oil cylinder body and the oil cylinder connecting plate are usually connected by bolts, so that when installing the oil cylinder body, the maintenance personnel need to hold and control the position of the oil cylinder body for positioning, leading to relatively complex installation of the oil cylinder body, and provides a numerical control machine tool external oil cylinder tailstock.

[0007] In order to achieve the above object, the utility model discloses the following technical scheme: a numerical control machine tool external oil cylinder tailstock, including fixed plate, the upper surface of fixed plate is installed with tailstock body, the inner wall fixed connection of tailstock body has tailstock sleeve, the inside detachable mounting of tailstock sleeve has a centre, the side fixed connection of tailstock body away from centre has oil cylinder connecting plate, the side detachable mounting of oil cylinder connecting plate away from tailstock body has oil cylinder body, the surface of oil cylinder connecting plate is equipped with positioning device, the positioning device includes the supporting plate, the lower surface of oil cylinder connecting plate is fixedly connected with the supporting plate, both sides of supporting plate are fixedly connected with side positioning plate, the side fixed connection of side positioning plate away from oil cylinder body has arc plate.

[0008] The effect of the above components is that the supporting plate and the side positioning plate can position the oil cylinder body and the oil cylinder connecting plate during connection.

[0009] Preferably, the upper surface of the oil cylinder body is provided with two horizontal plates, and the inner wall of the horizontal plate is slidably connected with a limiting rod.

[0010] The effect of the above components is that the horizontal plate can install the limiting rod, and the horizontal plate and the limiting rod can limit the position of the oil cylinder body.

[0011] Preferably, the upper surface of the arc plate is fixedly connected with a threaded rod, the surface of the threaded rod is sleeved with a rotating plate, the threaded rod is threadedly inserted into the inner wall of the rotating plate, and the rotating plate is fixedly connected with the horizontal plate.

[0012] The effect of the above components is that the threaded rod can rotate the rotating plate and limit the rotation of the rotating plate.

[0013] Preferably, one end of the limiting rod away from the horizontal plate is fixedly connected with a top plate, the surface of the limiting rod is sleeved with a spring, and both ends of the spring are fixedly connected with the top plate and the horizontal plate.

[0014] The effect of the above components is that the top plate can install the spring and facilitate the movement of the limiting rod, and the spring and the top plate can limit the position of the limiting rod.

[0015] Preferably, one side of the fixed plate close to the tailstock body is provided with an adjusting device, the adjusting device includes two "L" type plates, both "L" type plates are fixedly connected with the surface of the tailstock body, the lower surfaces of both "L" type plates are fixedly connected with telescopic cylinders, and the output end of the telescopic cylinder is fixedly connected with the fixed plate.

[0016] The effects achieved by the above components are that the telescopic air cylinder is connected with the tail seat body through the "L"-shaped plate, and the position of the tail seat body is adjusted through the telescopic air cylinder.

[0017] Preferably, the telescopic air cylinder is sleeved with a stabilizing plate, the stabilizing plate is fixedly connected with the fixing plate, two limiting plates are fixedly connected on the two sides of the tail seat body, square rods are slidably connected on the inner walls of the two limiting plates, and the square rods are fixedly connected with the fixing plate.

[0018] The effects achieved by the above components are that the telescopic air cylinder is sleeved with a stabilizing plate, the stabilizing plate is fixedly connected with the fixing plate, two limiting plates are fixedly connected on the two sides of the tail seat body, square rods are slidably connected on the inner walls of the two limiting plates, and the square rods are fixedly connected with the fixing plate.

[0019] Preferably, the telescopic air cylinder is sleeved with a stabilizing plate, the stabilizing plate is fixedly connected with the fixing plate, two limiting plates are fixedly connected on the two sides of the tail seat body, square rods are slidably connected on the inner walls of the two limiting plates, and the square rods are fixedly connected with the fixing plate.

[0020] The effects achieved by the above components are that the telescopic air cylinder is sleeved with a stabilizing plate, the stabilizing plate is fixedly connected with the fixing plate, two limiting plates are fixedly connected on the two sides of the tail seat body, square rods are slidably connected on the inner walls of the two limiting plates, and the square rods are fixedly connected with the fixing plate.

[0021] In summary:

[0022] 1. In the utility model, through the setting of the positioning device, when the oil cylinder body is installed, the side positioning plate and the supporting plate are used to position the oil cylinder body, and the position of the oil cylinder body is limited by the limiting rod, the oil cylinder connecting plate, the supporting plate and the side positioning plate, so that the oil cylinder body is conveniently installed.

[0023] 2. In the utility model, through the setting of the adjusting device, when the oil cylinder tail seat is installed, the position of the tail center is adjusted by the telescopic air cylinder, and the stability of the tail seat body during the adjustment of the position of the tail seat body and the support of the tail seat body is improved by the setting of the slide bar, the limiting block, the limiting plate and the square rod. DRAWINGS

[0024] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0025] Figure 2 It is another angle structure schematic view of the utility model;

[0026] Figure 3 It is another angle structure schematic view of the utility model; Figure 1 It is a local structure schematic view of the positioning device;

[0027] Figure 4 The utility model discloses Figure 2 Local structure schematic diagram at adjusting device.

[0028] Illustration: 1, fixed plate, 2, tailstock body, 3, centre, 4, tailstock sleeve, 5, oil cylinder connecting plate, 6, oil cylinder body, 7, positioning device, 71, supporting plate, 72, side locating plate, 73, arc plate, 74, threaded rod, 75, rotating plate, 76, cross plate, 77, limiting rod, 78, top plate, 79, spring, 8, adjusting device, 81, " L " type plate, 82, telescopic air cylinder, 83, stabilizing plate, 84, limiting plate, 85, square rod, 86, slide bar, 87, limiting block. DETAILED DESCRIPTION

[0029] Referring to Figure 1 As shown in the utility model provides a technical scheme: a kind of numerical control machine tool external oil cylinder tailstock, fixed plate 1 is installed on the upper surface of fixed plate 1 and is equipped with tailstock body 2, the inner wall of tailstock body 2 is fixedly connected with tailstock sleeve 4, tailstock sleeve 4 is detachably installed with centre 3 in the inside, tailstock body 2 is fixedly connected with oil cylinder connecting plate 5 on the side away from centre 3, oil cylinder connecting plate 5 is detachably installed with oil cylinder body 6 on the side away from tailstock body 2, the surface of oil cylinder connecting plate 5 is equipped with positioning device 7, and the side of fixed plate 1 close to tailstock body 2 is equipped with adjusting device 8.

[0030] The specific setting and effect of positioning device 7 and adjusting device 8 will be described below.

[0031] Referring to Figure 1 And Figure 2 And Figure 3 As shown in the embodiment: positioning device 7 includes supporting plate 71, and supporting plate 71 is fixedly connected to the lower surface of oil cylinder connecting plate 5, and both sides of supporting plate 71 are fixedly connected with side locating plate 72, and the side, away from oil cylinder body 6, of side locating plate 72 is fixedly connected with arc plate 73. By being provided with supporting plate 71 and side locating plate 72, the positioning effect can be achieved during the connection of oil cylinder body 6 and oil cylinder connecting plate 5. The upper surface of oil cylinder body 6 is provided with two cross plates 76, and the inner wall of cross plate 76 is slidably connected with limiting rod 77. By being provided with cross plate 76, limiting rod 77 can be installed, and by being provided with cross plate 76 and limiting rod 77, the position of oil cylinder body 6 can be limited.

[0032] The upper surface of the arc-shaped plate 73 is fixedly connected with a threaded rod 74, the surface of the threaded rod 74 is sleeved with a rotating plate 75, the threaded rod 74 is threadedly inserted into the inner wall of the rotating plate 75, and the rotating plate 75 is fixedly connected with a horizontal plate 76. The threaded rod 74 is arranged to ensure that the rotating plate 75 can be rotated, and the rotation of the rotating plate 75 can be limited. The end, away from the horizontal plate 76, of a limiting rod 77 is fixedly connected with a top plate 78, the surface of the limiting rod 77 is sleeved with a spring 79, and the two ends of the spring 79 are fixedly connected with the top plate 78 and the horizontal plate 76. The top plate 78 is arranged to facilitate the installation and control of the spring 79 and the movement of the limiting rod 77. The spring 79 and the top plate 78 are arranged to limit the position of the limiting rod 77.

[0033] Referring to Figure 1 and Figure 2 and Figure 4 Specifically, the adjusting device 8 includes two “L”-shaped plates 81, both of which are fixedly connected to the surface of the tail seat body 2. The lower surfaces of the two “L”-shaped plates 81 are both fixedly connected with telescopic cylinders 82, and the output ends of the telescopic cylinders 82 are fixedly connected with the fixed plate 1. The “L”-shaped plates 81 are arranged to connect the telescopic cylinders 82 with the tail seat body 2, and the telescopic cylinders 82 are arranged to control the position adjustment of the tail seat body 2. The surface of each telescopic cylinder 82 is sleeved with a stabilizing plate 83, and the stabilizing plate 83 is fixedly connected with the fixed plate 1. Both sides of the tail seat body 2 are both fixedly connected with two limiting plates 84, the inner walls of the two limiting plates 84 are both slidably connected with square rods 85, and the square rods 85 are fixedly connected with the fixed plate 1. The stabilizing plates 83 are arranged to improve the stability of the telescopic cylinders 82, and the limiting plates 84 and the square rods 85 are arranged to improve the stability of the tail seat body 2 during movement and support.

[0034] Both sides of the tail seat body 2 are both slidably connected with two slide bars 86, both of which are fixedly connected with the fixed plate 1. The two slide bars 86 are both fixedly connected with limiting blocks 87. The limiting blocks 87 are arranged to ensure the connection between the slide bars 86 and the tail seat body 2, and the slide bars 86 and the limiting blocks 87 are arranged to ensure the connection between the tail seat body 2 and the fixed plate 1 during the adjustment of the position of the tail seat body 2.

[0035] When the oil cylinder tailstock needs to be maintained, the bolts on the oil cylinder body 6 and the oil cylinder connecting plate 5 are first removed, then the top plate 78 is pulled to drive the limiting rod 77 to slide on the inner wall of the horizontal plate 76, so that the limiting rod 77 moves away from the oil cylinder body 6, the rotating plate 75 is rotated, thereby driving the limiting rod 77 to rotate away from the oil cylinder body 6, the top plate 78 is loosened, and under the action of the spring 79, the top plate 78 moves close to the horizontal plate 76, then the oil cylinder body 6 is moved away from the oil cylinder connecting plate 5, after the maintenance is completed, the oil cylinder body 6 is moved close to the supporting plate 71 and the side positioning plate 72, the top plate 78 is pulled away from the horizontal plate 76, the rotating plate 75 is rotated, so that the limiting rod 77 rotates close to the oil cylinder body 6, the top plate 78 is loosened, and under the action of the spring 79, the limiting rod 77 moves close to the oil cylinder body 6, thereby limiting the position of the oil cylinder body 6, then the oil cylinder body 6 and the oil cylinder connecting plate 5 are connected through bolts, the arc-shaped plate 73 is arranged to connect the threaded rod 74 and the side positioning plate 72, the positioning device 7 is arranged to position the oil cylinder body 6 when the oil cylinder body 6 is installed, the supporting plate 71 and the side positioning plate 72 are used to position the oil cylinder body 6, and the limiting rod 77 is used in cooperation with the oil cylinder connecting plate 5, the supporting plate 71 and the side positioning plate 72 to limit the position of the oil cylinder body 6, so that the oil cylinder body 6 is conveniently installed.

[0036] When the position of the tailstock sleeve 4 and the center 3 needs to be adjusted, the telescopic air cylinder 82 is started to slide on the inner wall of the stabilizing plate 83, thereby pushing the tailstock body 2 and the "L" shaped plate 81 to move close to or away from the fixed plate 1, and the position of the center 3 is adjusted, in the process, the square rod 85 slides on the inner wall of the limiting plate 84, the slide bar 86 and the limiting block 87 slide on the inner wall of the tailstock body 2, the adjusting device 8 is arranged to adjust the position of the center 3 when the oil cylinder tailstock is installed, and the stability during adjustment of the position of the tailstock body 2 and support of the tailstock body 2 is improved.

[0037] In the description of the present application, it should be pointed out that, unless otherwise explicitly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrally connected, it can be mechanical connection, or electrical connection, it can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

Claims

1. A tailstock for an external hydraulic cylinder of a CNC machine tool, comprising a fixing plate (1), a tailstock body (2) mounted on the upper surface of the fixing plate (1), a tailstock sleeve (4) fixedly connected to the inner wall of the tailstock body (2), a center point (3) detachably mounted inside the tailstock sleeve (4), a hydraulic cylinder connecting plate (5) fixedly connected to the side of the tailstock body (2) away from the center point (3), a hydraulic cylinder body (6) detachably mounted on the side of the hydraulic cylinder connecting plate (5) away from the tailstock body (2), and a positioning device (7) provided on the surface of the hydraulic cylinder connecting plate (5), characterized in that: The positioning device (7) includes a support plate (71), which is fixedly connected to the lower surface of the cylinder connecting plate (5). Side positioning plates (72) are fixedly connected to both sides of the support plate (71), and an arc-shaped plate (73) is fixedly connected to the side of the side positioning plate (72) away from the cylinder body (6).

2. The external hydraulic cylinder tailstock for a CNC machine tool according to claim 1, characterized in that: Two horizontal plates (76) are installed on the upper surface of the cylinder body (6), and a limit rod (77) is slidably connected to the inner wall of the horizontal plate (76).

3. The external hydraulic cylinder tailstock for a CNC machine tool according to claim 2, characterized in that: A threaded rod (74) is fixedly connected to the upper surface of the arc plate (73). A rotating plate (75) is fitted on the surface of the threaded rod (74). The threaded rod (74) is threaded into the inner wall of the rotating plate (75). The rotating plate (75) is fixedly connected to the horizontal plate (76).

4. The external hydraulic cylinder tailstock for a CNC machine tool according to claim 2, characterized in that: The end of the limiting rod (77) away from the horizontal plate (76) is fixedly connected to the top plate (78). A spring (79) is sleeved on the surface of the limiting rod (77). The two ends of the spring (79) are fixedly connected to the top plate (78) and the horizontal plate (76) respectively.

5. The external hydraulic cylinder tailstock for a CNC machine tool according to claim 1, characterized in that: The fixing plate (1) is provided with an adjustment device (8) on the side near the tailstock body (2). The adjustment device (8) includes two "L" shaped plates (81). Both "L" shaped plates (81) are fixedly connected to the surface of the tailstock body (2). The lower surfaces of both "L" shaped plates (81) are fixedly connected to telescopic cylinders (82). The output end of the telescopic cylinders (82) is fixedly connected to the fixing plate (1).

6. The external hydraulic cylinder tailstock for a CNC machine tool according to claim 5, characterized in that: The surface of the telescopic cylinder (82) is fitted with a stabilizing plate (83), which is fixedly connected to the fixing plate (1). Two limiting plates (84) are fixedly connected to both sides of the tailstock body (2). A square rod (85) is slidably connected to the inner wall of the two limiting plates (84), and the square rod (85) is fixedly connected to the fixing plate (1).

7. The external hydraulic cylinder tailstock for a CNC machine tool according to claim 6, characterized in that: The inner wall of the tailstock body (2) is slidably connected to two slide bars (86), both slide bars (86) are fixedly connected to the fixing plate (1), the two slide bars (86) are respectively installed on both sides of the tailstock body (2), and limit blocks (87) are fixedly connected to both sides of the two slide bars (86).

Images