Lathe tool with air tightness in-place detection function

Abstract

A lathe tool with an air tightness in-place detection function comprises a positioning seat assembly and a tailstock assembly. The tailstock assembly comprises an oil cylinder, a flange push rod and a push head subassembly; the push head subassembly is mounted on a flange push rod; and the flange push rod is connected with the output end of the oil cylinder. The push head subassembly comprises a push head seat, a thrust bearing and a pressing head; the fixed end of the thrust bearing is connected with the push head seat, and the rotating end of the thrust bearing is connected with the pressing head. An airtight equipment butt joint is arranged on the side wall of the push head seat; a first shaft hole is formed in the push head base in the axis direction. The shaft hole of the airtight equipment butt joint communicates with the first shaft hole of the push head seat. The pressing head is provided with a second shaft hole in the axis direction, and the second shaft hole communicates with the first shaft hole and a shaft hole of the airtight equipment butt joint, so that an airtight channel communicating with external airtight detection equipment is formed in the push head sub-assembly. According to the lathe tool, the built-in airtight channel is connected with the external airtight detection equipment, whether a workpiece is pressed in place or not can be detected, and the production efficiency is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of machining lathes, in particular to a lathe tooling with an airtightness detection function. Background Art

[0002] Common lathes are generally used to process shaft products. By installing chucks on the lathe positioning seat spindle and the tail stock tail shaft respectively, the workpiece to be processed is clamped from both ends and processed. However, this production method of clamping and fixing the chucks at both ends is not suitable for processing round disc-shaped products. Therefore, it is necessary to set an auxiliary clamping tool on the tail stock to clamp the product. However, the existing auxiliary clamping tool lacks the product in place detection function, and the product needs to be adjusted in place multiple times, which is time-consuming and labor-intensive, with high labor costs and low production efficiency. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a lathe tool with an airtightness detection function to overcome the deficiencies in the prior art.

[0004] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0005] A lathe tooling with an airtightness detection function, comprising a positioning seat assembly and a tailstock assembly coaxially arranged on a machine tool;

[0006] The tailstock assembly comprises an oil cylinder, a flange push rod and a push head subassembly coaxially mounted on the seat frame; the push head subassembly is plug-in mounted on the flange push rod; the flange push rod is connected to the output end of the oil cylinder;

[0007] The pusher head subassembly comprises a pusher head seat, a thrust bearing and a clamping head which are coaxially mounted; the thrust bearing has a fixed end and a rotating end, the fixed end of the thrust bearing is fixedly connected to the pusher head seat, and the rotating end of the thrust bearing is rotatably connected to the clamping head;

[0008] The push head seat has a side wall provided with an airtight equipment joint; the push head seat has a first axial hole opened along the axial direction; the axial hole of the airtight equipment joint is connected to the first axial hole of the push head seat;

[0009] The clamping head has a second axial hole extending through it along the axial direction, the second axial hole being connected to the first axial hole of the push head seat and the axial hole of the airtight device docking joint, so that an airtight passage connected to an external airtight detection device is formed inside the push head subassembly.

[0010] Furthermore, one end of the push head seat facing away from the thrust bearing is plug-in installed in the cavity of the flange push rod; and a step-shaped matching groove is arranged on the end surface of the push head seat facing the thrust bearing.

[0011] Furthermore, a small radius shank (2431) is provided at one end of the clamping head facing the push head seat, and a thrust bearing and a shaft seal are sequentially sleeved on the small radius shank (2431). The small radius shank (2431) is inserted into the first axial hole of the push head seat, and the thrust bearing and the shaft seal are sunk into the step-shaped matching groove of the push head seat.

[0012] Furthermore, a sealing groove is arranged on the end surface of the pressing head facing the positioning seat assembly, and a sealing ring is arranged in the sealing groove.

[0013] Furthermore, a plurality of centering screws are evenly arranged on the circumferential outer wall of the flange push rod, and the inner ends of the centering screws contact the push head subassembly.

[0014] Furthermore, a plurality of locking screws are circumferentially arranged at intervals on the end surface of the flange push rod facing the oil cylinder, and the locking screws cooperate with the screw holes in the push head subassembly.

[0015] Preferably, the flange push rod is mounted on the seat frame via a slide-fit push rod guide sleeve.

[0016] Furthermore, the positioning seat assembly comprises a supporting seat and an elastic positioning chuck coaxially mounted on the supporting seat; the supporting seat is mounted on the main shaft of the lathe; and spring claws are evenly arranged circumferentially on the elastic positioning chuck.

[0017] Preferably, the shaft seal is made of rubber material, and the inner wall of the shaft seal cooperates with the small radius handle (2431) of the clamping head.

[0018] Preferably, four centering screws are provided in total; and three locking screws are provided in total.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] 1) In this case, a lathe tooling with an airtightness detection function is connected to an external airtightness detection device through a built-in airtight channel, which can detect whether the workpiece is pressed in place, effectively improving production efficiency.

[0021] 2) In this case, a lathe tooling with an airtightness detection function is provided, in which the fixed end of the thrust bearing is fixedly connected to the push head seat, and the rotating end of the thrust bearing is rotatably connected to the clamping head. When the lathe spindle drives the round disc-shaped product, the clamping head and the rotating end of the thrust bearing to rotate together, the fixed end of the thrust bearing is fixed in the push head seat and does not move. The thrust bearing with a fixed end and a rotating end is used to ensure that the airtight passage is still connected when the round disc-shaped product is rotating, thereby ensuring the effectiveness of the airtightness detection of whether the product is clamped in place.

[0022] 3) In this case, a lathe tool with an airtightness detection function is provided, wherein the small radius handle (2431) of the clamping head is provided with a shaft seal, and a sealing ring is also provided on the end surface of the clamping head facing the circular disc-shaped product, thereby effectively ensuring the airtightness of the airtight channel.

[0023] 4) In this case, a lathe tooling with air tightness detection function can be applied to automated production lines, reducing labor costs, simplifying product clamping, reducing clamping time, and effectively increasing production.

[0024] In order to more clearly understand the present invention, the following will describe the preferred implementation modes of the present invention in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a reference diagram of the use state of the utility model;

[0026] Figure 2 It is a cross-sectional view of the utility model;

[0027] Figure 3 It is a structural schematic diagram of the positioning seat assembly of the utility model;

[0028] Figure 4 It is a structural schematic diagram of the tailstock assembly of the utility model;

[0029] Figure 5 , Figure 6 It is an assembly diagram of the flange push rod of the utility model;

[0030] Figure 7 , Figure 8 It is a structural schematic diagram of the pusher head subassembly of the utility model;

[0031] Fig. 9 It is a structural schematic diagram of the push head seat of the utility model;

[0032] Fig.10 It is a structural schematic diagram of the pressing head of the utility model.

[0033] Figure ID:

[0034] 1-positioning seat assembly, 2-tailstock assembly; 11-support seat, 12-elastic positioning chuck; 21-seat frame, 22-oil cylinder, 23-flange push rod, 24-push head subassembly, 25-push rod guide sleeve; 231-centering screw, 232-locking screw; 241-push head seat, 242-thrust bearing, 243-clamping head, 244-airtight equipment joint, 245-shaft seal, 246-sealing ring; 2431-small radius handle. DETAILED DESCRIPTION

[0035] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0036] In addition, if there are terms such as "first" and "second", they are only used for descriptive purposes, mainly to distinguish different devices, elements or components (the specific types and structures may be the same or different), and are not used to indicate or imply the relative importance and quantity of the indicated devices, elements or components, and cannot be understood as indicating or implying relative importance.

[0037] In addition, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installed", "provided with", "mounted / connected", "connected", etc. should be understood in a broad sense. For example, "connection" 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 an indirect connection through an intermediate medium, and it can be the internal connection of two components; for ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood according to specific circumstances.

[0038] See also Figure 1-10 The utility model provides a lathe tool with an airtightness detection function, comprising a positioning seat assembly 1 and a tailstock assembly 2 which are coaxially arranged on a machine tool.

[0039] The positioning seat assembly 1 includes a supporting seat 11 and an elastic positioning chuck 12 coaxially installed on the supporting seat 11; the supporting seat 11 is installed on the main shaft of the lathe; spring claws are evenly arranged circumferentially on the elastic positioning chuck 12, and the spring claws are used to clamp the circular disc-shaped product from the inner wall or the outer wall.

[0040] The tailstock assembly (2) comprises an oil cylinder 22, a flange push rod 23 and a push head subassembly 24 coaxially mounted on a base frame 21; the push head subassembly 24 is plug-in mounted on the flange push rod 23, and the push head subassembly 24 faces the elastic positioning chuck 12. Under the drive of the oil cylinder 22, the disc-shaped product is pressed between the push head subassembly 24 and the elastic positioning chuck 12.

[0041] The flange push rod 23 is installed on the seat frame 21 through a push rod guide sleeve 25. The flange push rod 23 is connected to the output end of the oil cylinder 22. The oil cylinder 22 drives the flange push rod 23 to drive the push head subassembly 24 to press the disc-shaped product.

[0042] Furthermore, a plurality of centering screws 231 are evenly arranged circumferentially on the circumferential outer wall of the flange push rod 23, and the inner ends of the centering screws 231 contact the push head sub-assembly 24, and the centering screws 231 are used to fine-tune the push head sub-assembly 24 to make it centered; a plurality of locking screws 232 are arranged circumferentially at intervals on the end surface of the flange push rod 23 facing the cylinder 22, and the locking screws 232 cooperate with the screw holes in the push head sub-assembly 24, and the locking screws 232 are used to lock the push head sub-assembly 24 on the flange push rod 23.

[0043] Preferably, in this embodiment, four centering screws 231 are provided in total; and three locking screws 232 are provided in total.

[0044] The pusher head subassembly 24 includes a pusher head seat 241, a thrust bearing 242 and a clamping head 243 which are coaxially mounted; the thrust bearing 242 has a fixed end and a rotating end, the fixed end of the thrust bearing 242 is fixedly connected to the pusher head seat 241, and the rotating end of the thrust bearing 242 is rotatably connected to the clamping head 243.

[0045] The push head seat 241, one end of which is facing away from the thrust bearing 242, is plug-in installed in the cavity of the flange push rod 23; the push head seat 241 is provided with a first axial hole along the axial direction; an airtight equipment docking joint 244 is provided on the side wall of the push head seat 241, the axial hole of the airtight equipment docking joint 244 is connected to the first axial hole of the push head seat 241, and the airtight equipment docking joint 244 is used to connect an external airtight detection device; a step-shaped matching groove is provided on the end face of the push head seat 241 facing the thrust bearing 242.

[0046] The clamping head 243 is provided with a small radius handle 2431 at one end thereof facing the push head seat 241, and the thrust bearing 242 and the shaft seal 245 are sleeved on the small radius handle 2431 in sequence. The small radius handle 2431 is inserted into the first shaft hole of the push head seat 241, and the thrust bearing 242 and the shaft seal 245 are sunk into the step-shaped matching groove of the push head seat 241;

[0047] Furthermore, the clamping head 243 is provided with a second axial hole along the axial direction, and the second axial hole connects the first axial hole of the push head seat 241 and the axial hole of the airtight device docking joint 244, so that an airtight channel connected to an external airtight detection device is formed inside the push head subassembly 24, and the airtight channel is formed by connecting the first axial hole, the second axial hole and the axial hole of the airtight device docking joint 244.

[0048] Furthermore, a sealing groove is provided on the end surface of the pressing head 243 facing the disc-shaped product, and a sealing ring 246 is provided in the sealing groove. When working, the sealing ring 246 is pressed against the disc-shaped product, which not only ensures that the disc-shaped product will not be damaged by hard contact, but also ensures the airtightness of the airtight passage.

[0049] Preferably, in this embodiment, the shaft seal 245 is made of rubber material, and the inner wall of the shaft seal 245 cooperates with the small radius handle 2431 of the clamping head 243 to play a sealing role to prevent air leakage.

[0050] Preferably, in this embodiment, the pressing head 243 is a replaceable component and can be replaced according to the different shapes of the round disc-shaped product.

[0051] The thrust bearing 242 is a common part in the prior art. The fixed end of the thrust bearing 242 is fixedly installed in the stepped matching groove of the push head seat 241, and the rotating end of the thrust bearing 242 is in contact with or bonded to the pressing head 243. In actual production, the lathe spindle drives the disc-shaped product, the pressing head 243 and the rotating end of the thrust bearing 242 to rotate together, while the fixed end of the thrust bearing 242 is fixed in the push head seat 241 and does not move.

[0052] In this case, a lathe tooling with air tightness detection function is used. Its working principle and process are as follows:

[0053] 1. The disc-shaped product to be processed is placed on the support seat 11, and the elastic claws 12 clamp the inner or outer circle of the product to prevent it from falling.

[0054] 2. The oil cylinder 22 outputs power, and the pusher subassembly 24 moves toward the disc-shaped product and presses the product.

[0055] 3. Use external airtight testing equipment to connect the built-in airtight channel of this tooling to detect whether the round disc-shaped product is installed in place.

[0056] 4. The lathe spindle drives the disc-shaped product to rotate and start processing.

[0057] 5. After processing, all parts return to their original positions.

[0058] Compared with the existing technology, a lathe tooling with an airtightness detection function in this case is connected to an external airtightness detection device through a built-in airtight channel, which can detect whether the workpiece is pressed in place, effectively improving production efficiency.

[0059] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model.

Claims

1. A lathe tool with an airtightness detection function, comprising a positioning seat assembly (1) and a tailstock assembly (2) coaxially arranged on a machine tool, characterized in that: The tailstock assembly (2) comprises an oil cylinder (22), a flange push rod (23) and a push head subassembly (24) coaxially mounted on a seat frame (21); the push head subassembly (24) is plug-in mounted on the flange push rod (23); the flange push rod (23) is connected to the output end of the oil cylinder (22); The pusher head subassembly (24) comprises a pusher head seat (241), a thrust bearing (242) and a pressing head (243) which are coaxially mounted; the thrust bearing (242) has a fixed end and a rotating end; the fixed end of the thrust bearing (242) is fixedly connected to the pusher head seat (241), and the rotating end of the thrust bearing (242) is rotatably connected to the pressing head (243); The push head seat (241) has a side wall provided with an airtight device docking head (244); the push head seat (241) has a first axial hole opened along the axial direction; the axial hole of the airtight device docking head (244) is connected to the first axial hole of the push head seat (241); The pressing head (243) is provided with a second axial hole extending through the pressing head along the axial direction, the second axial hole being connected to the first axial hole of the pushing head seat (241) and the axial hole of the airtight device docking head (244), so that an airtight passage is formed inside the pushing head subassembly (24) and is connected to an external airtight detection device.

2. The lathe tooling with air tightness detection function according to claim 1, characterized in that: One end of the push head seat (241) facing away from the thrust bearing (242) is plug-in-installed in the cavity of the flange push rod (23); a step-shaped matching groove is arranged on the end surface of the push head seat (241) facing the thrust bearing (242).

3. The lathe tooling with air tightness detection function according to claim 2, characterized in that: A small radius shank (2431) is provided at one end of the clamping head (243) facing the push head seat (241), and a thrust bearing (242) and a shaft seal (245) are sequentially sleeved on the small radius shank (2431). The small radius shank (2431) is inserted into the first axial hole of the push head seat (241), and the thrust bearing (242) and the shaft seal (245) are sunk into the step-shaped matching groove of the push head seat (241).

4. The lathe tooling with air tightness detection function according to claim 3 is characterized in that: A sealing groove is arranged on the end surface of the pressing head (243) facing the positioning seat assembly (1), and a sealing ring (246) is arranged in the sealing groove.

5. The lathe tooling with air tightness detection function according to claim 1, characterized in that: A plurality of centering screws (231) are evenly arranged on the circumferential outer wall of the flange push rod (23), and the inner ends of the centering screws (231) contact the push head subassembly (24).

6. The lathe tooling with air tightness detection function according to claim 5, characterized in that: A plurality of locking screws (232) are circumferentially arranged at intervals on the end surface of the flange push rod (23) facing the oil cylinder (22), and the locking screws (232) cooperate with screw holes in the push head subassembly (24).

7. The lathe tooling with air tightness detection function according to claim 1, characterized in that: The flange push rod (23) is installed on the seat frame (21) through a push rod guide sleeve (25) that is slidably fitted.

8. The lathe tooling with air tightness detection function according to claim 1, characterized in that: The positioning seat assembly (1) comprises a supporting seat (11) and an elastic positioning chuck (12) coaxially mounted on the supporting seat (11); the supporting seat (11) is mounted on a lathe spindle; and spring claws are evenly arranged circumferentially on the elastic positioning chuck (12).

9. The lathe tooling with air tightness detection function according to claim 3, characterized in that: The shaft seal (245) is made of rubber material, and the inner wall of the shaft seal (245) cooperates with the small radius handle (2431) of the pressing head (243).

10. The lathe tooling with air tightness detection function according to claim 6, characterized in that: There are four centering screws (231) in total; and three locking screws (232) in total.

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