Machining fixing device for thin-walled cylinder workpiece

Abstract

The utility model discloses a machining fixing device for a thin-walled cylinder workpiece, and relates to the field of lathe machining. The device comprises a fixing base, a fixing outer plate is slidably connected to the front end of the fixing base, a fixing inner plate is fixedly connected to the bottom end of the fixing base, an outer trepanning piece is slidably connected into the fixing outer plate, a fixing groove is formed in the upper end of the fixing inner plate, an inner trepanning piece is slidably connected into the fixing groove, and a pneumatic cylinder is fixedly connected to the bottom end of the fixing base. The fixed outer plate is fixedly connected to the power output end of the pneumatic cylinder. According to the device, when punching is conducted on the outer wall, a punching area is locally clamped, so that extrusion deformation cannot be caused by fixing of a cylinder, a punching thin wall is protected through an outer punching piece and an inner punching piece which are arranged on a fixing outer plate and a fixing inner plate, damage to the nearby thin wall caused by direct drilling of a drilling piece is prevented, and the punching efficiency is improved. And all positions on the thin wall can be covered by the outer perforating piece and the inner perforating piece through movement of the lead screw assembly, so that perforating is more accurate.

Description

Technical Field

[0001] The utility model relates to the technical field of lathe processing, in particular to a processing and fixing device for thin-walled cylindrical workpieces. Background Art

[0002] The thin-walled cylindrical workpiece machining fixture is a tooling fixture specifically designed for machining thin-walled cylindrical workpieces. These workpieces are typically die-cast from alloys such as aluminum. After lathe finishing, the holes and shapes on the sidewalls are machined. Thin-walled cylindrical workpieces are a common tool in machining and are currently widely used in the manufacturing industry, particularly in the aerospace, automotive, and petrochemical industries.

[0003] Since the wall of a thin-walled cylindrical workpiece is relatively weak, it is easily squeezed and deformed during the processing. Especially when a hole needs to be processed on the side wall, the workpiece is deformed due to the squeezing of the drilling parts and the fixing parts, and it is difficult to fix it during the drilling process. In view of the above situation, the utility model provides a processing and fixing device for a thin-walled cylindrical workpiece to solve the above problems. Utility Model Content

[0004] In response to the shortcomings of the existing technology, the utility model provides a processing and fixing device for thin-walled cylindrical workpieces, which solves the problem that the walls of thin-walled cylindrical workpieces are relatively weak and easily squeezed and deformed during processing, especially when holes need to be processed on the side walls, the workpiece is deformed due to the squeezing of drilling parts and fixing parts, and is difficult to fix during the drilling process.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a processing and fixing device for thin-walled cylindrical workpieces, comprising a fixed seat, the front end of the fixed seat is slidably connected to a fixed outer plate, the bottom end of the fixed seat is fixedly connected to a fixed inner plate, wherein the fixed outer plate is slidably connected to an outer open hole member, wherein a fixed groove is provided on the upper end of the fixed inner plate, and an inner open hole member is slidably connected to the fixed groove, wherein the bottom end of the fixed seat is fixedly connected to a pneumatic cylinder, and the fixed outer plate is fixedly connected to the power output end of the pneumatic cylinder.

[0006] Preferably, a fixing lug is fixedly connected to the side end of the fixing seat, and a fixing hole is opened on the back of the fixing seat.

[0007] Preferably, the bottom end of the fixing seat is fixedly connected to a cylinder seat, and the pneumatic cylinder is fixedly connected in the cylinder seat.

[0008] Preferably, a sliding groove is provided on the inner end surface of the fixed seat, and a supporting connecting member is slidably connected in the sliding groove. The bottom of the supporting connecting member is fixedly connected to the power output end of the pneumatic cylinder, and the inner end of the supporting connecting member is fixedly connected to the side of the fixed outer plate.

[0009] Preferably, an outer sliding cavity and an inner sliding cavity are respectively provided in the fixed outer plate and the fixed inner plate, the outer opening member is slidably connected in the outer sliding cavity, and the inner opening member is slidably connected in the inner sliding cavity.

[0010] Preferably, a screw assembly is provided in the fixed outer plate and the fixed inner plate, and the screw assembly includes a servo motor, a long screw, a short slider and a long slide rod. The servo motor is fixedly connected to the outer ends of the fixed outer plate and the fixed inner plate, the long screw is rotatably connected in the outer slide cavity and the inner slide cavity, the long slide rod is fixedly connected in the outer slide cavity and the inner slide cavity, and the short slider is fixedly connected to the two ends of the outer opening member and the inner opening member.

[0011] The utility model discloses a processing and fixing device for thin-walled cylindrical workpieces, which has the following beneficial effects: the processing and fixing device for thin-walled cylindrical workpieces is provided with a fixed outer plate and a fixed inner plate, so that when drilling holes on the outer wall of the thin-walled cylindrical workpiece, the area to be punched can be locally clamped, which not only prevents the fixing of the cylinder from causing extrusion deformation, but also protects the punched thin wall by the outer hole-opening parts and the inner hole-opening parts provided on the fixed outer plate and the fixed inner plate, preventing damage to the nearby thin wall caused by direct drilling by the drilling part, and can also enable the outer hole-opening parts and the inner hole-opening parts to cover all positions on the thin wall by moving the screw rod assembly, so that the punching is more accurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0013] Figure 1 This is a schematic diagram of the overall front structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the partial explosion structure of the utility model;

[0015] Figure 3 This is a schematic diagram of the overall explosion structure of the utility model;

[0016] Figure 4 It is a schematic diagram of the partial cross-sectional structure of the utility model.

[0017] In the figure: 1. Fixed seat; 11. Support connecting part; 12. Sliding groove; 13. Fixed lifting ear; 14. Fixed hole; 15. Cylinder seat; 16. Pneumatic cylinder; 2. Fixed outer plate; 21. External opening member; 22. External sliding cavity; 3. Fixed inner plate; 31. Internal opening member; 32. Internal sliding cavity; 33. Fixed groove; 4. Screw assembly; 41. Servo motor; 42. Long screw; 43. Short slider; 44. Long slider. DETAILED DESCRIPTION

[0018] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0019] The embodiment of the present application provides a processing and fixing device for thin-walled cylindrical workpieces, which solves the problem that the walls of thin-walled cylindrical workpieces are relatively weak and easily squeezed and deformed during processing, especially when holes need to be processed on the side walls, the workpiece is deformed due to squeezing by drilling parts and fixing parts, and is difficult to fix during the drilling process.

[0020] In order to better understand the above technical solution, the above technical solution will be described in detail below with reference to the accompanying drawings and specific implementation methods.

[0021] The embodiment of the utility model discloses a processing and fixing device for a thin-walled cylindrical workpiece.

[0022] According to the attached Figure 1-4 As shown,

[0023] The bottom end of the fixing base 1 is fixedly connected to the outer plate 2, and the bottom end of the fixing base 1 is fixedly connected to the inner plate 3, wherein the outer opening part 21 is slidably connected to the inner plate 3 of the fixing base 1, wherein the upper end of the fixing inner plate 3 is provided with a fixing groove 33, and the inner opening part 31 is slidably connected to the fixing groove 33, wherein the bottom end of the fixing base 1 is fixedly connected to the pneumatic cylinder 16, and the fixed outer plate 2 is fixedly connected to the power output end of the pneumatic cylinder 16. When in use, the thin-walled cylindrical workpiece is first placed in the fixing groove 33, and then the power of the pneumatic cylinder 16 is used to make the fixed outer plate 2 move downward until the thin-walled cylindrical workpiece is clamped, and then the opening position is determined, and the outer opening part 21 and the inner opening part 31 are synchronously moved to the position to be processed, and then the opening device drills into the hole of the outer opening part 21 for processing, so that during processing, the outer opening part 21 and the inner opening part 31 can press and fix the thin wall around the drilled hole to prevent deformation in the drilled hole.

[0024] A fixing ear 13 is fixedly connected to the side end of the fixing seat 1, a fixing hole 14 is opened on the back of the fixing seat 1, a cylinder seat 15 is fixedly connected to the bottom end of the fixing seat 1, and the pneumatic cylinder 16 is fixedly connected in the cylinder seat 15. A sliding groove 12 is opened on the inner end surface of the fixing seat 1, and a supporting connector 11 is slidably connected in the sliding groove 12. The bottom of the supporting connector 11 is fixedly connected to the power output end of the pneumatic cylinder 16, and the inner end of the supporting connector 11 is fixedly connected to the side of the fixed outer plate 2. The fixing ear 13 is used to be connected to the lathe by bolts, the fixing hole 14 is used for positioning and tight connection, and the sliding groove 12 is used to slide and fix the outer plate 2.

[0025] An outer sliding cavity 22 and an inner sliding cavity 32 are respectively provided in the fixed outer plate 2 and the fixed inner plate 3. The outer opening part 21 is slidably connected in the outer sliding cavity 22, and the inner opening part 31 is slidably connected in the inner sliding cavity 32. A screw assembly 4 is provided in the fixed outer plate 2 and the fixed inner plate 3. The screw assembly 4 includes a servo motor 41, a long screw rod 42, a short slider 43 and a long slider 44. The servo motor 41 is fixedly connected to the outer ends of the fixed outer plate 2 and the fixed inner plate 3, the long screw rod 42 is rotatably connected in the outer sliding cavity 22 and the inner sliding cavity 32, the long slider 44 is fixedly connected in the outer sliding cavity 22 and the inner sliding cavity 32, the short slider 43 is fixedly connected to both ends of the outer opening part 21 and the inner opening part 31, and the servo motor 41 transmits power to the long screw rod 42, so that the short slider 43 moves under the action of the thread, driving the outer opening part 21 and the inner opening part 31 to move.

[0026] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A processing fixture for a thin-walled cylindrical workpiece, comprising a fixing seat (1), characterized in that: The front end of the fixing seat (1) is slidably connected to a fixed outer plate (2), and the bottom end of the fixing seat (1) is fixedly connected to a fixed inner plate (3); Wherein, an external opening member (21) is slidably connected to the fixed outer plate (2); Wherein, a fixing groove (33) is provided at the upper end of the fixed inner plate (3), and an inner hole member (31) is slidably connected in the fixing groove (33); The bottom end of the fixed seat (1) is fixedly connected to a pneumatic cylinder (16), and the fixed outer plate (2) is fixedly connected to the power output end of the pneumatic cylinder (16).

2. A processing fixture for a thin-walled cylindrical workpiece according to claim 1, characterized in that: A fixing lug (13) is fixedly connected to the side end of the fixing seat (1), and a fixing hole (14) is provided on the back of the fixing seat (1).

3. A thin-walled cylindrical workpiece processing fixture according to claim 1, characterized in that: The bottom end of the fixed seat (1) is fixedly connected to a cylinder seat (15), and the pneumatic cylinder (16) is fixedly connected inside the cylinder seat (15).

4. A processing fixture for a thin-walled cylindrical workpiece according to claim 1, characterized in that: A sliding groove (12) is provided on the inner end surface of the fixing seat (1), and a supporting connecting member (11) is slidably connected in the sliding groove (12). The bottom of the supporting connecting member (11) is fixedly connected to the power output end of the pneumatic cylinder (16), and the inner end of the supporting connecting member (11) is fixedly connected to the side surface of the fixed outer plate (2).

5. The device for machining and fixing a thin-walled cylindrical workpiece according to claim 1, characterized in that: An outer sliding cavity (22) and an inner sliding cavity (32) are respectively provided in the fixed outer plate (2) and the fixed inner plate (3); the outer opening member (21) is slidably connected in the outer sliding cavity (22); and the inner opening member (31) is slidably connected in the inner sliding cavity (32).

6. A thin-walled cylindrical workpiece processing fixture according to claim 5, characterized in that: A screw assembly (4) is provided in each of the fixed outer plate (2) and the fixed inner plate (3), and the screw assembly (4) includes a servo motor (41), a long screw rod (42), a short slider (43) and a long slider (44); The servo motor (41) is fixedly connected to the outer ends of the fixed outer plate (2) and the fixed inner plate (3); the long screw rod (42) is rotatably connected in the outer sliding cavity (22) and the inner sliding cavity (32); the long sliding rod (44) is fixedly connected in the outer sliding cavity (22) and the inner sliding cavity (32); and the short sliding block (43) is fixedly connected to both ends of the outer opening member (21) and the inner opening member (31).

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