Fixing tool for flywheel shell machining

Abstract

The utility model discloses a flywheel casing machining fixing tool which comprises a machining table, and a fixing assembly is installed on the surface of the machining table. The fixing assembly comprises two sets of moving rails fixedly connected to the surface of the machining table, two sets of moving bases slidably connected between the two sets of moving rails, a fixing frame used for extruding and fixing the flywheel shell, an extruding plate, a fixing base, a clamping arm and a clamping plate. The flywheel shell fixing device has the advantages that the two sides of a flywheel shell can be extruded and fixed, flywheel shells of different sizes can be fixed, the application range of the flywheel shell fixing device is greatly expanded, the cost for equipping various specific tools due to the size difference of the flywheel shells is reduced, it is guaranteed that the two sides of the flywheel shell are evenly extruded and fixed, and the flywheel shell fixing device is convenient to use. The flywheel shell can be kept at a stable position, the flywheel shell cannot generate displacement or vibration due to machining force, the flywheel shell can be prevented from displacing or shaking through stable fixation, and the problem of dimensional deviation or surface quality of the machined flywheel shell is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of fixed tool, specifically for a kind of fixed tool for flywheel housing machining, belong to flywheel housing machining technical field. BACKGROUND

[0002] Flywheel housing is the part used to cover flywheel on engine, installed between engine and gearbox, outer connection crankcase, starter, oil pan, built-in flywheel assembly, play the role of connection body, protection and carrier, flywheel housing often needs to be fixed by some fixed tool when being processed and produced.

[0003] In prior art, such as the fixed device for flywheel housing machining disclosed in the announcement No.CN209425302U, including fixed seat, flywheel housing body sleeved on fixed seat and limiting device inserted on fixed seat, the fixed seat includes connecting block, the lower end of the connecting block is connected with base, the sidewall of the fixed seat is provided with cylindrical recess, and bearing is arranged in the cylindrical recess, the inner wall of the bearing is fixedly connected with rotating sleeve, the rotating sleeve is sleeved with flywheel housing body, a plurality of rectangular through holes are formed in the sidewall of the rotating sleeve, by sleeving flywheel housing body on rotating sleeve, then inserting limiting device into rotating sleeve, the fixation of flywheel housing body can be completed, the fixation efficiency is high, and the subsequent processing efficiency is improved, the arc-shaped clamping block is rotated outward under the action of tension spring and clamped into second arc-shaped recess, to prevent the insertion pin from falling off, and the fixation effect is improved again, but the fixed tool in prior art has serious limitations, most of which can only fix flywheel housing of specific size, when facing multiple types of flywheel housing machining requirements, it cannot be adjusted according to flywheel housing of different sizes, resulting in narrow application range, which cannot meet the requirements of modern engine manufacturing industry for efficient, flexible and low-cost production. UTILITY MODEL CONTENT

[0004] The utility model aims to solve at least one of the above technical problems and provide a kind of fixed tool for flywheel housing machining.

[0005] The utility model realizes the above-mentioned purposes by the following technical solutions: a kind of fixed tool for flywheel housing machining, including processing table;

[0006] The surface of processing table is provided with fixed assembly;

[0007] Fixed assembly includes two groups of moving rails fixedly connected to the surface of processing table, two groups of moving seats slidingly connected between the two groups of moving rails, and fixing frame, extrusion plate, fixing seat, clamping arm and clamping plate for extruding and fixing flywheel housing.

[0008] As a further scheme of the utility model: the surface of the mobile seat is welded with a fixing frame, the opposite side of the two fixing frames is fixedly connected with an extrusion plate, the opposite side of the two extrusion plates is fixedly connected with a fixing seat, the surface of the fixing seat is symmetrically hinged with a clamping arm through a support on the upper and lower sides, one end of the clamping arm is fixedly connected with a clamping plate.

[0009] As a further scheme of the utility model: the lower surface of the processing table is screw-connected with a driving motor, the output end of the driving motor is fixedly connected with a worm gear part, the worm of the worm gear part is coaxially fixedly connected with a driving shaft, the driving shaft is rotatably connected in the inside of the processing table, and the top end of the driving shaft penetrates through the surface of the processing table and is fixedly connected with a driving gear arranged above the processing table, the surface of the driving gear is meshingly connected with an extrusion rack on the two sides, the extrusion racks are centrally symmetrically arranged about the driving shaft, and the opposite ends of the two extrusion racks are fixedly connected with the lower surfaces of the two mobile seats.

[0010] As a further scheme of the utility model: the inside of the fixing seat is rotatably connected with a threaded rod, the surface of the threaded rod is threadedly connected with a threaded block, the surface of the threaded block is symmetrically hinged with a movable connecting rod on the two sides, and the side close to the two movable connecting rods in the inside of the fixing seat is hinged with a fixed connecting rod.

[0011] As a further scheme of the utility model: a hinge seat is hinged between one end of the movable connecting rod and the fixed connecting rod, a sliding block is hinged in the inside of the hinge seat, a sliding rod is fixedly connected in the inside of the clamping arm, and the sliding block is slidingly connected on the surface of the sliding rod.

[0012] As a further scheme of the utility model: a non-slip pad is fixedly connected on the surface of the clamping plate, and one end of the threaded block penetrates through one side of the fixing seat and is fixedly connected with a hand wheel arranged on one side of the fixing seat.

[0013] The utility model discloses the beneficial effect is:

[0014] 1, the utility model discloses the fixed assembly is set up, one aspect can extrude and fix two sides of the flywheel housing, by adjusting the moving distance of mobile seat, can fix the flywheel housing of different size, greatly expands its application range, reduces the cost of needing to equip multiple specific tooling because of the size difference of flywheel housing;

[0015] One aspect ensures the uniform extrusion and fixation of the two sides of the flywheel housing, the flywheel housing can maintain a stable position, and the flywheel housing will not displace or vibrate due to processing force, and stable fixation can prevent the flywheel housing from displacing or shaking, avoiding size deviation or surface quality problems of the processed flywheel housing;

[0016] 2, the utility model discloses the clamping plate is set up, can clamp and fix the upper and lower sides of the flywheel shell on one hand, further improve the fixed effect of flywheel shell, can provide stable fixation for flywheel shell in the processing, ensure that flywheel shell does not appear displacement or wobble when subsequent processing operation, effectively guarantee the machining precision, improve product quality.

[0017] On the one hand, the upper and lower sides of the flywheel shell of different sizes can be clamped and fixed, the adaptability of the tool in actual production is enhanced, the clamping force of the clamping plate on the flywheel shell can be flexibly adjusted, the fixed firmness is greatly improved, the clamping is just right, and the problems of damaging the flywheel shell due to excessive clamping force or insufficient clamping force leading to insecure fixation are avoided. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the whole structure schematic diagram of the utility model;

[0019] Figure 2 It is the whole bottom structure schematic diagram of the utility model;

[0020] Figure 3 It is the structure schematic diagram of the extrusion plate and the fixed seat of the utility model;

[0021] Figure 4 It is the structure schematic diagram of the fixed seat and the clamping plate in the utility model;

[0022] Figure 5 It is the A place enlarged view of the utility model; Figure 4

[0023] In the drawing: 1, processing table, 2, fixed assembly, 21, moving rail, 22, moving seat, 23, extrusion rack, 24, drive gear, 25, drive shaft, 26, worm gear, 27, drive motor, 28, fixed frame, 29, extrusion plate, 210, fixed seat, 211, clamping arm, 212, threaded rod, 213, threaded block, 214, movable connecting rod, 215, fixed connecting rod, 216, hand wheel, 217, hinged seat, 218, sliding block, 219, sliding rod, 220, clamping plate. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings of the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model. Embodiment one

[0025] As Figures 1 to 5 ​As shown, a flywheel shell processing fixing tool, comprising a processing table 1;

[0026] The surface of the processing table 1 is provided with a fixing assembly 2, which comprises two groups of moving rails 21 fixedly connected to the surface of the processing table 1, and two groups of moving seats 22 and fixing frames 28, extrusion plates 29, fixing seats 210, clamping arms 211 and clamping plates 220 slidingly connected between the two groups of moving rails 21 for extruding and fixing the flywheel shell. The surface of the moving seat 22 is welded with the fixing frame 28. The opposite sides of the two groups of fixing frames 28 are fixedly connected with the extrusion plates 29. The opposite sides of the two groups of extrusion plates 29 are fixedly connected with the fixing seats 210. Through the fixing seat 210, flywheels of different sizes can be fixed, greatly expanding its application range, reducing the cost of needing to equip multiple specific toolings due to the size difference of the flywheel shell, and ensuring uniform extrusion and fixation of the flywheel shell on both sides. The surface of the fixing seat 210 is symmetrically hinged with the clamping arm 211 on the upper and lower sides through the support. One end of the clamping arm 211 is fixedly connected with the clamping plate 220. The surface of the moving seat 22 is welded with the fixing frame 28. The opposite sides of the two groups of fixing frames 28 are fixedly connected with the extrusion plates 29. The opposite sides of the two groups of extrusion plates 29 are fixedly connected with the fixing seats 210. The surface of the fixing seat 210 is symmetrically hinged with the clamping arm 211 on the upper and lower sides through the support. One end of the clamping arm 211 is fixedly connected with the clamping plate 220. Through the clamping plate 220, the upper and lower sides of the flywheel shell can be clamped and fixed, further improving the fixing effect of the flywheel shell, and providing stable fixation for the flywheel shell during processing. Embodiment two

[0027] In addition to including all the technical features in embodiment one, the embodiment also includes:

[0028] The lower surface of the processing table 1 is screw-connected with a driving motor 27. The output end of the driving motor 27 is fixedly connected with a worm gear 26. The worm gear of the worm gear 26 is coaxially fixedly connected with a driving shaft 25. The driving shaft 25 is rotatably connected inside the processing table 1. The top end of the driving shaft 25 penetrates through the surface of the processing table 1 and is fixedly connected with a driving gear 24 arranged above the processing table 1. The surfaces of the driving gear 24 are respectively meshingly connected with extrusion racks 23. The extrusion racks 23 are centrally symmetrically arranged about the driving shaft 25. The opposite ends of the two groups of extrusion racks 23 are respectively fixedly connected with the lower surfaces of the two groups of moving seats 22. The extrusion plate 29 and the fixing seat 210 can be driven to synchronously approach the surface of the flywheel shell, so as to extrude and fix the two sides of the flywheel shell.

[0029] The interior of the fixed seat 210 is rotationally connected with a threaded rod 212, the surface of the threaded rod 212 is threadedly connected with a threaded block 213, the surface of the threaded block 213 is symmetrically hinged with movable connecting rods 214 on both sides, and the interior of the fixed seat 210 is hinged with fixed connecting rods 215 on one side close to the two groups of movable connecting rods 214. Embodiment three

[0030] As a further scheme of the utility model: the movable connecting rod 214 and the fixed connecting rod 215 are hinged with a hinge seat 217 at one end, the interior of the hinge seat 217 is hinged with a sliding block 218, the interior of the clamping arm 211 is fixedly connected with a sliding rod 219, and the sliding block 218 is slidingly connected on the surface of the sliding rod 219, the surface of the clamping plate 220 is fixedly connected with an antiskid pad, one end of the threaded block 213 penetrates through one side of the fixed seat 210 and is fixedly connected with the hand wheel 216 arranged on one side of the fixed seat 210, so that the clamping plate 220 can be driven to move close to the surface of the flywheel shell until the clamping plate 220 is tightly attached to the surface of the flywheel shell, thereby clamping and fixing the upper and lower sides of the flywheel shell.

[0031] Working principle: when the fixed tool is used to process the flywheel shell, first, the flywheel shell to be processed is placed between the two groups of extrusion plates 29 and the fixed seat 210, then the distance between the two groups of extrusion plates 29 and the fixed seat 210 is adjusted according to the size of the flywheel shell, the drive motor 27 is started, the worm gear 26 is driven by the drive motor 27 to rotate below the machining table 1, thereby driving the drive shaft 25 and the drive gear 24 to rotate on the surface of the machining table 1, the rotation of the drive gear 24 can drive the two groups of extrusion racks 23 to move along the surface of the machining table 1, thereby driving the two groups of moving seats 22 to relatively slide along the surface of the moving rail 21, with the movement of the moving seat 22, the fixed frame 28 is synchronously moved, thereby driving the extrusion plate 29 and the fixed seat 210 to move close to the surface of the flywheel shell, with the movement of the fixed seat 210, when the fixed seat 210 contacts the surface of the flywheel shell, the two sides of the flywheel shell can be extruded and fixed, by adjusting the movement distance of the moving seat 22, the flywheel shell of different sizes can be fixed, thereby greatly expanding the application range, reducing the cost of needing to equip multiple specific tools due to the size difference of the flywheel shell, and ensuring uniform extrusion and fixation of the two sides of the flywheel shell, the flywheel shell can maintain a stable position, the flywheel shell will not displace or vibrate due to processing force, stable fixation can prevent the flywheel shell from displacing or shaking, and size deviation or surface quality problems of the processed flywheel shell are avoided.

[0032] When the fixing of the flywheel shell on both sides is completed, the threaded rod 212 is rotated in the interior of the fixed seat 210 by rotating the hand wheel 216, thereby driving the threaded block 213 to move along the spiral track, thereby driving the two sides of the articulated movable connecting rod 214 to move synchronously, and then under the cooperation of the fixed connecting rod 215, the two groups of articulated seats 217 can be driven to move relatively on both sides of the threaded block 213, pull the sliding block 218 to move synchronously, and also make it slide along the surface of the sliding rod 219, that is, the clamping arm 211 can be turned over on the surface of the fixed seat 210, and the clamping plate 220 can be driven to approach the surface of the flywheel shell, until the clamping plate 220 is tightly attached to the surface of the flywheel shell, that is, the upper and lower sides of the flywheel shell can be clamped and fixed, further improving the fixing effect of the flywheel shell, providing stable fixing for the flywheel shell during processing, ensuring that the flywheel shell will not displace or shake during subsequent processing operations, effectively ensuring the processing precision and improving the product quality, and also enabling the upper and lower sides of flywheels of different sizes to be clamped and fixed, enhancing the adaptability of the tool in actual production, enabling the clamping force of the clamping plate 220 on the flywheel shell to be adjusted flexibly, greatly improving the fixing firmness, achieving appropriate clamping, avoiding damage to the flywheel shell due to excessive clamping force, or the problem of insufficient clamping force leading to insecure fixing.

[0033] It is apparent for those skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as illustrative and not restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and it is intended to encompass all changes falling within the meaning and range of equivalents of the elements of the claims. Any reference signs in the claims should not be considered as limiting the claims to which they belong.

[0034] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A flywheel shell machining fixing tool, comprising a machining table (1); characterized in that A fixing assembly (2) is mounted on the surface of the machining table (1); The fixing assembly (2) comprises two groups of moving rails (21) fixedly connected to the surface of the machining table (1), two groups of moving seats (22) slidably connected between the two groups of moving rails (21), and a fixing frame (28), an extrusion plate (29), a fixing seat (210), a clamping arm (211) and a clamping plate (220) for extruding and fixing the flywheel shell.

2. The flywheel shell machining fixture of claim 1, wherein: The surface of the moving seat (22) is welded with the fixing frame (28), the opposite side of the two groups of fixing frames (28) is fixedly connected with the extrusion plate (29), the opposite side of the two groups of extrusion plates (29) is fixedly connected with the fixing seat (210), and the surface of the fixing seat (210) is symmetrically hinged with the clamping arm (211) on the upper and lower sides through the support, and one end of the clamping arm (211) is fixedly connected with the clamping plate (220).

3. The flywheel shell machining fixture of claim 1, wherein: The lower surface of the machining table (1) is screw-connected with a driving motor (27), the output end of the driving motor (27) is fixedly connected with a worm gear (26), the worm gear (26) is coaxially fixedly connected with a driving shaft (25) in the worm gear, the driving shaft (25) is rotatably connected in the machining table (1), the top end of the driving shaft (25) penetrates through the surface of the machining table (1) and is fixedly connected with a driving gear (24) arranged above the machining table (1), the surfaces of the two sides of the driving gear (24) are respectively meshingly connected with extrusion racks (23), the extrusion racks (23) are centrally symmetrically arranged about the driving shaft (25), and the opposite ends of the two groups of extrusion racks (23) are respectively fixedly connected with the lower surfaces of the two groups of moving seats (22).

4. The flywheel shell machining fixture of claim 1, wherein: The inside of the fixing seat (210) is rotatably connected with a threaded rod (212), the surface of the threaded rod (212) is threadedly connected with a threaded block (213), the surfaces of the two sides of the threaded block (213) are symmetrically hinged with movable connecting rods (214), and the fixing seat (210) is hinged with fixed connecting rods (215) on the side close to the two groups of movable connecting rods (214).

5. The flywheel shell machining fixture of claim 4, wherein: The hinge seat (217) is hinged between one end of the movable connecting rod (214) and the fixed connecting rod (215), the inside of the hinge seat (217) is hinged with a sliding block (218), the inside of the clamping arm (211) is fixedly connected with a sliding rod (219), and the sliding block (218) is slidably connected to the surface of the sliding rod (219).

6. The flywheel shell machining fixture of claim 5, wherein: The surface of the clamping plate (220) is fixedly connected with a non-slip pad, and one end of the threaded block (213) penetrates through one side of the fixing seat (210) and is fixedly connected with a hand wheel (216) arranged on one side of the fixing seat (210).

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