Rack clamping and positioning mechanism of gear milling machine

Abstract

The utility model relates to the technical field of rack machining, in particular to a gear milling machine rack clamping and positioning mechanism which comprises a fixed installation disc, fixed installation holes, an electromagnetic braking type locking motor, a driving gear, an installation supporting disc and a center clamping portion. The installation supporting disc is fixedly installed in the middle of the upper end of the fixed installation disc, the electromagnetic braking type locking motor is fixedly installed on the fixed installation disc, and the driving gear is fixedly connected to the driving end of the electromagnetic braking type locking motor. According to the gear milling clamp, machined piece plates of different specifications and sizes can be conveniently clamped, positioned and fully fixed, gear milling can be smoothly and accurately carried out conveniently, the gear milling angle can be conveniently adjusted and controlled in the gear milling process, and gear milling can be accurately, stably, conveniently and firmly carried out.

Description

TECHNICAL FIELD

[0001] The utility model relates to rack processing technical field, specifically is a kind of rack clamping and positioning mechanism of gear milling machine. BACKGROUND

[0002] Rack is a kind of tooth distribution in infinite long or finite long straight line special gear, can be regarded as the part of one diameter infinitely big gear. Its tooth profile is straight line and not involute (for straight tooth), and with gear pure rolling engagement. Rack is mainly used as continuous engagement transmission in transmission, converts rotary motion into linear motion, or linear motion is converted into rotary motion, when processing preparation to rack, the plate material of processing preparation is clamped and locked fixed, to facilitate gear milling, but the rack clamping and positioning device of existing use cannot be clamped and fixed in the process of using to different size plate material, and clamping and fixing are not sufficient enough, so that it is easy to displace in the process of gear milling and cause the appearance of defective product, so a kind of device is needed to solve the problems proposed above. SUMMARY

[0003] In view of the problems in the prior art, the utility model provides a rack clamping and positioning mechanism of gear milling machine.

[0004] The utility model discloses a technical scheme that solves its technical problem is as follows: a rack clamping and positioning mechanism of gear milling machine, including fixed mounting disc, fixed mounting hole, electromagnetic brake type locking motor, drive gear, installation support disc and center clamping part, the fixed mounting hole evenly penetrates and is established at the edge position of the fixed mounting disc, the installation support disc is fixedly installed in the upper end middle part of the fixed mounting disc, the electromagnetic brake type locking motor is fixedly installed on the fixed mounting disc, the drive gear is fixedly connected in the drive end of the electromagnetic brake type locking motor, the middle part between the fixed mounting disc and the installation support disc is provided with rotating gear disc, and the rotating gear disc is engaged with the drive gear, the center clamping part rotationally sets up in the upper end of the installation support disc.

[0005] Preferably, the center clamping part includes fixed mounting frame, electric push rod, extrusion positioning plate and rotating limiting disc, the extrusion positioning plate is symmetrically slidably connected on the rotating limiting disc, the fixed mounting frame is fixedly connected on both sides of the rotating limiting disc, the electric push rod is symmetrically fixedly installed on the fixed mounting frame, and the front end of the electric push rod is fixedly connected with the outside end of the extrusion positioning plate.

[0006] Preferably, the inside of the extrusion positioning plate is symmetrically fixedly installed with extrusion rubber strip.

[0007] Preferably, the middle part of the extrusion positioning plate is uniformly screwed with a screw shaft, the front end of the screw shaft is rotatably connected with an auxiliary extrusion disc, and the auxiliary extrusion disc is located inside the middle part of the extrusion positioning plate.

[0008] Preferably, the outer side end of the screw shaft is fixedly connected with a screw end.

[0009] Preferably, the upper end middle part of the rotating tooth disc and the upper end middle part of the mounting support disc are fixedly installed in the bottom end middle part of the rotating limiting disc.

[0010] The utility model discloses the beneficial effect that:

[0011] The utility model discloses can conveniently clamped positioning and sufficient fixed with the workpiece plate material of different specifications size, conveniently milled tooth smooth accurate carries out, and can conveniently adjust and control the angle of milled tooth in the process of milled tooth, makes milled tooth can accurate steady convenient firm carries out. DRAWINGS

[0012] The utility model further illustrates in combination with the drawings and examples.

[0013] Figure 1 It is the front visual angle solid structure schematic diagram of the main body in the utility model;

[0014] Figure 2 It is the bottom structure schematic diagram of the mounting support disc in the utility model;

[0015] Figure 3 It is the structure schematic diagram of the center clamping part in the utility model.

[0016] In the drawing: 1-fixed installation disc, 2-fixed installation hole, 3-electromagnetic brake type locking motor, 4-driving gear, 5-mounting support disc, 6-center clamping part, 7-rotating tooth disc, 8-fixed mounting frame, 9-electric push rod, 10-extrusion positioning plate, 11-rotating limiting disc, 12-auxiliary extrusion disc, 13-extrusion rubber block, 14-extrusion rubber strip, 15-screw shaft, 16-screw end. DETAILED DESCRIPTION

[0017] In order to make the personnel in the technical field better understand the scheme of the present application, the technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the person skilled in the art without creative labor should belong to the protection scope of the present application.

[0018] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and in the above drawings are used to distinguish similar objects, and do not necessarily have to describe a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device including a series of steps or units does not have to be limited to those steps or units clearly listed, but can include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0019] The utility model is further illustrated below in combination with the drawings.

[0020] As Figure 1 , Figure 2 and Figure 3 The utility model discloses a rack clamping and positioning mechanism of gear milling machine, including fixed mounting disc 1, fixed mounting hole 2, electromagnetic brake type locking motor 3, drive gear 4, installation support disc 5 and center clamping part 6, fixed mounting hole 2 evenly penetrates the edge position of fixed mounting disc 1, installation support disc 5 is fixedly installed in the upper end middle part of fixed mounting disc 1, electromagnetic brake type locking motor 3 is fixedly installed on fixed mounting disc 1, drive gear 4 is fixedly connected in the drive end of electromagnetic brake type locking motor 3, the middle part between fixed mounting disc 1 and installation support disc 5 is provided with rotary gear disc 7, and rotary gear disc 7 is engaged with drive gear 4, the upper end of rotary gear disc 7 is fixedly connected with the middle part of installation support disc 5, and center clamping part 6 is rotationally arranged on the upper end of installation support disc 5.

[0021] Center clamping part 6 includes fixed mounting frame 8, electric push rod 9, extrusion positioning plate 10 and rotary limiting disc 11, extrusion positioning plate 10 is symmetrically slidably connected on rotary limiting disc 11, fixed mounting frame 8 is fixedly connected on both sides of rotary limiting disc 11, electric push rod 9 is symmetrically fixedly installed on fixed mounting frame 8, and the front end of electric push rod 9 is fixedly connected with the outside end of extrusion positioning plate 10.

[0022] The inside of extrusion positioning plate 10 is symmetrically provided with extrusion rubber strip 14, which plays a protective anti-skid role.

[0023] The middle part of extrusion positioning plate 10 is uniformly provided with screw shaft 15, the front end of screw shaft 15 is rotationally connected with auxiliary extrusion disc 12, and the auxiliary extrusion disc 12 is located in the inside of the middle part of extrusion positioning plate 10, so that the middle part of the clamped and fixed workpiece can be extruded and fixed.

[0024] The outside end of screw shaft 15 is fixedly connected with screw end 16, which can be conveniently adjusted by using tools.

[0025] The upper middle part of the rotating gear disc 7 and the upper middle part of the installation support disc 5 are fixedly installed in the bottom middle part of the rotating limiting disc 11, and play a role of rotating angle adjustment.

[0026] Working principle: during use, the plate material to be processed is placed on the rotating limiting disc 11, and then the symmetrically distributed electric push rods 9 are started synchronously, the symmetrically arranged extrusion positioning plates 10 can slide along the rotating limiting disc 11 through the electric push rods 9, the metal plate material placed on the rotating limiting disc 11 is clamped in the middle part of the rotating limiting disc 11 through the symmetrically distributed extrusion positioning plates 10, and the plate material is firmly clamped in the middle part of the rotating limiting disc 11 through the arranged extrusion rubber strips 14, so that the milling tooth processing is convenient and stable, and the middle part of the extrusion positioning plate 10 is twisted through the twisted shaft 15 distributed in the middle part of the extrusion positioning plate 10, so that each auxiliary extrusion disc 12 clamps and fixes the middle part of the plate material through the extrusion rubber block 13, so that different specifications of metal plate materials can be firmly clamped and fixed, and the electromagnetic braking type locking motor 3 is started during processing, which can drive the driving gear 4 to rotate, the driving gear 4 rotates, which can drive the rotating gear disc 7 to rotate, so that the processing angle of the metal plate material clamped and fixed in the middle part of the rotating limiting disc 11 can be adjusted, so that the milling tooth can be conveniently and efficiently and accurately processed.

[0027] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A rack clamping positioning mechanism of a gear milling machine, comprising a fixed mounting disc (1), a fixed mounting hole (2), an electromagnetic brake locking motor (3), a driving gear (4), a mounting support disc (5) and a center clamping part (6), characterized in that: The fixed mounting hole (2) is uniformly arranged at the edge of the fixed mounting disc (1), the mounting support disc (5) is fixedly installed at the upper middle part of the fixed mounting disc (1), the electromagnetic brake type locking motor (3) is fixedly installed on the fixed mounting disc (1), the driving gear (4) is fixedly connected to the driving end of the electromagnetic brake type locking motor (3), the rotating tooth disc (7) is arranged between the middle part of the fixed mounting disc (1) and the mounting support disc (5), and the rotating tooth disc (7) is meshed and connected with the driving gear (4), and the center clamping part (6) is rotatably arranged at the upper end of the mounting support disc (5).

2. A rack clamping and positioning mechanism for a gear milling machine according to claim 1, characterized in that: The center clamping part (6) comprises a fixed mounting frame (8), an electric push rod (9), an extrusion positioning plate (10) and a rotating limiting disc (11), the extrusion positioning plate (10) is symmetrically and slidably connected to the rotating limiting disc (11), the fixed mounting frame (8) is fixedly connected to the two sides of the rotating limiting disc (11), the electric push rod (9) is symmetrically and fixedly installed on the fixed mounting frame (8), and the front end of the electric push rod (9) is fixedly connected with the outer end of the extrusion positioning plate (10).

3. A rack clamping and positioning mechanism for a gear milling machine as defined in claim 2 wherein: The inner side of the extrusion positioning plate (10) is symmetrically and fixedly provided with an extrusion rubber strip (14).

4. A rack clamping and positioning mechanism for a gear milling machine as defined in claim 3 wherein: The middle part of the extrusion positioning plate (10) is uniformly and threadedly rotatably connected with a screw shaft (15), the front end of the screw shaft (15) is rotatably connected with an auxiliary extrusion disc (12), and the auxiliary extrusion disc (12) is located in the inner side of the middle part of the extrusion positioning plate (10).

5. A rack clamping and positioning mechanism for a gear milling machine as defined in claim 4 wherein: The outer end of the screw shaft (15) is fixedly connected with a screw end (16).

6. A rack clamping and positioning mechanism for a gear milling machine according to claim 5, wherein: The upper middle part of the rotating tooth disc (7) and the upper middle part of the mounting support disc (5) are fixedly installed at the bottom middle part of the rotating limiting disc (11).

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