CN219766987U - Machine tool for machining bevel gear - Google Patents

Abstract

The utility model provides a machine tool for machining a bevel gear, which belongs to the field of gear machining and comprises the following components: lathe bed and workstation, the upper surface of workstation is equipped with fixed establishment, fixed establishment includes fixed disk of fixed connection in workstation upper surface, the centre of a circle position of fixed disk is connected with the rolling disc through the bearing rotation, the equidistance is equipped with four fixed subassemblies on the fixed disk, fixed subassembly is including the slip track of locating fixed disk upper surface, fixedly connected with guide bar in the slip track. The advantages are that: through setting up fixed establishment, fixed subassembly in the fixed establishment can be fine realize fixed to the helical gear of some big inner circles, and clamping assembly in the fixed establishment can realize fixed to the axial of work piece simultaneously, links fixed subassembly and clamping assembly simultaneously, realizes same output, carries out two position's fixation simultaneously, is favorable to improving production efficiency.

Description

Machine tool for machining bevel gear

Technical Field

The utility model relates to the field of gear machining, in particular to a machine tool for machining a bevel gear.

Background

The gear is a common part commonly used in mechanical transmission, and because the bearing capacity of the gear is strong and the gear is durable, the gear transmission is the most widely used mechanical transmission mode in modern equipment, and the bevel gear is used as a type of gear, and because the gear transmission is stable, the characteristics of small impact, vibration, noise and the like are adopted, the bevel gear is widely used in high-speed heavy-load occasions, and therefore, it is important to process the bevel gear with good quality, while some bevel gears have larger inner rings, and the quality of a finished product can be influenced due to the lack of stable fixing measures in the processing process.

An existing machine tool for helical gear machining comprises the following structures: the utility model discloses a numerical control machine tool for high-accuracy internal bevel gear processing, including workstation and the clamping device who is used for carrying out the centre gripping to the work piece that sets up on the workstation, clamping device includes casing, two clamping jaws and clamping mechanism of relative setting, the casing rotates to be connected on the workstation and is connected with the work piece rotary mechanism of lathe, two slot holes that slide have been seted up on the surface that the workstation was kept away from to the casing, two the slot hole that slides is in same straight line, the clamping jaw wears to establish at the slot hole that slides, the clamping jaw slides with the casing and is connected, clamping mechanism sets up in the casing, the one end that the clamping jaw penetrated the casing is connected with clamping mechanism, clamping mechanism is used for driving relative or back to back of the body between two clamping jaws and removes.

The existing lathe that is used for helical gear processing, the mode through threaded rod threaded connection is fixed to the machined part in the use, long-time use back, the phenomenon of threaded rod smooth silk can appear, influences the stability of other machined parts, simultaneously to the fixed of machined part axial, the fixed mode of bolt that adopts has four bolts altogether, and the operation is got up too loaded down with trivial details not enough convenient, influences the efficiency of processing.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides a machine tool for machining a bevel gear.

In order to solve the technical problems, the utility model adopts the following technical scheme:

a machine tool for helical gear machining, comprising: lathe bed and workstation, the upper surface of workstation is equipped with fixed establishment, fixed establishment includes fixed disk of fixed connection in workstation upper surface, the centre of a circle position of fixed disk is connected with the rolling disc through the bearing rotation, the equidistance is equipped with four fixed subassemblies on the fixed disk, fixed subassembly is including the slip track of locating the fixed disk upper surface, fixedly connected with guide bar in the slip track, the slider has been cup jointed in the sliding on the guide bar, the equidistance rotates on the rolling disc and is connected with four push rods, four the push rod articulates with four slider respectively, four all be equipped with clamping assembly on the slider, clamping assembly includes the casing of fixed connection in slider upper surface, the interior bottom surface fixedly connected with guide bar No. two of casing, sliding sleeve has No. two sliders on the guide bar, fixedly connected with splint on the lateral wall of No. two sliders keep away from splint, the spacer is articulated on the lateral wall that slider kept away from slider one end has the swinging arms, swinging arms and the bottom surface is kept away from the push pedal fixedly connected with push rod and the bottom surface of push rod, the bottom surface is kept away from between the push rod is equipped with the push rod fixedly connected with the push rod.

In order to better solve the technical problems, the utility model adopts a further technical scheme: the side wall of the pressing plate is provided with a protection pad, the lower bottom surface of the clamping plate is provided with a protection pad, and the protection pad is made of rubber materials.

In order to better solve the technical problems, the utility model adopts a further technical scheme: the workbench is internally provided with a stepping motor, and the output end of the stepping motor is fixedly connected with the center of the rotating disc.

In order to better solve the technical problems, the utility model adopts a further technical scheme: the pressing plate is elastically connected with the side wall of the shell through a spring.

In order to better solve the technical problems, the utility model adopts a further technical scheme: the lower end of the push plate is provided with an inclined plane, and the inclined plane corresponds to the swinging rod in a fitting way.

The utility model has the advantages that: through setting up fixed establishment, fixed subassembly in the fixed establishment can be fine realize fixed to the helical gear of some big inner circles, and clamping assembly in the fixed establishment can realize fixed to the axial of work piece simultaneously, links fixed subassembly and clamping assembly simultaneously, realizes same output, carries out two position's fixation simultaneously, is favorable to improving production efficiency.

Drawings

Fig. 1 is a schematic diagram of a front view of a machine tool for helical gear machining according to an embodiment of the present utility model.

Fig. 2 is a schematic top view of a fixing mechanism of a helical gear processing machine tool according to an embodiment of the present utility model.

Fig. 3 is a schematic diagram illustrating a side view of a clamping assembly of a machine tool for helical gear machining according to an embodiment of the present utility model.

In the above figures: the device comprises a lathe bed 1, a workbench 2, a fixed disc 3, a rotating disc 4, a sliding rail 5, a guide rod 6, a sliding block 7, a pushing rod 8, a shell 9, a guide rod 10, a sliding block 11, a clamping plate 12, a supporting rod 13, a swinging rod 14, a pushing plate 15, a pressing rod 16 and a pressing plate 17.

Detailed Description

The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.

As shown in fig. 1 to 3, an embodiment of the present utility model provides a machine tool for machining a helical gear, including: lathe bed 1 and workstation 2, the upper surface of workstation 2 is equipped with fixed establishment, fixed establishment includes fixed disk 3 of fixed connection in workstation 2 upper surface, the centre of a circle position of fixed disk 3 is connected with rolling disk 4 through the bearing rotation, the equidistance is equipped with four fixed subassemblies on the fixed disk 3, fixed subassembly is including locating the slip track 5 of fixed disk 3 upper surface, fixedly connected with guide bar 6 in the slip track 5, sliding sleeve has slider 7 on the guide bar 6, equidistant rotation is connected with four push rods 8 on the rolling disk 4, four push rods 8 are articulated with slider 7 respectively, be equipped with step motor in the workstation 2, step motor's output and rolling disk 4's central fixed connection, fixed subassembly among the fixed establishment can be fine the realization is fixed to the helical gear of some big inner circles, the too big helical gear of internal diameter has certain limitation when fixed, so from inside fixed realization firm function that can be fine.

When the rotary table is used, a workpiece to be processed is firstly placed on the fixed disc 3 of the workbench 2, after the rotary table is completed, the stepping motor is started to drive the rotary disc 4 to rotate, the rotary disc 4 is rotationally connected with four pushing rods 8, the four pushing rods 8 are respectively hinged with four first sliding blocks 7, the first sliding blocks 7 are sleeved on first guide rods 6 in the sliding track 5, so that when the rotary disc 4 rotates, the pushing rods 8 are driven to rotate, the first sliding blocks 7 are driven to move along the first guide rods 6 away from the circle center of the rotary disc, and the clamping assembly on the first sliding blocks 7 is driven to fix the workpiece to be processed.

The clamping assembly comprises a shell 9 fixedly connected to the upper surface of a first sliding block 7, a second guide rod 10 is fixedly connected to the inner bottom surface of the shell 9, a second sliding block 11 is sleeved on the second guide rod 10 in a sliding mode, a clamping plate 12 is fixedly connected to the lower bottom surface of the clamping plate 12, a supporting rod 13 is hinged to the side wall of the second sliding block 11, a swinging rod 14 is hinged to one end of the supporting rod 13, which is far away from the sliding block 1, of the supporting rod 13, one end of the swinging rod 14, which is far away from the supporting rod 13, is hinged to the bottom end of the second guide rod 10, the lower surface of the swinging rod 14 is connected with the inner bottom surface of the shell 9 through a spring elastic mode, a push plate 15 is arranged on the upper surface of the swinging rod 14, a pressing plate 16 is fixedly connected with a pressing rod 16, one end of the pressing rod 16, which is far away from the pressing plate 15, a pressing plate 17 is fixedly connected to the side wall of the pressing plate 17 is provided with a protection pad, the lower bottom surface of the clamping plate 12 is provided with a protection pad, the protection pad is made of rubber material, the pressing plate 17 and the side wall of the shell 9 is connected through a spring elastic mode, the lower end of the pressing plate 15 is set into an inclined plane, and the inclined plane corresponds to the pressing plate 14 in an attaching mode.

The first slider 7 drives the clamping assembly to move away from the center of the rotating disc 4, the pressing plate 17 is extruded, so that the pressing rod 16 is driven to move towards the direction inside the shell 9, the pushing plate 15 is driven to move together, the pushing plate 15 can push the swinging rod 14 to swing around the hinging position of the bottom end of the second guide rod 10, the swinging rod 14 is hinged with the supporting rod 13, the supporting rod 13 is hinged with the second slider 11, the second slider 11 is sleeved on the second guide rod 10, so that when the swinging rod 14 swings due to the movement of the pushing plate 15, the second slider 11 is driven to move downwards, the clamping plate 12 is driven to move downwards, the axial clamping of a machined piece is achieved, the inner ring of the machined piece is clamped by the four pressing plates 17, the linkage of a fixed mode is achieved, the operation is convenient, and the production efficiency is improved.

When the rotary table is used, a workpiece to be processed is firstly placed on the fixed disc 3 of the workbench 2, after the rotary table is completed, the stepping motor is started to drive the rotary disc 4 to rotate, the rotary disc 4 is rotationally connected with four pushing rods 8, the four pushing rods 8 are respectively hinged with four first sliding blocks 7, the first sliding blocks 7 are sleeved on first guide rods 6 in the sliding track 5, so that when the rotary disc 4 rotates, the pushing rods 8 are driven to rotate, the first sliding blocks 7 are driven to move along the first guide rods 6 away from the circle center of the rotary disc, and the clamping assembly on the first sliding blocks 7 is driven to fix the workpiece to be processed; the first slider 7 drives the clamping assembly to move away from the center of the rotating disc 4, the pressing plate 17 is extruded, so that the pressing rod 16 is driven to move towards the direction inside the shell 9, the pushing plate 15 is driven to move together, the pushing plate 15 can push the swinging rod 14 to swing around the hinging position of the bottom end of the second guide rod 10, the swinging rod 14 is hinged with the supporting rod 13, the supporting rod 13 is hinged with the second slider 11, the second slider 11 is sleeved on the second guide rod 10, so that when the swinging rod 14 swings due to the movement of the pushing plate 15, the second slider 11 is driven to move downwards, the clamping plate 12 is driven to move downwards, the axial clamping of a machined piece is achieved, the inner ring of the machined piece is clamped by the four pressing plates 17, the linkage of a fixed mode is achieved, the operation is convenient, and the production efficiency is improved.

Claims (5)

1. A machine tool for machining a helical gear is characterized by comprising: the utility model provides a lathe bed (1) and workstation (2), the upper surface of workstation (2) is equipped with fixed establishment, fixed establishment includes fixed disk (3) of fixed connection in workstation (2) upper surface, the centre of a circle position of fixed disk (3) is connected with rolling disc (4) through the bearing rotation, the equidistance is equipped with four fixed subassemblies on fixed disk (3), fixed subassembly is including locating sliding rail (5) of fixed disk (3) upper surface, sliding rail (5) internal fixation has guide bar (6), sliding sleeve has first slider (7) on guide bar (6), equidistant rotation is connected with four push rods (8) on rolling disc (4), four push rods (8) are articulated with four first slider (7) respectively, all are equipped with clamping assembly on first slider (7), clamping assembly is including casing (9) of fixed connection in first slider (7) upper surface, the bottom surface fixedly connected with second guide bar (10) on casing (9), sliding sleeve has first slider (11) on second guide bar (10), second slider (11) are kept away from on second slider (11), the utility model discloses a push plate structure, including bracing piece (13), push plate (15) fixedly connected with depression bar (16), push plate (15) one end fixedly connected with clamp plate (17) are kept away from to bracing piece (13), bracing piece (13) one end is kept away from to bracing piece (13) and is articulated with the bottom of No. two guide bars (10), through spring elastic connection between bracing piece (14) lower surface and the interior bottom surface of casing (9), push plate (15) are equipped with to the upper surface of bracing piece (14), push plate (16) one end is kept away from to depression bar (16).

2. The machine tool for machining the helical gear according to claim 1, wherein a protection pad is arranged on the side wall of the pressing plate (17), a protection pad is arranged on the lower bottom surface of the clamping plate (12), and the protection pad is made of rubber.

3. The machine tool for machining helical gears according to claim 1, wherein a stepping motor is arranged in the workbench (2), and an output end of the stepping motor is fixedly connected with the center of the rotating disc (4).

4. A machine tool for helical gear machining according to claim 1, characterized in that the pressure plate (17) is elastically connected to the side wall of the housing (9) by means of a spring.

5. The machine tool for helical gear processing according to claim 2, wherein the lower end of the push plate (15) is provided with an inclined surface, and the inclined surface corresponds to the swinging rod (14) in a fitting manner.