CN103008787A - Precision carbide band saw blade automatic gear grinding machine - Google Patents

Abstract

The invention relates to the technical field of gear grinding machines, in particular to an automatic gear grinding machine for a precision hard alloy band saw blade. It is including the hydraulic pressure station, the base is installed to hydraulic pressure station top, the base top is provided with the aircraft nose, the base has the saw blade support frame through lift axle sleeve connection, the both sides of aircraft nose are provided with front and back angle bistrique device and side angle bistrique device respectively, the aircraft nose is connected with main elevator motor, be provided with first saw blade fixing device between front and back angle bistrique device and the base, be provided with second saw blade fixing device between side angle bistrique device and the base, be provided with concentric horizontal axis between front and back angle bistrique device and the side angle bistrique device. The automatic tooth grinding machine for the precise hard alloy band saw blade can be used for simultaneously finishing the tooth shapes of the front and rear corners and the side corners, the tooth shapes are standard, smooth and sharp, and the working efficiency is effectively improved.

Description

Precision carbide band saw blade automatic gear grinding machine

technical field

The invention relates to the technical field of gear grinding machines, in particular to an automatic gear grinding machine for precision hard alloy band saw blades.

Background technique

With the advancement of industrial modernization, the processing and manufacturing industries in the industrial field are developing towards mechanization and automation. As an indispensable processing tool in the machinery manufacturing industry, the band saw is particularly important in the field of tool maintenance and processing. During its use, it needs continuous maintenance to achieve the use effect. When producing cemented carbide band saws in the past, the welded cemented carbide strips were usually ground at different angles to obtain the required band saw. However, in the prior art, the side angle and the front and rear angles are often ground separately by a single machine during the grinding process, which has extremely low efficiency and the accuracy cannot meet the required requirements. Due to the repetition of the upper and lower saw blades, saw blades of different specifications require different types of gear grinding machines for grinding, and the equipment cost is relatively high.

Contents of the invention

Aiming at the technical problem to be solved, the present invention provides an automatic gear grinding machine for precision hard alloy band saw blades. The standard is smooth and sharp, which effectively improves the work efficiency.

In order to solve the above technical problems, the present invention adopts the following technical solutions:

The precision carbide band saw blade automatic gear grinding machine includes a hydraulic station, a base is installed above the hydraulic station, a machine head is arranged above the base, and the base is connected to a saw blade support frame through a lifting sleeve. Front and rear angle grinding head devices and side angle grinding head devices are respectively provided on both sides of the machine head. The machine head is connected with a main lifting motor. A second saw blade fixing device is arranged between the angle grinding head device and the base, and a concentric horizontal shaft is arranged between the front and rear angle grinding head devices and the side angle grinding head device.

Wherein, the front and rear angle grinding head device includes front and rear angle grinding head sliding sleeves and front and rear angle grinding heads mounted on the front and rear angle grinding head sliding sleeves, and the front and rear angle grinding head sliding sleeves are equipped with front and rear angle grinding head angle adjustment reducers , the front and rear angle grinding head sliding sleeves are connected with front and rear angle hydraulic cylinders, and the front and rear angle grinding heads are driven and connected with front and rear angle grinding head motors.

Wherein, the first saw blade fixing device includes a first clip saw board and a first fine-tuning rod, a first clip saw board fine-tuning table is arranged between the first clip saw board and the base, and the first clip saw board fine-tuning platform is installed on the first In the first clip saw board.

Further, the front and rear angle grinding head device also includes a first push rod, the first push rod is driven and connected with a first push rod stepping motor, and the first push rod sleeve is provided with a first push rod movable sleeve .

Wherein, a grinding head height fine-tuning platform is installed between the front and rear angle grinding head sliding sleeves and the concentric horizontal shaft.

Wherein, the side angle grinding head device includes a side angle grinding head sliding sleeve and a side angle grinding head installed on the side angle grinding head sliding sleeve, the side angle grinding head sliding sleeve is connected with an adjustable oil cylinder, and the side angle The grinding head drive is connected with a side grinding motor.

Wherein, the second saw blade fixing device includes a second clip saw board and a second fine-tuning rod, a second clip saw board fine-tuning table is arranged between the second clip saw board and the base, and the second clip saw board fine-tuning platform is installed In the second clip saw board.

Further, the side angle grinding head device also includes a second push rod, the second push rod is driven and connected to a second push rod stepping motor, and the second push rod sleeve is provided with a second push rod movable sleeve .

Still further, an auxiliary lifting motor is arranged between the hydraulic station and the base.

Preferably, the saw blade support frame is covered with linear bearings.

The beneficial effects of the present invention are:

The precision hard alloy band saw blade automatic gear grinding machine described in the present invention can simultaneously adjust the front and rear angles and side angles of the band saw blade by setting the front and rear angle grinding head devices and the side angle grinding head devices on both sides of the machine head respectively. The tooth shape is trimmed, the tooth shape is standard clean and sharp, which effectively improves the work efficiency; the saw blade support frame is connected to the base through the lifting bushing, and the longitudinal distance between the band saw blade relative to the machine head can be adjusted, so that the present invention can be used in The tooth shape trimming of band saw blades of different specifications can effectively reduce the equipment cost investment of enterprises.

Description of drawings

Fig. 1 is the front view of the precision carbide band saw blade automatic gear grinding machine of the present invention.

Fig. 2 is a top view of the precision carbide band saw blade automatic gear grinding machine of the present invention.

Included in Figures 1 to 2 are the labels:

1——Hydraulic station 2——Base

3——machine head 4——saw blade support frame

5——Front and rear angle grinding head device 6——Side angle grinding head device

7——The first saw blade fixing device 8——The second saw blade fixing device

9——Concentric horizontal axis 10——Grinding head height fine-tuning platform

21——Lifting sleeve 22——Auxiliary lifting motor

31——Main lifting motor 41——Linear bearing

51——Front and rear angle grinding head sliding sleeve 52——Front and rear angle grinding head

53——Front and rear angle grinding head angle adjustment reducer 54——Front and rear angle hydraulic cylinder

55——Front and rear angle grinding head motor 56——First push rod

57——The first push rod stepper motor 58——The first push rod movable sleeve

61——Sliding sleeve of side angle grinding head 62——Side angle grinding head

63——Adjustable oil cylinder 64——Side grinding motor

65——The second push rod 66——The second push rod stepping motor

67——The second push rod movable sleeve 71——The first clip sawing board

72——The first fine-tuning lever 73——The first fine-tuning platform for sawing board

81——The second clip saw board 82——The second fine-tuning lever

83—the second clip saw board fine-tuning platform.

Detailed ways

In order to facilitate the understanding of those skilled in the art, the present invention will be further described below in conjunction with the embodiments and accompanying drawings, and the contents mentioned in the embodiments are not intended to limit the present invention.

As shown in Figures 1 to 2, the precision carbide band saw blade automatic gear grinding machine includes a hydraulic station 1, a base 2 is installed above the hydraulic station 1, a machine head 3 is arranged above the base 2, and the base 2 The saw blade support frame 4 is connected through the lifting bushing 21, the front and rear angle grinding head devices 5 and the side angle grinding head devices 6 are respectively arranged on both sides of the machine head 3, and the machine head 3 is connected with a main lifting motor 31, A first saw blade fixing device 7 is arranged between the front and rear angle grinding head device 5 and the base 2, a second saw blade fixing device 8 is arranged between the side angle grinding head device 6 and the base 2, and the front and rear angle grinding head device 6 is provided with a second saw blade fixing device 8. A concentric horizontal shaft 9 is set between the device 5 and the side angle grinding head device 6; further, an auxiliary lifting motor 22 is set between the hydraulic station 1 and the base 2; further, the saw blade support frame 4 is sleeved There is a linear bearing 41 .

When using the present invention to trim the tooth profile of a cemented carbide band saw blade, first install the welded looped band saw blade on the saw blade support frame 4, and carry out the process through the first saw blade fixing device 7 and the second saw blade fixing device 8. Automatic positioning; set the tooth pitch parameters on the machine head 3, adjust the distance between the band saw blade and the front and rear angle grinding device 5 and the side angle grinding device 6, and turn on the front and rear angle grinding device 5 and the side angle grinding device 6 The front angle, rear angle and side angle of the band saw blade can be trimmed at the same time. Wherein said front and rear angle grinding head device 5 and side angle grinding head device 6 are provided with a concentric horizontal shaft 9, which can ensure that front and rear angle grinding head device 5 and side angle grinding head device 6 remain on the same horizontal tooth; The lifting motor 31 can control the lifting of the machine head 3, thereby controlling the longitudinal movement of the front and rear angle grinding head device 5 and the side angle grinding head device 6; the auxiliary lifting motor 22 controls the height of the saw blade support frame 4 by adjusting the height of the base 2 Lifting: Since the saw blade support frame 4 is provided with a linear bearing 41, it can ensure the smooth and accurate transmission of the band saw blade during processing.

The precision hard alloy band saw blade automatic gear grinding machine described in the present invention can simultaneously adjust the front and rear angles and The tooth shape of the side angle is trimmed, and the tooth shape is standard, clean and sharp, which effectively improves the work efficiency; the saw blade support frame 4 is connected with the base 2 through the lifting bushing 21 and the auxiliary lifting motor 22, and the band saw blade can be adjusted relative to the machine head 3 The longitudinal distance makes the present invention applicable to the trimming of band saw blades of different specifications, effectively reducing the equipment cost investment of enterprises.

As a preferred embodiment, the front and rear angle grinding head device 5 includes a front and rear angle grinding head sliding sleeve 51 and a front and rear angle grinding head 52 installed on the front and rear angle grinding head sliding sleeve 51, and the front and rear angle grinding head sliding sleeve 51 is installed There are front and rear angle grinding head angle adjustment reducers 53, the front and rear angle grinding head sliding sleeves 51 are connected with front and rear angle hydraulic cylinders 54, and the front and rear angle grinding heads 52 are driven and connected with front and rear angle grinding head motors 55; The head device 6 includes a side angle grinding head sliding sleeve 61 and a side angle grinding head 62 installed on the side angle grinding head sliding sleeve 61, the side angle grinding head sliding sleeve 61 is connected with an adjustable oil cylinder 63, and the side angle grinding head The head 62 is drivingly connected with a side grinding motor 64 ; wherein, a grinding head height fine-tuning platform 10 is installed between the front and rear angle grinding head sliding sleeves 51 and the concentric horizontal shaft 9 .

In the present invention, the front and rear angle grinding heads 52 are single grinding heads using diamond grinding wheels, the side angle grinding heads 62 are double grinding heads using diamond grinding wheels, and the front and rear angle hydraulic cylinders 54 drive the front and rear angle grinding heads The sliding sleeve 51 drives the front and rear angle grinding heads 52 to move back and forth, and the front and rear angle grinding heads 52 modify the tooth profile of the band saw blade driven by the front and rear angle grinding head motors 55; the adjustable oil cylinder 63 drives the side angle grinding heads The sliding sleeve 61 drives the side angle grinding head 62 to move back and forth, and the side angle grinding head 62 trims the tooth shape of the band saw blade driven by the side grinding motor 64; the front and rear angle grinding head angle adjustment reducer 53 can adjust the front and rear The angle of inclination of the angle grinding head 52, thereby cooperating with the front and rear angle grinding head motors 55 to trim band saw blades of different specifications and different tooth shapes; the grinding head height fine-tuning table 10 can further realize 62 precise control.

Further, the first saw blade fixing device 7 includes a first clip saw board 71 and a first fine-tuning rod 72 , and a first clip saw board fine-adjustment table 73 is arranged between the first clip saw board 71 and the base 2 , The first fine-tuning rod 72 is installed on the first saw blade 71; A second fine-tuning platform 83 for sawing boards is arranged between them, and the second fine-tuning rod 82 is installed on the second sawing boards 81 . The first saw blade fixing device 7 described in the present invention includes a first clamping saw board 71 and a first fine-tuning rod 72, through which the installation height of the band saw blade can be fine-tuned; the first clamping saw board 71 and the base 2 are provided with a first clip saw board fine-tuning station 73, which can fine-tune the distance between the first clip saw board 71 and the base 2; the second saw blade fixing device 8 includes a second clip saw Plate 81 and the second fine-tuning lever 82, through the second fine-tuning lever 82, the installation height of the band saw blade can be fine-tuned; between the second clamping saw plate 81 and the base 2, a second clamping saw plate fine-tuning platform 83 is arranged, which can The distance between the second sawing board 81 and the base 2 is fine-tuned.

Still further, the front and rear angle grinding head device 5 also includes a first push rod 56, the first push rod 56 is driven and connected with a first push rod stepping motor 57, and the first push rod 56 is sleeved with The first push rod movable sleeve 58; the side angle grinding head device 6 also includes a second push rod 65, and the second push rod 65 is drivingly connected with a second push rod stepping motor 66, and the second push rod 65 cover are provided with the second push rod movable cover 67. During the processing of the band saw blade, the present invention respectively installs the first push rod 56 and the second push rod 65 on the front and rear angle grinding head device 5 and the side angle grinding head device 6 to move the band saw blade, and uses the first push rod respectively The rod stepping motor 57 and the second push rod stepping motor 66 are driven and controlled to ensure the precise transmission of the band saw blade.

The above-mentioned embodiment is one of the preferred implementation schemes of the present invention. In addition, the present invention can also be realized in other ways, and any obvious replacements are within the protection scope of the present invention without departing from the concept of the present invention. .

Claims (10)

1. Precision hard alloy band saw blade automatic gear grinding machine, including a hydraulic station, a base is installed above the hydraulic station, and a machine head is arranged above the base, and the feature is that the base is connected with a saw blade through a lifting bushing. A front and rear angle grinding head device and a side angle grinding head device are respectively arranged on both sides of the machine head, the machine head is connected with a main lifting motor, and a first saw blade is arranged between the front and rear angle grinding head device and the base As for the fixing device, a second saw blade fixing device is arranged between the side angle grinding head device and the base, and a concentric horizontal shaft is arranged between the front and rear angle grinding head devices and the side angle grinding head device. 2. The precision carbide band saw blade automatic gear grinding machine according to claim 1, characterized in that: the front and rear angle grinding head device includes front and rear angle grinding head sliding sleeves and front and rear angle grinding head sliding sleeves installed on the front and rear angle grinding head sliding sleeves. Angle grinding head, the front and rear angle grinding head sliding sleeves are equipped with front and rear angle grinding head angle adjustment reducers, the front and rear angle grinding head sliding sleeves are connected with front and rear angle hydraulic cylinders, and the front and rear angle grinding head drives are connected with front and rear angle grinding heads head motor. 3. The precision carbide band saw blade automatic gear grinding machine according to claim 2, characterized in that: the first saw blade fixing device includes a first clip saw plate and a first fine-tuning lever, and the first clip saw A first sawing board fine-tuning platform is arranged between the board and the base, and the first fine-tuning rod is installed on the first sawing board. 4. The precision carbide band saw blade automatic gear grinding machine according to claim 2, characterized in that: the front and rear angle grinding head device also includes a first push rod, and the first push rod is connected with a first A push rod stepping motor, the first push rod sleeve is provided with a first push rod movable sleeve. 5. The precision carbide band saw blade automatic gear grinding machine according to claim 2, characterized in that: a grinding head height fine-tuning table is installed between the front and rear angle grinding head sliding sleeves and the concentric horizontal shaft. 6. The precision carbide band saw blade automatic gear grinding machine according to claim 1, characterized in that: said side angle grinding head device includes a side angle grinding head sliding sleeve and a side angle grinding head sliding sleeve installed on the side of the side angle grinding head sliding sleeve An angle grinding head, the sliding sleeve of the side angle grinding head is connected with an adjustable oil cylinder, and the drive of the side angle grinding head is connected with a side grinding motor. 7. The precision carbide band saw blade automatic gear grinding machine according to claim 6, characterized in that: the second saw blade fixing device includes a second clip saw plate and a second fine-tuning lever, and the second clip saw A second sawing board fine-tuning platform is arranged between the board and the base, and the second fine-tuning rod is installed on the second sawing board. 8. The precision carbide band saw blade automatic gear grinding machine according to claim 6, characterized in that: the side angle grinding head device also includes a second push rod, and the second push rod is drivingly connected with a second A push rod stepping motor, the second push rod sleeve is provided with a second push rod movable sleeve. 9. The precision carbide band saw blade automatic gear grinding machine according to claim 1, characterized in that: an auxiliary lifting motor is arranged between the hydraulic station and the base. 10. The precision carbide band saw blade automatic gear grinding machine according to any one of claims 1 to 9, characterized in that: the saw blade support frame is covered with a linear bearing.

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