CN212351243U

CN212351243U - Mechanical feed device

Info

Publication number: CN212351243U
Application number: CN202020900397.0U
Authority: CN
Inventors: 李冠海; 王洪东; 王昌滕; 王昌济
Original assignee: Tengzhou Xiangtai Cnc Machine Tool Co ltd
Current assignee: Tengzhou Xiangtai Cnc Machine Tool Co ltd
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2021-01-15
Anticipated expiration: 2030-05-26

Abstract

The utility model relates to a mechanical feed ware belongs to lathe spare part. Including setting up the box of internal transmission structure, the left side of box is fixed in one side of workstation, it links to each other with inside transmission shaft to establish the lead screw hole on the box side, the motor is established to box rear face, motor output shaft inserts in the box, be provided with the transmission shaft that four groups are parallel to each other in the box, the transmission links to each other between axle I and lead screw, axle I establishes the I gear of axle of key-type connection, establish overload clutch between I gear of axle and axle I, the output shaft of motor establishes the worm in the box, be equipped with on axle II with worm complex turbine, fixed II sliding gear of axle that link to each other is established to turbine one side. The utility model can realize the eight-stage working speed feeding of the longitudinal X and the transverse Y, and ensure the cutting feeding; the one-level rapid feeding speed can be realized, the rapid return after cutting feeding can be realized, and the auxiliary time is reduced. Through overload protection of the overload clutch, slipping during overload is achieved, and subsequent gear transmission is disconnected.

Description

Mechanical feed device

Technical Field

The utility model relates to a mechanical feed ware belongs to lathe spare part.

Background

The feed device is mainly used for the working movement of the milling machine workbench in X, Y two coordinate directions to realize the feeding of the workbench. The prior feed device can realize multi-stage variable speed feeding, but the feed speed adjustment speed is still less, and the feed device cannot feed quickly.

Disclosure of Invention

The invention provides a mechanical feeder, which solves the problems of multi-stage speed change and quick feeding of the mechanical feeder.

In order to achieve the above object, the utility model adopts the following technical scheme:

a mechanical feeder comprises a box body with an internal transmission structure, wherein the left side of the box body is fixed on one side of a workbench, a screw rod hole is formed in the side surface of the box body and is connected with an internal transmission shaft, a motor is arranged on the rear surface of the box body, an output shaft of the motor is inserted into the box body, four groups of transmission shafts which are parallel to each other are arranged in the box body and are respectively a shaft I, a shaft II, a shaft III and a shaft IV, the shaft I is in transmission connection with the screw rod, the shaft I is provided with a shaft I gear in key connection, an overload clutch is arranged between the shaft I gear and the shaft I, an output shaft of the motor is arranged in the box body and is provided with a worm, the shaft II is provided with a turbine matched with the worm, one side of the turbine is provided with a shaft II sliding gear in fixed connection, a shaft II driving gear is fixedly connected to the shaft II, a shaft II and the shaft III are, the shaft II is also provided with a face gear clutch in key sliding connection, the face gear clutch can be connected with a multiple gear on the shaft II and a sliding gear on the shaft II, the shaft II is also provided with a driving gear II in key fixed connection, the driving gear II on the shaft is meshed with the gear I on the shaft, and a front panel of the box body is provided with a handle which is connected with the multiple gear in key sliding connection through a shifting fork and drives the multiple gear to slide along the connecting key.

Preferably, the turbine is sleeved on the gear sleeve through a key, a shaft II sliding gear is further arranged on one side of the gear sleeve, the gear sleeve is arranged on a shaft II through sliding connection, a three-way gear in sliding connection is arranged on a shaft III, a large-diameter gear and a gear on the three-way gear are in meshing transmission, a shaft IV driven duplex gear is arranged on a shaft IV through key sliding connection, two small-diameter gears on the three-way gear are in meshing transmission with two gears on the shaft IV driven duplex gear, a shaft IV driving duplex gear in key sliding connection is further arranged on the shaft IV, the shaft IV driving duplex gear and the shaft IV driven duplex gear can slide along a connecting key on the shaft IV, a shaft III driven duplex gear and a shaft III driving duplex gear in key fixed connection are arranged on the shaft III, the shaft III driving duplex gear can slide along the connecting key on the shaft III, and a shaft II driven duplex gear in key fixed connection is arranged on the shaft II.

Preferably, the face gear clutch is positioned between the driven duplicate gear of the shaft II and the gear sleeve, the shaft II can slide along the axial direction, and face teeth are arranged between the driven duplicate gear of the shaft II and the gear sleeve on the side close to the face gear clutch and are in meshing transmission with the face gear clutch; the shaft II is provided with a shaft II driving gear meshed with the shaft I gear.

Preferably, a handle I, a handle II and a handle III are arranged on a front panel of the box body, a handle IV is arranged on a bottom panel of the box body, each handle is provided with a rotating shaft which penetrates through the side wall of the box body, a shifting fork is arranged between the handle I and a driven duplicate gear of the shaft IV, a shifting fork is arranged between the handle II and a driving duplicate gear of the shaft IV, a shifting fork is arranged between the handle III and a driving duplicate gear of the shaft III, and the handle IV is connected with a face gear clutch through the shifting fork.

Preferably, the shaft I is arranged at the uppermost part in the box body, the shaft II is arranged below the shaft I, the worm penetrates through the space between the shaft I and the shaft II to be meshed and connected with the turbine, the shaft III is arranged in front of the shaft II, the shaft IV is arranged right above the shaft III, and gears of the shaft IV are staggered with the gears on the shaft I and the shaft II.

The utility model can realize the eight-stage working speed feeding in the longitudinal direction (X) and the transverse direction (Y) and ensure the cutting feeding; the one-level rapid feeding speed can be realized, the rapid return after cutting feeding can be realized, and the auxiliary time is reduced. Through overload protection of the overload clutch, slipping during overload is realized, and subsequent gear transmission is disconnected, so that the gear is protected from being damaged; in addition, the front and back feeding, the left and right feeding, the circular feeding and the like of the longitudinal direction (X) and the transverse direction (Y) are realized through the positive and negative rotation of the motor.

Drawings

Figure 1 is a front view of the present invention,

figure 2 is a cut-away view of figure 1 of the present invention,

figure 3 is a left side cutaway view of figure 1 of the present invention,

figure 4 is a partial cutaway view one of the present invention,

figure 5 is a partial cutaway view II of the present invention,

reference numerals: 1. the gear box comprises a box body, 2, a shaft I, 201, an overload clutch, 202, a shaft I gear, 3, a shaft II, 301 gear sleeve, 302, a shaft II sliding gear, 303, a shaft II driving gear, 304, a shaft II driven duplicate gear, 305, a face gear clutch, 4, a shaft III, 401, a triple gear, 402, a shaft III driven duplicate gear, 403, a shaft III driving duplicate gear, 5, a shaft IV, 501, a shaft IV driving duplicate gear, 502, a shaft IV driven duplicate gear, 6, a worm, 7, a turbine, 8, a shifting fork, 9, a handle I, 10, a handle II, 11, a handle III, 12, a handle IV, 13 and a motor.

Detailed Description

The following is a further description of the present invention:

the mechanical feeder comprises a box body 1 with an internal transmission structure, wherein the left side of the box body 1 is fixed on one side of a workbench, a screw rod hole is formed in the side surface of the box body 1 and is connected with an internal transmission shaft, a three-phase asynchronous motor is arranged on the rear surface of the box body 1, an output shaft of the three-phase asynchronous motor is inserted into the box body 1 and is internally provided with a worm, and power is transmitted to a worm wheel of a shaft II,

four groups of transmission shafts which are parallel to each other are arranged in the box body 1 and respectively comprise a shaft I2, a shaft II 3, a shaft III 4 and a shaft IV 5, the shaft I2 is located at the uppermost part in the box body 1, the shaft II 3 is located below the shaft I2, a worm penetrates through the space between the shaft I2 and the shaft II 3 and is meshed with a turbine to be connected with the turbine, the shaft III 4 is located in front of the shaft II 3, the shaft IV 5 is located right above the shaft III 4, and gears of the shaft IV 5 are staggered with gears on the shaft I2 and the shaft II 3.

The shaft I2 is in transmission connection with the screw rod, the shaft I2 is provided with a shaft I gear 202 in key connection, an overload clutch 201 is arranged between the shaft I gear 202 and the shaft I2, an output shaft of the motor is internally provided with a worm in the box body 1, a shaft II 3 is provided with a turbine matched with the worm,

the turbine passes through the key-type connection cover on gear sleeve 301, and gear sleeve 301 one side still is equipped with II sliding gear 302 of axle, and gear sleeve 301 sets up on II 3 of axle through sliding connection, and II driving gear 303 fixed connection of axle are on II 3 of axle, and II driving gear 303 of axle and I gear 202 meshing transmission of axle.

A three-link gear 401 in sliding connection is arranged on a shaft III 4, a large-diameter gear and a gear on the three-link gear 401 are in meshing transmission, a shaft IV driven duplex gear 502 is arranged on a shaft IV 5 in sliding connection through a key, two small-diameter gears on the three-link gear 401 are in meshing transmission with two gears on the shaft IV driven duplex gear 502, a shaft IV driving duplex gear 501 in sliding connection through a key is further arranged on the shaft IV 5, the shaft IV driving duplex gear 501 and the shaft IV driven duplex gear 502 can slide on the shaft IV 5 along a connecting key, a shaft III driven duplex gear 402 and a shaft III driving duplex gear 403 which are fixedly connected through a key are arranged on the shaft III 4, the shaft III driving duplex gear 403 can slide on the shaft III 4 along the connecting key, and a shaft II driven duplex gear 304 which is fixedly connected through a key is arranged on the shaft II 3.

The shaft II 3 is also provided with a face gear clutch 305 in key sliding connection, the face gear clutch 305 is positioned between the shaft II driven duplicate gear 304 and the gear sleeve 301, the shaft II 3 can slide along the axial direction, and face teeth are arranged on the side close to the face gear clutch 305 between the shaft II driven duplicate gear 304 and the gear sleeve 301 to be in meshing transmission with the face gear clutch 305.

The front panel of the box body 1 is provided with a handle which is connected with a multiple gear in sliding connection with the key through a shifting fork and drives the multiple gear to slide along the connecting key.

Specifically, as shown in fig. 1, a handle i, a handle ii and a handle iii are provided, a handle iv is provided on a bottom panel of a box body 1, each handle is provided with a rotating shaft penetrating through a side wall of the box body 1, a shifting fork is provided between the handle i and a driven duplicate gear 502 of the shaft iv, a shifting fork is provided between the handle ii and a driving duplicate gear 501 of the shaft iv, a shifting fork is provided between the handle iii and a driving duplicate gear 403 of the shaft iii, and the handle iv is connected with a face gear clutch through the shifting fork.

In the device, the power transmitted by the turbine is transmitted to the triple gear of the shaft III through the sliding gear of the shaft II and then transmitted to the shaft IV through the driving double gear of the shaft IV, so that two-stage speed change is realized. The speed is transmitted to a driven duplicate gear 11 of a shaft III from a driving duplicate gear of the shaft IV, and two-stage speed change is realized. The driving duplicate gear of the shaft III is transmitted to the driven duplicate gear 13 of the shaft II, and two-stage speed change is realized.

The speed of each speed adjustment is adjusted by three speed changing handles arranged on the box body, the face gear clutch 8 is adjusted by a high-low speed conversion handle to be meshed with a driven duplicate gear of the shaft II leftwards, power is transmitted to the shaft II, then the power is transmitted to a gear of the shaft I by a driving gear 14 of the shaft II, and then the power is transmitted to the shaft I by an overload clutch, so that eight-stage working feeding speed can be realized.

The one-level rapid feeding speed drives the face gear clutch 8 to be meshed with the sliding gear of the shaft II rightwards through the handle IV, power is directly transmitted to the shaft II, then the power is transmitted to the gear of the shaft I through the driving gear 14 of the shaft II, and then the power is transmitted to the shaft I through the overload clutch, so that the rapid feeding speed is realized.

The side of the box body 2 is provided with a connecting plate 1, the connecting plate 1 can be arranged on the longitudinal X and the transverse Y of the workbench of the universal rocker milling machine according to requirements, the inner hole of the shaft I is connected with the lead screw of the longitudinal X or the transverse Y, and the power lead screw is transmitted through a key, so that the eight-stage working speed feeding of the longitudinal X and the transverse Y is realized, and the cutting feeding is ensured. The one-level rapid feeding speed can realize rapid return after cutting feeding, and reduce the auxiliary time. The overload protection of the overload clutch 16 is adopted, so that the slipping during overload is realized, and the subsequent gear transmission is disconnected, so that the gear is protected from being damaged; in addition, the forward and reverse rotation of the three-phase asynchronous motor is electrically controlled to realize the forward and backward, the left and right feeding, the circular feeding and the like of the longitudinal direction X and the transverse direction Y.

Claims

1. A mechanical feeder comprises a box body (1) with an internal transmission structure, wherein the left side of the box body (1) is fixed on one side of a workbench, a screw rod hole is formed in the side surface of the box body (1) and is connected with an internal transmission shaft, a motor is arranged on the rear surface of the box body (1), and an output shaft of the motor is inserted into the box body (1), and the mechanical feeder is characterized in that four groups of transmission shafts which are parallel to each other are arranged in the box body (1), namely a shaft I (2), a shaft II (3), a shaft III (4) and a shaft IV (5), the shaft I (2) is connected with the screw rod in a transmission way, the shaft I (2) is provided with a shaft I gear (202) in a key connection way, an overload clutch (201) is arranged between the shaft I gear (202) and the shaft I (2), an output shaft of the motor is internally provided with a worm in the box body (1), the shaft II (3) is provided with a turbine matched with the worm, one side of, the shaft II (3) and the shaft III (4) are respectively provided with a sliding connection multiplex gear and a fixed connection multiplex gear, the shaft III (4) and the shaft IV (5) are respectively provided with a sliding connection multiplex gear and a key fixed connection multiplex gear, the shaft II (3) is further provided with a key sliding connection face gear clutch (305), the face gear clutch (305) can be connected with the multiplex gear and the shaft II sliding gear (302) on the shaft II (3), the shaft II (3) is further provided with a key fixed connection shaft II driving gear (303), the shaft II driving gear (303) is meshed with the shaft I gear (202), a front panel of the box body (1) is provided with a handle which is connected with the key sliding connection multiplex gear through a shifting fork and drives the multiplex gear to slide along the connecting key.

2. The mechanical feeder according to claim 1, wherein the turbine is sleeved on the gear sleeve (301) through a key, a shaft II sliding gear (302) is further arranged on one side of the gear sleeve (301), the gear sleeve (301) is arranged on the shaft II (3) through sliding connection, a sliding-connection triple gear (401) is arranged on the shaft III (4), a large-diameter gear and a gear on the triple gear (401) are in meshing transmission, a shaft IV driven double gear (502) is arranged on the shaft IV (5) through key sliding connection, two small-diameter gears on the triple gear (401) are in meshing transmission with two gears on the shaft IV driven double gear (502), a shaft IV driving double gear (501) in key sliding connection is further arranged on the shaft IV (5), the shaft IV driving double gear (501) and the shaft IV driven double gear (502) can slide along a connecting key on the shaft IV (5), and a shaft driven double gear (402) and a shaft III) which are fixedly connected through keys are arranged on the shaft (4) are arranged The gear (403), III initiative duplicate gear of axle (403) can slide along the connection key on III (4) of axle, is equipped with II driven duplicate gear of axle (304) through key fixed connection on II (3) of axle.

3. The mechanical feed device as claimed in claim 1, wherein the face gear clutch (305) is arranged between the shaft II driven duplicate gear (304) and the gear sleeve (301) and can slide on the shaft II (3) along the axial direction, and face teeth are arranged between the shaft II driven duplicate gear (304) and the gear sleeve (301) at the side close to the face gear clutch (305) to be in meshing transmission with the face gear clutch (305); the shaft II driving gear (303) on the shaft II (3) is meshed with the shaft I gear (202).

4. A mechanical feeder according to claim 1, wherein a handle i, a handle ii and a handle iii are provided on the front panel of the casing (1), a handle iv is provided on the bottom panel of the casing (1), each handle has a rotation shaft penetrating the side wall of the casing (1), a shift fork is provided between the handle i and the shaft iv driven dual gear (502), a shift fork is provided between the handle ii and the shaft iv driving dual gear (501), a shift fork is provided between the handle iii and the shaft iii driving dual gear (403), and the handle iv and the face gear clutch are connected by the shift fork.

5. A mechanical feeder as claimed in claim 1, wherein shaft i (2) is uppermost in the housing (1), shaft ii (3) is below shaft i (2), the worm is engaged with the worm gear through the space between shaft i (2) and shaft ii (3), shaft iii (4) is in front of shaft ii (3), shaft iv (5) is directly above shaft iii (4), and the gears of shaft iv (5) are staggered with respect to the gears on shaft i (2) and shaft ii (3).