CN213796979U

CN213796979U - Reciprocating mechanism for numerical control gear punching machine

Info

Publication number: CN213796979U
Application number: CN202022724476.3U
Authority: CN
Inventors: 陈卓
Original assignee: Chongqing Yumufang Handicraft Co ltd
Current assignee: Chongqing Yumufang Handicraft Co ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-07-27
Anticipated expiration: 2030-11-23

Abstract

The utility model discloses a reciprocating mechanism for a numerical control gear shaper, which comprises a motor, an eccentric seat, a bearing, a connecting rod, a cylinder supporting plate and a reciprocating movable seat; the eccentric seat comprises a strip-shaped plate body, a through groove is formed in the upper surface of the strip-shaped plate body along the length direction of the strip-shaped plate body, and one end of the lower surface of the eccentric seat is fixedly connected with an output shaft of the motor; the top of eccentric seat is located to the cylinder backup pad, and the flexible direction of one end perpendicular to cylinder of this cylinder backup pad has seted up the bar through-hole, and the one end of connecting rod sets firmly in leading to the inslot, and the bearing has been installed to the other end of connecting rod, and the bearing is rotatable arrange in the bar through-hole and can follow bar through-hole length direction and remove, the other end and the reciprocal sliding seat fixed connection of cylinder backup pad. This reciprocating mechanism adopts the bearing to drive the removal of actuating cylinder backup pad, helps reducing wear, prolongs reciprocating mechanism's life, and then reduction in production cost.

Description

Reciprocating mechanism for numerical control gear punching machine

Technical Field

The utility model relates to a tooth machine technical field, concretely relates to reciprocating mechanism that numerical control tooth machine was used.

Background

The wooden comb is a traditional process in China, and the comb is formed from a small wooden board to a fine wooden comb and needs more than ten procedures of tooth punching, tooth collision, smooth surface, tooth picking, tooth weighing, back sawing, back planing, grinding, planing and the like. Wherein, the gulleting is the first step of the whole process flow, and the quality of gulleting directly influences the durability and the aesthetic degree of the wooden comb. With the progress of science and technology and the development of technology, the tooth punching machine has gradually replaced the traditional tooth punching process.

The wooden comb propelling movement reciprocating mechanism in the existing gulleting machine generally adopts a stepping motor to drive a lead screw mechanism to move, and the structure has the following defects: 1. the speed of the stepping motor cannot be too fast, and the stepping motor is easy to lose steps, so that the control precision is reduced; 2. when the screw mechanism is adopted, the abrasion of the screw rod is serious.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a reciprocating mechanism that less numerical control tooth punching machine of wearing and tearing was used.

In order to achieve the purpose, the utility model provides a reciprocating mechanism for a numerical control gear shaper, which comprises a motor, an eccentric seat, a bearing, a connecting rod, a cylinder supporting plate and a reciprocating movable seat;

the eccentric seat comprises a strip-shaped plate body, a through groove is formed in the upper surface of the strip-shaped plate body along the length direction of the strip-shaped plate body, and one end of the lower surface of the eccentric seat is fixedly connected with an output shaft of the motor;

the cylinder backup pad is located the top of eccentric seat, and the flexible direction of one end perpendicular to cylinder of this cylinder backup pad has seted up the bar through-hole, the one end of connecting rod sets firmly in leading to the inslot, and the bearing has been installed to the other end of connecting rod, the bearing is rotatable arrange in the bar through-hole and can follow bar through-hole length direction and remove, the other end and the reciprocal sliding seat fixed connection of cylinder backup pad.

The reciprocating mechanism that a numerical control tooth punching machine that this embodiment provided fixes the cylinder in the cylinder backup pad, and it is rotatory that the motor rotates the output shaft that drives eccentric seat and use the motor as the center pin, and eccentric seat is rotatory to drive the connecting rod and rotates, because the connecting rod passes through bearing rotatable coupling with the cylinder backup pad, cylinder backup pad and reciprocal sliding seat can only be perpendicular to bar through-hole an and remove, consequently, will drive cylinder backup pad and reciprocal sliding seat reciprocating motion when the connecting rod rotates. This reciprocating mechanism adopts the bearing to drive the removal of actuating cylinder backup pad, helps reducing wear, prolongs reciprocating mechanism's life, and then reduction in production cost.

Preferably, the motor is a stepper motor.

Preferably, the connecting device further comprises a connecting seat in a T-shaped columnar structure, a fixing hole is axially formed in the center of the connecting seat, the free end of the motor output shaft is embedded in the fixing hole, a plurality of coaxial communicating holes are formed in the large-diameter end of the connecting seat and the bottom surface of the through groove, and the connecting seat is connected with the eccentric seat through screws penetrating through the communicating holes.

Preferably, the cross section of the through groove is of a T-shaped structure, an inverted T-shaped key is arranged in the through groove, an external thread is arranged at the lower end of the connecting rod, and the external thread is in threaded fit with an internal thread hole of the T-shaped key.

Preferably, a gasket is arranged between the matching surfaces of the lower surface of the cylinder supporting plate and the upper surface of the eccentric seat, and the gasket is sleeved outside the connecting rod.

Preferably, the connecting rod is a socket head cap screw.

Preferably, the cylinder supporting plate is provided with a limiting groove for clamping and fixing the cylinder.

Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below.

Fig. 1 is a sectional structural view of a reciprocating mechanism for a numerical control gear shaper according to an embodiment of the present invention;

FIG. 2 is a top view of the cylinder support plate of FIG. 1;

FIG. 3 is a front view of the eccentric base of FIG. 1;

fig. 4 is a schematic structural view of the reciprocating mechanism of fig. 1 after the cylinder is installed.

In the drawings, there is shown in the drawings,

the device comprises a motor 1, an eccentric seat 2, a through groove 2a, a bearing 3, a connecting rod 4, a cylinder supporting plate 5, a strip-shaped through hole 5a, a limiting groove 5b, a reciprocating movable seat 6, a screw, a T-shaped key 9, a gasket 10 and a cylinder 11.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

Referring to fig. 1 to 4, the present embodiment discloses a reciprocating mechanism for a numerical control gear shaper, which includes a motor 1, an eccentric seat 2, a bearing 3, a connecting rod 4, a cylinder supporting plate 5 and a reciprocating movable seat 6.

As shown in fig. 1 to 3, the eccentric seat 2 includes a strip-shaped plate, a through groove 2a is formed on the upper surface of the strip-shaped plate along the length direction of the strip-shaped plate, and one end of the lower surface of the eccentric seat 2 is fixedly connected with the output shaft of the motor 1; the top of eccentric seat 2 is located to cylinder backup pad 5, and bar through-hole 5a has been seted up to the flexible direction of the one end perpendicular to cylinder 11 of this cylinder backup pad 5, and the one end of connecting rod 4 sets firmly in leading to groove 2a, and bearing 3 has been installed to the other end of connecting rod 4, and bearing 3 is rotatable arrange in bar through-hole 5a and can follow bar through-hole 5a length direction and remove, cylinder backup pad 5's the other end and 6 fixed connection of reciprocal sliding seat in the rotatable strip through-hole of arranging.

Based on the foregoing, the reciprocating mechanism that a numerical control tooth punching machine that this embodiment provided used, fix cylinder 11 on cylinder backup pad 5, it is rotatory that motor 1 rotates the output shaft that the eccentric seat 2 of drive used motor 1 to be the center pin, 2 rotatory drive connecting rod 4 rotations of eccentric seat, because connecting rod 4 passes through bearing 3 rotatable coupling with cylinder backup pad 5, cylinder backup pad 5 and reciprocal movable seat 6 can only be perpendicular to bar through-hole 5a and remove, consequently, will drive cylinder backup pad 5 and reciprocal movable seat 6 reciprocating motion when connecting rod 4 rotates. This reciprocating mechanism adopts bearing 3 to drive cylinder backup pad 5 and removes, helps reducing wear, prolongs reciprocating mechanism's life, and then reduction in production cost.

In this embodiment, motor 1 is step motor, and when promoting cylinder 11 forward like this, can suitably reduce motor 1's rotational speed, makes the tooth punching accurate, when promoting cylinder 11 backward, can suitably improve motor 1's rotational speed, makes and moves back the tooth fast, is guaranteeing to open under the prerequisite of tooth precision like this, improves tooth punching efficiency.

In this embodiment, the connecting rod 4 is a socket head cap screw, and the connecting rod 4 adopting a standard component is simple and convenient to mount and low in cost.

As shown in fig. 1, the reciprocating mechanism further includes a connecting seat 7 having a T-shaped column structure, a fixing hole is axially formed in the center of the connecting seat 7, the free end of the output shaft of the motor 1 is embedded in the fixing hole, a plurality of coaxial communicating holes are formed in the large diameter end of the connecting seat 7 and the bottom surface of the through groove 2a, and the connecting seat 7 is connected with the eccentric seat 2 through a screw 8 penetrating the communicating holes. The connecting seat 7 is connected with the output shaft of the eccentric seat 2 and the motor 1, and the connecting device is simple in structure and convenient to install.

As shown in fig. 3, the cross section of the through groove 2a is a T-shaped structure, an inverted T-shaped key 9 is installed in the through groove 2a, an external thread is arranged at the lower end of the connecting rod 4, the external thread is in threaded fit with an internal thread hole of the T-shaped key 9, the T-shaped key 9 is arranged, on one hand, stroke adjustment is facilitated, and on the other hand, installation is facilitated.

As shown in FIG. 1, a gasket 10 is provided between the mating surfaces of the lower surface of the cylinder support plate 5 and the upper surface of the eccentric holder 2, and the gasket 10 is provided to help protect the cylinder support plate 5 and the eccentric holder 2.

In this embodiment, in order to facilitate installation of the cylinder 11, a limiting groove 5b for clamping and fixing the cylinder 11 may be formed in the cylinder support plate 5.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. A reciprocating mechanism for a numerical control gear shaper is characterized by comprising a motor (1), an eccentric seat (2), a bearing (3), a connecting rod (4), a cylinder supporting plate (5) and a reciprocating movable seat (6);

the eccentric seat (2) comprises a strip-shaped plate body, a through groove (2a) is formed in the upper surface of the strip-shaped plate body along the length direction of the strip-shaped plate body, and one end of the lower surface of the eccentric seat (2) is fixedly connected with an output shaft of the motor (1);

the top of eccentric seat (2) is located in cylinder backup pad (5), and bar through-hole (5a) have been seted up to the flexible direction of one end perpendicular to cylinder of this cylinder backup pad (5), the one end of connecting rod (4) sets firmly in leading to groove (2a), and bearing (3) have been installed to the other end of connecting rod (4), bearing (3) are rotatable arrange in bar through-hole (5a) and can follow bar through-hole (5a) length direction and remove, the other end and reciprocal sliding seat (6) fixed connection of cylinder backup pad (5).

2. A reciprocator for a numerical control gear shaper according to claim 1, characterized in that the motor (1) is a stepper motor (1).

3. The reciprocating mechanism for the numerical control gear shaper according to claim 1, characterized in that the reciprocating mechanism further comprises a connecting seat (7) having a T-shaped column structure, a fixing hole is axially formed in the center of the connecting seat (7), the free end of the output shaft of the motor (1) is embedded in the fixing hole, a plurality of coaxial communication holes are formed in the large-diameter end of the connecting seat (7) and the bottom surface of the through groove (2a), and the connecting seat (7) is connected with the eccentric seat (2) through a screw (8) penetrating through the communication holes.

4. A reciprocating mechanism for a numerical control gear shaper according to claim 1, characterized in that the cross-section of the through slot (2a) is T-shaped, an inverted T-shaped key (9) is installed in the through slot (2a), and the lower end of the connecting rod (4) has an external thread which is threadedly engaged with an internal threaded hole of the T-shaped key (9).

5. A reciprocating mechanism for a numerical control gear shaper according to claim 4, characterized in that a washer (10) is provided between the mating surfaces of the lower surface of the cylinder supporting plate (5) and the upper surface of the eccentric holder (2), and the washer (10) is sleeved on the connecting rod (4).

6. A reciprocating mechanism for a numerical control gear shaper according to claim 5, characterized in that the connecting rod (4) is a socket head cap screw.

7. The reciprocating mechanism for the numerical control gear hobbing machine according to claim 1, characterized in that a limiting groove (5b) for clamping and fixing the cylinder (11) is formed on the cylinder supporting plate (5).