CN111963655A - Special perforation formula speed reducer of straight thread rolling machine - Google Patents

Abstract

The invention discloses a special perforated reducer for a straight thread rolling machine. The structure includes a motor connecting plate, a pin gear housing, a pin and pin sleeve, an oscillating piece, an input shaft, an input shaft bearing, which are sequentially installed from left to right. Eccentric bearing, output shaft, base bearing 1, base bearing 2, reducer base and base end cover, motor connecting plate and pin gear housing are designed as one piece, and the pendulum is installed in the pin and pin sleeve. The grooves in the pin gear housing are matched and connected, one end of the input shaft is connected with the input shaft bearing, the other end is installed inside the pendulum plate of the pin gear housing, the input shaft bearing is connected with the eccentric bearing, the other end of the eccentric bearing is connected with the output bearing, and the output bearing is connected with the The output shaft, the first bearing of the base and the second bearing of the base are connected in sequence, and the other end of the second bearing of the base is connected with the frame of the reducer and the end cover of the base; the present invention can effectively solve the problems existing in the prior art, and is an improvement on the prior art. A scalable technological innovation, so it has good promotion and use value.

Description

A special perforated reducer for straight thread rolling machine

technical field

The invention relates to the technical field of machinery, in particular to a special perforated reducer for a straight thread rolling machine.

Background technique

Steel bar straight thread rolling machine is a steel bar processing machine widely used in the construction industry in recent years. It quickly and directly rolls the end of the steel bar to produce cold hardening at the head of the threading machine, thereby improving the strength and making the steel wire end the same as the base material. It consists of frame, clamping mechanism, feeding carriage, reducer and thread rolling head, cooling system and electrical system.

Since the reducer is installed and fixed on the support assembly, it is a common reducer product purchased from the market. At present, the reducer on the market has poor stability due to the incompatibility of the base design with it. It has been improved and upgraded to a certain extent, and its advantages after improvement are still great. With the improvement of technical requirements, there are also requirements for the accuracy of movement during normal operation, and certain requirements for torque force and rigidity.

Therefore, in order to meet the market demand, it is necessary to further improve the existing technology.

SUMMARY OF THE INVENTION

The main technical problem solved by the present invention is how to provide a special perforated reducer for a straight thread rolling machine, which can improve the transmission accuracy during normal operation, has low cost, and can increase the torque force and rigidity.

In order to solve the above-mentioned technical problems, a technical solution adopted by the present invention is to provide a special perforated reducer for a straight thread rolling machine, the structure of which includes a motor connecting plate, a pin gear housing, a pin pin and a pin which are installed in sequence from left to right. Pin sleeve, pendulum plate, input shaft, input shaft bearing, eccentric bearing, output shaft, base bearing 1, base bearing 2, reducer base and base end cover, of which the motor connection plate and pin gear housing are designed as one piece , the pendulum plate is installed in the needle pin and the needle pin sleeve and is matched with the groove in the pin gear housing. One end of the input shaft is connected with the input shaft bearing, and the other end is installed inside the pendulum plate of the pin gear housing. The input shaft bearing and the eccentric bearing The other end of the eccentric bearing is connected with the output bearing, the output bearing is connected with the output shaft, the first bearing of the base and the second bearing of the base, and the other end of the second bearing of the base is connected with the reducer frame and the end cover of the frame.

As a preference, the input shaft is 147mm long and 30mm thick to increase rigidity and torque.

Preferably, the bottom of the reducer base is provided with a guide hole into which the sliding rod of the thread rolling machine penetrates.

Further, there are four guide holes.

Preferably, a rack positioning groove is designed under the guide hole of the reducer, which can help the gear to drive the rack-driven reducer to move and operate.

The invention can effectively solve the problems existing in the prior art, mainly increases the rigidity and torque force for the design of the input shaft, and improves the transmission accuracy during operation through the integrated connection of the eccentric shaft, and the production cost is low, which is an improvement on the prior art. A scalable technological innovation, so it has good promotion and use value.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, under the premise of no creative work, other drawings can also be obtained from these drawings, wherein:

Fig. 1 is the connection relation structure exploded decomposition structure schematic diagram of the present invention;

Fig. 2 is the left side view structure schematic diagram of the present invention;

Fig. 3 is the right side view structure schematic diagram of the present invention;

Fig. 4 is the bottom view structure diagram of Fig. 1 of the present invention;

Fig. 5 is the front view of the eccentric bearing of the present invention;

Figure 6 is a side view of the eccentric bearing of the present invention;

7 is a perspective view of the eccentric bearing of the present invention;

Reference number:

1- motor connection plate; 2- pin gear housing; 3- pin and pin sleeve; 4- pendulum plate; 5- input shaft; 6- input shaft bearing; 7- eccentric bearing; 71- intermediate retainer; 72- eccentric sleeve; 73-ball; 8-output shaft; 81-output bearing; 9-base bearing one; 10-base bearing two; 11-reducer base; 111-guide hole; 12-base end cover; 13 - Rack positioning slot.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Please refer to FIGS. 1-4. In a specific embodiment of the present invention, a special perforated reducer for a straight thread rolling machine has a structure including a motor connecting plate 1, a pin gear housing 2, Pin and pin sleeve 3, pendulum plate 4, input shaft 5, input shaft bearing 6, eccentric bearing 7, output shaft 8, base bearing one 9, base bearing two 10, reducer base 11 and base end The cover 12, in which the motor connecting plate 1 and the pin gear housing 2 are designed as one piece, the pendulum plate 4 is installed in the pin pin and the pin pin sleeve 3 and is matched and connected with the groove in the pin gear housing 2, and one end of the input shaft 5 is connected with the input shaft bearing 6 is connected, the other end is installed inside the pendulum plate 4 of the pin gear housing 2, the input shaft bearing 6 is connected with the eccentric bearing 7, the other end of the eccentric bearing 7 is connected with the output shaft 8 through the output shaft bearing 81, and the output bearing 81 is connected with the output shaft 8 , The base bearing 19 and the base bearing 2 10 are connected in sequence, and the other end of the base bearing 2 10 is connected with the reducer base 11 and the base end cover 12 .

In the specific implementation process, the input shaft length is 147mm, and the thickness is 30mm to increase rigidity and torque.

In the specific implementation process, the bottom of the reducer base 11 is provided with a guide hole 111 through which the sliding bar of the thread rolling machine penetrates.

In the specific implementation process, four guide holes 111 are provided.

In the specific implementation process, a rack positioning groove 13 is designed under the guide hole 111 of the reducer, which can help the gear to drive the rack-driven reducer to move and operate.

In the specific implementation process, two pendulum pieces 4 are provided.

In the specific implementation process, the eccentric bearing 7 is composed of an intermediate holder 71 , an eccentric sleeve 72 is sleeved on the outer wall of the intermediate holder 71 , and a ball 73 is provided on the eccentric sleeve 72 .

The invention can effectively solve the problems existing in the prior art, mainly increases the rigidity and torque force for the design of the input shaft, and improves the transmission accuracy during operation through the integrated connection of the eccentric shaft, and the production cost is low, which is an improvement on the existing Technology is a technical innovation of one-time expansion, so it has good promotion and use value.

The above descriptions are only the embodiments of the present invention, and are not intended to limit the scope of the patent of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description of the present invention, or directly or indirectly applied in other related technical fields, are all applicable. Similarly, it is included in the scope of patent protection of the present invention.

It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, but that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments are to be regarded in all respects as illustrative and not restrictive, and the scope of the invention is to be defined by the appended claims rather than the foregoing description, which are therefore intended to fall within the scope of the claims. All changes within the meaning and scope of the equivalents of , are included in the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

In addition, it should be understood that although this specification is described in terms of embodiments, not each embodiment only includes an independent technical solution, and this description in the specification is only for the sake of clarity, and those skilled in the art should take the specification as a whole , the technical solutions in each embodiment can also be appropriately combined to form other implementations that can be understood by those skilled in the art.

Claims (7)

1. A special-purpose perforated reducer for a straight thread rolling machine, characterized in that the structure comprises a motor connecting plate, a pin gear housing, a pin and pin sleeve, a pendulum plate, an input shaft, an input shaft installed in sequence from left to right Bearing, eccentric bearing, output shaft, base bearing 1, base bearing 2, reducer base and base end cover, in which the motor connection plate and pin gear housing are designed as one piece, and the pendulum plate is installed on the pin and pin pin. The inside of the sleeve is matched with the groove in the pin gear housing, one end of the input shaft is connected with the input shaft bearing, the other end is installed inside the pendulum plate of the pin gear housing, the input shaft bearing is connected with the eccentric bearing, and the other end of the eccentric bearing is connected with the output bearing. The output bearing is connected with the output shaft, the first bearing of the frame and the second bearing of the frame in turn, and the other end of the second bearing of the frame is connected with the frame of the reducer and the end cover of the frame. 2. The special-purpose perforated reducer for a straight thread rolling machine according to claim 1, wherein the input shaft is 147mm long and 30mm thick. 3 . The perforated reducer for a straight thread rolling machine according to claim 1 , wherein the bottom of the reducer base is provided with a guide hole into which the sliding rod of the rolling machine penetrates. 4 . 4 . The perforated reducer for a straight thread rolling machine according to claim 3 , wherein there are four guide holes. 5 . 5. A special perforated reducer for a straight thread rolling machine according to claim 1, characterized in that a rack positioning groove is designed under the guide hole of the reducer, which can help the gear drive the rack linkage reducer The mobile operation works during operation. 6 . The special perforated reducer for a straight thread rolling machine according to claim 1 , wherein there are two pendulum plates. 7 . 7. A special perforated reducer for a straight thread rolling machine according to claim 1, characterized in that the eccentric bearing is composed of an intermediate retainer, the outer wall of the intermediate retainer is sleeved with an eccentric sleeve, and the eccentric sleeve is provided with balls. .

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