CN214866373U

CN214866373U - Bender bearing structure

Info

Publication number: CN214866373U
Application number: CN202023336280.3U
Authority: CN
Inventors: 李兵; 陈艳涛; 吴贵雄
Original assignee: Chengdu Matsukawa Metal Materials Co ltd
Current assignee: Chengdu Matsukawa Metal Materials Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-11-26
Anticipated expiration: 2030-12-31

Abstract

The utility model belongs to the field of dies, in particular to a bending machine supporting structure, which comprises a punch, a workbench and a supporting part, wherein the upper end of the punch is provided with a limiting rod; the supporting part is respectively vertically provided with a guide rail at four corners of the workbench, the upper end of each guide rail is fixedly provided with a fixed pulley, and the lower end of each guide rail is provided with a gear capable of moving along the guide rail; the symmetric distribution is equipped with the driving chain between the same group guide rail at workstation both ends, in same guide rail group: one end of the transmission chain is fixedly connected with one gear, and the other end of the transmission chain is fixedly connected with the limiting rod by winding the fixed pulley of the same guide rail and the fixed pulley of the opposite side, and then fixedly connected with the gear of the opposite side by winding the fixed pulley of the opposite side; a connecting rod is fixedly connected between the two gears of the same group of guide rails and fixedly connected with the supporting rod. In the working process, the punch presses the limiting rod downwards, upward supporting force is provided for the pipe through the supporting part, and abrasion of the pipe to the workbench is reduced.

Description

Bender bearing structure

Technical Field

The utility model relates to a mould field specifically is a bender bearing structure.

Background

The bending machine is equipment capable of bending pipes, and mainly comprises a support, a workbench and a punch, wherein the workbench is composed of a base and a pressing plate. In the processing process, the punch downwards impacts the middle of the plate to be processed, meanwhile, the workbench at the lower part of the plate to be processed is impacted, the punch works for a long time, after frequent impact, the surface of the workbench deforms, and the maintenance cost is too high.

Disclosure of Invention

The utility model provides a bender bearing structure to solve current bender at the in-process of bending to tubular product, the workstation receives the frequent striking of drift to produce deformation, the too high problem of maintenance cost.

In order to solve the problem, the utility model provides a bender bearing structure, including drift, workstation and supporting part, its characterized in that: a limiting rod transversely penetrates through the upper part of the punch; the supporting part comprises guide rail groups which are vertically arranged at two ends of the workbench respectively, and each guide rail group comprises a first left guide rail, a first right guide rail, a second left guide rail and a second right guide rail; the first left guide rail and the first right guide rail are symmetrically arranged, and the second left guide rail and the second right guide rail are symmetrically arranged; a first left fixed pulley is fixedly arranged at the upper end of the first left guide rail, and a first left gear capable of moving along the guide rail is arranged at the lower end of the first left guide rail; the upper end of the first right guide rail is fixedly provided with a first right fixed pulley, and the lower end of the first right guide rail is provided with a first right gear which can move along the guide rail; a second left fixed pulley is fixedly arranged at the upper end of the second left guide rail, and a second left gear capable of moving along the guide rail is arranged at the lower end of the second left guide rail; a second right fixed pulley is fixedly arranged at the upper end of the second right guide rail, and a second right gear capable of moving along the guide rail is arranged at the lower end of the second right guide rail; a gear shaft of the first left gear is connected with a first transmission chain, the transmission chain sequentially bypasses the limiting rod and the first right fixed pulley and is connected to a gear shaft of the first right gear, and the first transmission chain is fixedly connected with the limiting rod; a gear shaft of the second left gear is connected with a second transmission chain, the transmission chain sequentially bypasses the limiting rod and the second right fixed pulley and is connected to a gear shaft of the second right gear, and the second transmission chain is fixedly connected with the limiting rod; a first connecting rod is fixedly connected between the first left gear and the first right gear, and a first supporting rod is fixedly connected in the middle of the first connecting rod; a second connecting rod is fixedly connected between the second left gear and the second right gear, and a second supporting rod is fixedly connected in the middle of the second connecting rod.

The basic principle of the scheme is as follows: the limiting rod arranged above the punch moves downwards along with the punch, and the first transmission chain and the second transmission chain connected to the limiting rod drive all the gears to move upwards along the tracks where the gears are respectively located under the turning action of all the fixed pulleys. In the same group of guide rails, the connecting rods connected with the two gears move upwards to drive the supporting rods connected with the connecting rods to move upwards, and the supporting rods generate upward supporting force for the pipe to be processed, so that the impact force of the punch on the workbench is reduced, and the problem that the workbench is deformed and has too high maintenance cost due to frequent impact of the punch in the bending process of the pipe is solved.

Further, the first support rod and the second support rod are bent pipes.

Furthermore, the upper part of one end of the bent pipe, which enters the pipe to be processed, is provided with a sucker, and the sucker increases the contact area between the support rod and the pipe to be processed, so that the acting force between the pipe to be processed and the support rod is dispersed.

Furthermore, the surface of the sucker is covered with a rubber layer to reduce the abrasion between the support rod and the pipe to be processed.

Further, the workstation transversely is equipped with the arc recess, increases the workstation and treats processing tubular product area of contact, and the local pressure of dispersion tubular product to the workstation.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is a right side view of the embodiment of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: punch 1, workstation 2, gag lever post 3, first left guide rail 4, first right guide rail 5, second left guide rail 6, second right guide rail 7, first left fixed pulley 8, first left gear 9, first right fixed pulley 10, first right gear 11, second left fixed pulley 12, second left gear 13, second right fixed pulley 14, second right gear 15, first driving chain 16, second driving chain 17, head rod 18, second connecting rod 19, first bracing piece 20, second bracing piece 21, wait to process tubular product 22, arc recess 23, sucking disc 24.

The embodiment is basically as shown in the accompanying figures 1 and 2, and the bending machine supporting structure comprises a punch 1, a workbench 2 and a supporting part, and is characterized in that: a limiting rod 3 transversely penetrates through the upper part of the punch 1; the supporting part comprises guide rail groups which are respectively arranged at two ends of the workbench 2, and each guide rail group comprises a first left guide rail 4, a first right guide rail 5, a second left guide rail 6 and a second right guide rail 7; the first left guide rail 4 and the first right guide rail 5 are symmetrically arranged, and the second left guide rail 6 and the second right guide rail 7 are symmetrically arranged; a first left fixed pulley 8 is fixedly arranged at the upper end of the first left guide rail 4, and a first left gear 9 capable of moving along the guide rail is arranged at the lower end of the first left guide rail 4; a first right fixed pulley 10 is fixedly arranged at the upper end of the first right guide rail 5, and a first right gear 11 capable of moving along the guide rail is arranged at the lower end of the first right guide rail; a second left fixed pulley 12 is fixedly arranged at the upper end of the second left guide rail 6, and a second left gear 13 capable of moving along the guide rail is arranged at the lower end; a second right fixed pulley 14 is fixedly arranged at the upper end of the second right guide rail 7, and a second right gear 15 capable of moving along the guide rail is arranged at the lower end of the second right guide rail 7; a gear shaft of the first left gear 9 is connected with a first transmission chain 16, the first transmission chain 16 sequentially bypasses the limiting rod 3 and the first right fixed pulley 10 and is connected to a gear shaft of the first right gear 11, and the first transmission chain 16 is fixedly connected with the limiting rod 3; a gear shaft of the second left gear 13 is connected with a second transmission chain 17, the second transmission chain 17 sequentially bypasses the limiting rod 3 and the second right fixed pulley 14 and is connected to a gear shaft of the second right gear 15, and the second transmission chain 17 is fixedly connected with the limiting rod 3; a first connecting rod 18 is fixedly connected between the first left gear 9 and the first right gear 11, and a first supporting rod 20 is fixedly connected in the middle of the first connecting rod 18; a second connecting rod 19 is fixedly connected between the second left gear 13 and the second right gear 15, and a second supporting rod 21 is fixedly connected in the middle of the second connecting rod 19.

In the working process, the limiting rod 3 arranged above the punch 1 moves downwards along with the punch, and the first transmission chain 16 and the second transmission chain 17 connected to the limiting rod 3 drive all the gears to move upwards along the respective tracks under the turning action of all the fixed pulleys. In the same group of guide rails, the connecting rods connected with the two gears move upwards to drive the supporting rods connected with the connecting rods to move upwards, and the supporting rods generate upward supporting force on the pipe 22 to be processed, so that the impact force of the punch 1 on the workbench 2 is reduced, and the problems that the workbench 2 is deformed due to frequent impact of the punch and the maintenance cost is too high in the bending process of the pipe in the conventional bending machine are solved.

The first support bar 20 and the second support bar 21 are bent tubes. The suction cup 24 is arranged at the upper part of one end of the bent pipe entering the pipe 22 to be processed, and the suction cup 24 increases the contact area between the support rod and the pipe 22 to be processed, so that the acting force between the pipe 22 to be processed and the support rod is dispersed. The surface of the suction cup 24 is covered with a rubber layer to reduce the abrasion between the support rod and the pipe 22 to be processed. The workstation transversely is equipped with arc recess 23, increases the workstation and treats processing tubular product 22 area of contact, and the local pressure of dispersion tubular product to workstation 2.

The above descriptions are merely examples of the present invention, and common general knowledge in the technical field such as the known specific structures and characteristics of the embodiments is not described herein too much, so that a person of ordinary skill in the art can know all the common technical knowledge in the technical field of the invention before the application date or the priority date, can know all the prior art in the technical field, and have the ability to apply the conventional experimental means before the application date. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The utility model provides a bender bearing structure, includes drift, workstation and supporting part, its characterized in that: a limiting rod transversely penetrates through the upper part of the punch; the supporting part comprises two groups of guide rails which are vertically arranged at two ends of the workbench respectively, and each guide rail group comprises a first left guide rail, a first right guide rail, a second left guide rail and a second right guide rail; the first left guide rail and the first right guide rail are symmetrically arranged, and the second left guide rail and the second right guide rail are symmetrically arranged; a first left fixed pulley is fixedly arranged at the upper end of the first left guide rail, and a first left gear capable of moving along the guide rail is arranged at the lower end of the first left guide rail; the upper end of the first right guide rail is fixedly provided with a first right fixed pulley, and the lower end of the first right guide rail is provided with a first right gear which can move along the guide rail; a second left fixed pulley is fixedly arranged at the upper end of the second left guide rail, and a second left gear capable of moving along the guide rail is arranged at the lower end of the second left guide rail; a second right fixed pulley is fixedly arranged at the upper end of the second right guide rail, and a second right gear capable of moving along the guide rail is arranged at the lower end of the second right guide rail; a gear shaft of the first left gear is connected with a first transmission chain, the transmission chain sequentially bypasses the limiting rod and the first right fixed pulley and is connected to a gear shaft of the first right gear, and the first transmission chain is fixedly connected with the limiting rod; a gear shaft of the second left gear is connected with a second transmission chain, the transmission chain sequentially bypasses the limiting rod and the second right fixed pulley and is connected to a gear shaft of the second right gear, and the second transmission chain is fixedly connected with the limiting rod; a first connecting rod is fixedly connected between the first left gear and the first right gear, and a first supporting rod is fixedly connected in the middle of the first connecting rod; a second connecting rod is fixedly connected between the second left gear and the second right gear, and a second supporting rod is fixedly connected in the middle of the second connecting rod.

2. The bending machine support structure according to claim 1, wherein: the first supporting rod and the second supporting rod are bent pipes.

3. The bending machine support structure according to claim 2, wherein: and a sucking disc is arranged at the upper part of one end of the bent pipe entering the pipe to be processed.

4. A bender support structure according to claim 3, wherein: the surface of the sucker is covered with a rubber layer.

5. The bending machine support structure according to claim 1, wherein: the workbench is provided with an arc-shaped groove along the length direction of the workbench.