CN217617424U

CN217617424U - Hoop bending machine for reinforcing steel bars

Info

Publication number: CN217617424U
Application number: CN202122926811.2U
Authority: CN
Inventors: 孙建强; 周超然; 汤德虎; 代恩豪
Original assignee: Henan Jianqi Construction Group Co ltd
Current assignee: Henan Jianqi Construction Group Co ltd
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2022-10-21
Anticipated expiration: 2031-11-22

Abstract

The utility model provides a reinforcing bar hoop bending machine, the load simulator comprises a case, the quick-witted incasement is provided with horizontal slip's push rod, one side interval of push rod is fixed with first rack and second rack, first rack and second rack subtend set up, the opposite side of push rod is fixed with the third rack, the third rack is located the one end that the push rod is close to the second rack, and set up in opposite directions with the second rack, the upper end of machine case is provided with the workstation, it is provided with first bending piece to rotate on the workstation, second bending piece and third bending piece, the lower extreme of first bending piece is provided with the first gear with first rack toothing, the lower extreme of second bending piece is provided with the second gear with second rack toothing, the lower extreme of third bending piece is provided with the third gear with third rack toothing, the centre of a circle of second gear and third gear is on same water flat line. The utility model discloses a three rack and the three cooperation of bending that corresponds can carry out the three operation of bending in step, improves the efficiency that the reinforcing bar was bent.

Description

Hoop bending machine for reinforcing steel bars

Technical Field

The utility model relates to a reinforcing bar processing equipment technical field especially indicates a curved hoop machine of reinforcing bar.

Background

Present small-size hoop bending machine bends the operation through the position of artifical adjustment reinforcing bar, nevertheless can only carry out one of reinforcing bar and bend at every turn, and will bend the reinforcing bar into the rectangle, need carry out the operation of bending 5 times usually, and the efficiency of bending is lower, and work load is big.

SUMMERY OF THE UTILITY MODEL

The utility model provides a reinforcing bar hoop bending machine through three rack and the three cooperation of bending that corresponds, can carry out the three operation of bending in step, improves the efficiency that the reinforcing bar was bent.

The technical scheme of the utility model is realized like this: the utility model provides a reinforcing bar hoop bending machine, which comprises a case, the quick-witted incasement is provided with the horizontal slip push rod, one side interval of push rod is fixed with first rack and second rack, first rack and the opposite direction setting of second rack, the opposite side of push rod is fixed with the third rack, the third rack is located the one end that the push rod is close to the second rack, and set up in opposite directions with the second rack, the upper end of quick-witted case is provided with the workstation, it is provided with first bending, second bending and third bending to rotate on the workstation, the lower extreme of first bending is provided with the first gear with first rack meshing, the lower extreme of second bending is provided with the second gear with second rack meshing, the lower extreme of third bending is provided with the third gear with third rack meshing, the centre of a circle of second gear and third gear is on same water flat line.

Optimally, the first bending part, the second bending part and the third bending part all comprise rotating shafts, rotating discs are fixed at the upper ends of the rotating shafts, positioning rollers and eccentric rollers are arranged at the upper ends of the rotating discs, the rotating shafts, the rotating discs and the positioning rollers are arranged coaxially, and the lower ends of the rotating shafts rotate to penetrate through the workbench and are connected with corresponding gears.

Optimally, the tooth length of the second rack is greater than or equal to the length of the third tooth.

Optimally, a horizontal hydraulic cylinder is arranged in the case, the hydraulic cylinder is connected with the push rod, and the hydraulic cylinder is positioned on one side of the push rod close to the third rack.

Preferably, the eccentric roller is located on the side of the turntable away from the edge of the table.

Optimally, horizontal guide rods are arranged in the machine cases on the two sides of the hydraulic cylinder, and the end parts of the push rods are sleeved on the guide rods in a sliding mode.

The utility model has the advantages that:

the utility model discloses a three rack and the three cooperation of bending that corresponds can carry out the three operation of bending in step, especially when bending the reinforcing bar into the rectangle, the accessible second is bent and the third is bent and is accomplished two angles of bending to the tip of reinforcing bar in step, and the first piece of bending also can carry out the synchronous of other reinforcing bars and bend, improves the efficiency that the reinforcing bar was bent.

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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 isbase:Sub>A sectional view taken along line A-A of FIG. 1 according tobase:Sub>A second embodiment;

FIG. 3 is a top view of FIG. 1;

FIG. 4 isbase:Sub>A sectional view taken along line A-A of FIG. 1 according to the third embodiment;

FIG. 5 is a schematic view of a 90-degree bend at the end of a reinforcing bar;

fig. 6 is a schematic view of the acute angle bending structure of the end of the steel bar.

The device comprises a case 1, a push rod 2, a hydraulic cylinder 3, a guide rod 4, a first rack 5, a second rack 6, a third rack 7, a workbench 8, a first bending piece 9, a second bending piece 10, a third bending piece 11, a first gear 12, a second gear 13, a third gear 14, a rotary table 15, a positioning roller 16, an eccentric roller 17 and a rotating shaft 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.

Example one

As shown in fig. 1-3, a hoop bending machine for reinforcing steel bars comprises a machine case 1, a horizontally sliding push rod 2 is arranged in the machine case 1, a horizontal hydraulic cylinder 3 is fixed in the machine case 1, the hydraulic cylinder 3 is connected with the push rod 2, horizontal guide rods 4 are fixed in the machine case 1 on both sides of the hydraulic cylinder 3, and the end parts of the push rod 2 are slidably sleeved on the guide rods 4. The push rod 2 is driven to horizontally reciprocate on the guide rod 4 by the extension and retraction of the hydraulic cylinder 3.

First rack 5 and second rack 6 are fixed at one side interval of push rod 2, first rack 5 and the opposite direction setting of second rack 6, the opposite side of push rod 2 is fixed with third rack 7, and set up with second rack 6 in opposite directions, third rack 7 is located the one end that push rod 2 is close to second rack 6, first rack 5, the equal level setting of second rack 6 and third rack 7, and link to each other perpendicularly with push rod 2, third rack 7 is located one side that push rod 2 is close to pneumatic cylinder 3, first rack 5 and second rack 6 are located one side that pneumatic cylinder 3 was kept away from to push rod 2.

A workbench 8 is fixed at the upper end of the case 1, a first bending part 9, a second bending part 10 and a third bending part 11 are rotatably arranged on the workbench 8, a first gear 12 meshed with the first rack 5 is fixed at the lower end of the first bending part 9, a second gear 13 meshed with the second rack 6 is fixed at the lower end of the second bending part 10, a third gear 14 meshed with the third rack 7 is fixed at the lower end of the third bending part 11, the circle centers of the second gear 13 and the third gear 14 are on the same horizontal line, the first gear 12 and the second gear 13 are both located at one end, far away from the push rod 2, of the corresponding rack, and the third gear 14 is located at one end, close to the push rod 2, of the third rack 7.

When the reinforcing steel bar hoop bending machine works, the hydraulic cylinder 3 extends to drive the push rod 2 to move along the guide rod 4, the push rod 2 pushes the first rack 5, the second rack 6 and the third rack 7 to move synchronously, and the first rack 5, the second rack 6 and the third rack 7 drive the first bending piece 9, the second bending piece 10 and the third bending piece 11 to rotate through the corresponding gears, so that three bending operations can be synchronously performed; the second rack 6 and the third rack 7 are oppositely arranged, so that the rotation directions of the second bending piece 10 and the third bending piece 11 are opposite, and two bending angles can be synchronously finished on the same reinforcing steel bar conveniently.

Example two

Optimally, as shown in fig. 1 and 3, the tooth length of the second rack 6 is equal to the tooth length of the third rack 7. The first bending part 9, the second bending part 10 and the third bending part 11 all comprise a rotating shaft 18, a rotating disc 15 is fixed at the upper end of the rotating shaft 18, a positioning roller 16 and an eccentric roller 17 are fixed at the upper end of the rotating disc 15, the rotating shaft 18, the rotating disc 15 and the positioning roller 16 are coaxially arranged, the lower end of the rotating shaft 18 rotates to penetrate through the workbench 8 and is connected with a corresponding gear, the rotating shaft 18 is connected with the workbench 8 in a rotating mode through a bearing, and the eccentric roller 17 is located on one side, away from the edge of the workbench 8, of the rotating disc 15.

When the reinforcing steel bar is bent, one end of the reinforcing steel bar is placed between the positioning rollers 16 and the eccentric rollers 17 of the second bending piece 10 and the third bending piece 11, then the hydraulic cylinder 3 extends to complete two bending of one end of the reinforcing steel bar, then the hydraulic cylinder 3 contracts to take out the reinforcing steel bar, the other end of the reinforcing steel bar is placed between the positioning rollers 16 and the eccentric rollers 17 of the second bending piece 10 and the third bending piece 11 to complete two times of bending of the other end of the reinforcing steel bar, so that the reinforcing steel bar structure shown in figure 5 is obtained, then the bent reinforcing steel bar is taken out and placed between the positioning rollers 16 and the eccentric rollers 17 of the first bending piece 9, the second bending piece 10 and the third bending piece 11, meanwhile, the non-bent reinforcing steel bar is additionally taken, the end portion of the non-bent reinforcing steel bar is placed between the positioning rollers 16 and the eccentric rollers 17 of the second bending piece 10 and the third bending piece 11, the hydraulic cylinder 3 extends to drive the first bending piece 9, the second bending piece 10 and the third bending piece 11 to rotate, the third bending piece 11 rotates to turn the bent reinforcing steel bar which is bent four times of bending, and the first bending piece 9 and the second bending piece 10 rotate to complete two bending of the newly bent reinforcing steel bar.

EXAMPLE III

Optimally, as shown in fig. 4, the tooth length of the second rack 6 is greater than that of the third rack 7, and the two bending angles of the bent rebar end are different, as shown in fig. 6.

The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a reinforcing bar hoop bending machine, includes quick-witted case, its characterized in that: a horizontally sliding push rod is arranged in the case, a first rack and a second rack are fixed on one side of the push rod at intervals, the first rack and the second rack are arranged oppositely, a third rack is fixed on the other side of the push rod, the third rack is positioned at one end, close to the second rack, of the push rod and is arranged opposite to the second rack, a workbench is arranged at the upper end of the case, a first bending piece, a second bending piece and a third bending piece are rotatably arranged on the workbench, a first gear meshed with the first rack is arranged at the lower end of the first bending piece, a second gear meshed with the second rack is arranged at the lower end of the second bending piece, a third gear meshed with the third rack is arranged at the lower end of the third bending piece, and the circle centers of the second gear and the third gear are on the same horizontal line;

the first bending part, the second bending part and the third bending part all comprise rotating shafts, rotating discs are fixed to the upper ends of the rotating shafts, positioning rollers and eccentric rollers are arranged at the upper ends of the rotating discs, the rotating shafts, the rotating discs and the positioning rollers are coaxially arranged, the lower ends of the rotating shafts rotate to penetrate through the workbench and are connected with corresponding gears, and the eccentric rollers are located on one side, away from the edge of the workbench, of the rotating discs.

2. The reinforcing bar hoop bending machine according to claim 1, wherein: the length of the teeth of the second rack is greater than or equal to the length of the third teeth.

3. The reinforcing bar hoop bending machine according to claim 1, wherein: a horizontal hydraulic cylinder is arranged in the case and connected with the push rod, and the hydraulic cylinder is located on one side, close to the third rack, of the push rod.

4. A rebar hoop bending machine as claimed in claim 3, wherein: horizontal guide rods are arranged in the machine boxes on the two sides of the hydraulic cylinder, and the end parts of the push rods are sleeved on the guide rods in a sliding mode.