CN2513696Y

CN2513696Y - Roll for forming reinforced bar

Info

Publication number: CN2513696Y
Application number: CN 01264188
Authority: CN
Inventors: 戴清科
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-10-19
Filing date: 2001-10-19
Publication date: 2002-10-02
Anticipated expiration: 2011-10-19

Abstract

The utility model provides a roller used for the steel bar molding. When manufacturing the steel bar and execute the last step of rolling, a section of reserved part with the quite large outer diameter is formed at the steel bar synchronously, which can be manufactured as outer screw threads by the pattern of the mechanical processing and match with a splice device when the steel bar is joined. The roller structure includes a pair of rollers, the circle faces of which are provided with embossing slots, which are opposite to each other and respectively surround the circle. The embossing slots are provided with one or more than one reserved areas, and the reserved areas of the pair of the roller are arranged by the pattern of being opposite.

Description

The roll that the reinforcing bar moulding is used

Technical field

The utility model relates to the roll that a kind of reinforcing bar moulding is used, and refers to that especially a kind of reinforcing bar that is applicable to makes on the rolling step of moulding, and the roll that the reinforcing bar moulding of preferable bond strength is used is provided when providing reinforcing bar to be arranged on the continued access device.

Background technology

General reinforcing bar by multiple tracks rolling step with its rolling and moulding, and in the end during one rolling step, usually all can be at the bossed embossing decorative pattern of the surperficial rolling of this reinforcing bar, so that this reinforcing bar is when being coated by concrete, can be by the embossing decorative pattern and be difficult for and be coated on outer concrete and separate, make building have the good supporting structure.

Yet, when desire engages the termination of two reinforcing bars, need use the continued access device.As shown in Figure 1, generally when engaging two reinforcing bar 1a, need elder generation, on the termination 10a that two reinforcing bar 1a engage, be provided with the external screw thread that matches with the internal thread 20a of continued access device 2a inwall respectively with turning or other machining mode.So, can two reinforcing bar 1a be engaged one by being spirally connected of this continued access device 2a.

But, owing to after the termination 10a of this reinforcing bar 1a makes the external screw thread moulding through turning or the processing of other mechanical system, more former reinforcing bar 1a is little for external diameter, easily in external screw thread place residual stress, be difficult to bear and the identical external force of reinforcing bar 1a body so the joint of two reinforcing bar 1a is real, and very easily be subjected to destroy.Therefore, for building, this not only is the Consideration of important safety, and if make this building have preferable strength structure, then obviously must use the bigger reinforcing bar 1a of external diameter, but will cause the burden on the cost thus.

Summary of the invention

Therefore, for solving above-mentioned deficiency, known method imposes extruding after termination 10a melting with reinforcing bar 1a is also arranged, and increasing the external diameter of its termination 10a, and then makes this termination 10a go up formed external screw thread to be had preferable opposing intensity.Yet, when reinforcing bar 1a after manufacturing is finished, its surface often will impose cure process.Like this, will undermine the structural strength of the material of this reinforcing bar 1a own, and cause deficiencies such as its material is easily crisp, easily broken, and this practice at the construction field (site) and be difficult for implementing, and obviously still can't effectively solve the problem of reinforcing bar 1a on engaging.

The roll that can provide a kind of reinforcing bar moulding to use is provided main purpose of the present utility model, when being used to make reinforcing bar and implementing last one rolling step, on reinforcing bar, form one section reservation portion that external diameter is bigger simultaneously, when engaging, can make external screw thread for this reinforcing bar, and match with the continued access device with the machining mode.So, rely on the made external screw thread of this reservation portion, not only have preferable external diameter intensity, also can not influence the material-structure of this reinforcing bar itself.

The roll that can provide a kind of reinforcing bar moulding to use is provided secondary objective of the present utility model, after being used for this reinforcing bar and making moulding, can have the external threaded profiles that matches with the continued access device.So, when this reinforcing bar desire engages, only need pass through simple procedure, promptly can be made into the external screw thread that matches with this continued access device, to cut down finished cost and to improve the convenience that uses this reinforcing bar.

In order to reach above-mentioned main purpose, the roll that the utility model provides a kind of reinforcing bar moulding to use is used to make last one rolling step of reinforcing bar.Comprise a pair of running roller, have relatively on this periphery and, on embossed channel, be concaved with one or more reserved area again, and this reserved area to running roller is with the relative mode setting respectively around the embossed channel of its circumference to running roller.Whereby, when this to the reserved area of running roller because of rolling when rolling is on a reinforcing bar simultaneously, can on this reinforcing bar, form one section reservation portion that external diameter is bigger, to reach above-mentioned main purpose.

In order to reach above-mentioned secondary objective, the roll that the utility model provides a kind of reinforcing bar moulding to use, its inwall place that is used for this reserved area is concaved with the thread profile.So, can in the reservation portion of reinforcing bar, be formed with externally threaded profile, and reach above-mentioned secondary objective.

In order to make your juror can further understand feature of the present utility model and technology contents, see also following about detailed description of the present utility model and accompanying drawing, yet accompanying drawing only provide with reference to and the explanation usefulness, be not to be used for the utility model is limited.

Description of drawings

Fig. 1 is the generalized section that known continued access device engages two reinforcing bars.

Fig. 2 A is a schematic perspective view of the present utility model.

Fig. 2 B is the A part enlarged detail of Fig. 2 A.

Fig. 3 is the action schematic diagram of the utility model rolling reinforcing bar.

Fig. 4 is through the utility model and the floor map of the reinforcing bar of moulding.

Fig. 5 is through the utility model and the reinforcing bar of moulding is provided with externally threaded floor map.Label declaration:

1a reinforcing bar 10a termination

2a continued access device 20a internal thread

1 roll, 10 running rollers, 11 running rollers

12 embossed channel, 13 reserved area, 14 degree of depth

2 reinforcing bars, 20 embossing decorative patterns, 21 reservation portions

22 external screw threads

The specific embodiment

See also Fig. 2 A, Fig. 2 B and Fig. 3, be respectively schematic perspective view of the present utility model.The action schematic diagram of the part enlarged detail of Fig. 2 A and the utility model rolling reinforcing bar.The roll that the utility model provides a kind of reinforcing bar moulding to use is used to make last one rolling step of reinforcing bar.This roll 1 comprises a pair of running

roller

10,11, and this relies on a transmission mechanism (figure slightly) to drive to running

roller

10,11 and does suitable, contrary turning to (as shown in Figure 3) respectively.

Has multiple tracks on this periphery relatively and respectively around the embossed channel 12 of its circumference to running roller 10,11.Embossed channel 12 can make relative running

roller

10,11 when making backscrolling, make the bigger reinforcing bar of an external diameter 2 pass through by this embossed channel 12 to 10,11 of running rollers, with with the external diameter rolling of this reinforcing bar 2 to required size, and shut out the embossing decorative pattern 20 of projection in its surface roll.Because above-mentioned embossed channel 12 is roughly identical with known configurations, and the decorative pattern of institute's rolling there is no certain limitation, and the category that non-again the utility model is applied for a patent is so no longer given unnecessary details.

Main purpose of the present utility model is to be: be concaved with one or more reserved area 13 (shown in Fig. 2 B) on this embossed channel 12 to running

roller

10,11 respectively.The recessed degree of depth 14 of this reserved area 13 is decided by the strength condition of reinforcing bar 2 required joints, and reserved area 13 is provided with in relative mode, when this does the action of rolling to running

roller

10,11, can make reserved area 13 because of this rolling while rolling (as shown in Figure 3) on reinforcing bar 2 to running

roller

10,11.

In addition because reinforcing bar 2 is when making moulding, with multiple tracks rolling step with its external diameter rolling to required size, so the surperficial required embossing decorative pattern 20 of reinforcing bar 2 must be finished when last one rolling step of these rolling steps.Therefore this roll 1 also must be implemented in last one rolling step of making reinforcing bar 2 on reality is used.

Therefore, rely on above-mentioned structure, can obtain of the present utility model with roll with the moulding reinforcing bar.

As shown in Figures 3 and 4, when this to running

roller

10,11 do respectively by the drive of transmission mechanism (figure slightly) suitable, reverse when (as shown in Figure 3), rolling goes out embossing decorative pattern 20 to the reinforcing bar 2 of not moulding as yet by embossed channel 12, and continue towards this rotating direction of running

roller

10,11 to be advanced, so that reinforcing bar 2 reaches its required external diameter size.At this moment, if this to the reserved area 13 of running

roller

10,11 because of rolling when rolling is on reinforcing bar 2 simultaneously, can on this reinforcing bar 2, form a reservation portion 21 (as shown in Figure 4).

As Fig. 4 and shown in Figure 5, the reinforcing bar 2 that relies on the utility model manufacturing to be finished, still needing with suitable length by cutting is multistage, so that desire is transported when using.Yet, if desire is when engaging two reinforcing bars 2, because the external diameter of its reservation portion 21 is big than reinforcing bar 2 itself, thus also preferable in made external screw thread 22 intensity of this reservation portion 21, and do not influence the material-structure of reinforcing bar 2 own.

Moreover if be concaved with thread profile (figure slightly) at the inwall place of this reserved area 13, the reservation portion 21 of this reinforcing bar 2 can be formed with externally threaded profile.So, when these reinforcing bar 2 desires engage, only need pass through simple procedure, promptly can be made into external screw thread 22.Therefore, can effectively reduce and add processing cost, losing quantity and the required consumption manpower and the time of facility relatively also provide this reinforcing bar 2 convenience in the use when reducing processing.

Preferable bond strength is provided in the time of can providing the reinforcing bar spiral shell to be located on the continued access device roll that the moulding of the utility model reinforcing bar is used, to solve the consideration of safety and cost factor, and can reduce follow-up processing, and make reinforcing bar more convenient on reality is utilized, also can alleviate many burdens for the workmen at scene.

In sum, the utility model is real to be rare novel practical novel product, it can reach the application target of expection, and solve known deficiency, because of having novelty and creativeness, meet the application important document of utility model fully again, file an application according to Patent Law, would like to ask detailed survey and ratify this case patent, to ensure utility model person's right.

Therefore the above only is a preferable possible embodiments of the present utility model; non-and arrest limit interest field of the present utility model with this; so the equivalent structure of being done in all utilization the utility model specifications and the accompanying drawing changes, and all is included in the protection domain of the present utility model, should illustrate.

Claims

1, the roll used of a kind of reinforcing bar moulding, comprise a pair of running roller, have relatively on this periphery and, it is characterized in that respectively around the embossed channel of its circumference to running roller: on embossed channel, be concaved with one or more reserved area again, and this to the reserved area of running roller with the relative mode setting.

2, the roll used of reinforcing bar moulding as claimed in claim 1, it is characterized in that: the inwall of this reserved area is concaved with the thread profile.