CN215392229U

CN215392229U - Steel bar group heading machine for sleeper and group heading machine set

Info

Publication number: CN215392229U
Application number: CN202120751423.2U
Authority: CN
Inventors: 何斐瀚
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-14
Filing date: 2021-04-14
Publication date: 2022-01-04
Anticipated expiration: 2031-04-14

Abstract

A steel bar group heading machine for a sleeper and a group heading machine set are provided, wherein the heading machine comprises a rack, a conical hole plate, a heading die and a heading driving mechanism; a plurality of first through holes are formed in one side surface of the conical hole plate, and a first conical hole is formed in the other side surface of the conical hole plate; the upsetting die comprises upsetting mechanisms with the number equal to that of the first through holes, each upsetting mechanism comprises an elastic clamping jaw piece and an upsetting guide pillar, each elastic clamping jaw piece comprises a conical clamping jaw and an elastic clamping jaw piece main body located at the rear end, a circle of convex ring is arranged on the outer surface of each elastic clamping jaw piece main body and located between an upsetting mounting seat and an upsetting fixing plate, a first spring is sleeved on the outer surface of each elastic clamping jaw piece main body and located between the convex ring and the upsetting mounting seat; the heading guide pillar comprises a heading forming end for forming heading and a heading guide pillar main body, and the heading guide pillar main body is fixedly connected with the heading mounting seat; the heading driving mechanism drives the heading die to reciprocate. The upsetting machine has the advantages of high upsetting efficiency, consistent upsetting quality and capability of directly entering the next working procedure by the group of the upset steel bars.

Description

Steel bar group heading machine for sleeper and group heading machine set

Technical Field

The utility model relates to the technical field of steel bar heading machines, in particular to a steel bar group heading machine for a sleeper and a group heading machine set.

Background

The heading machine for reinforcing bar is one of reinforcing bar processing machines, and can upset the end portion of reinforcing bar, and can be used as machine for anchoring head of prestressed reinforcement bar. In the production process of the sleeper, before concrete is poured, each steel bar in the sleeper needs to be tensioned to form prestressed steel bars, and then pouring can be carried out.

In order to perform the prestress tension of the reinforcing bars, both ends of the reinforcing bars must be upset in advance, the ends of the reinforcing bars must be upset, and then the tension can be performed. The existing sleeper steel bar heading machine is fed manually, only one end of one steel bar can be headed at a time, and the heading efficiency is low. In addition, because the existing sleeper steel bar heading machine disperses single heading, the heading length and size of the headed steel bars are inconsistent, and the pulling force exerted on some steel bars is inconsistent when the steel bars are tensioned in the next procedure, so that the production quality of the sleeper is influenced.

SUMMERY OF THE UTILITY MODEL

In order to overcome the problems, the utility model provides a group of steel bars heading machine and group heading machine set for sleeper that heading is efficient, and the quality of heading is unanimous to the society, and the group steel bars after being headed can directly get into the next process.

The technical scheme of the utility model is as follows: the steel bar group heading machine for the sleeper comprises a rack, wherein a conical hole plate is arranged on one side of the rack, and a heading die and a heading driving mechanism for driving the heading die are sequentially arranged close to the conical hole plate; a plurality of first through holes which meet the requirements of the aperture, the position and the quantity of the sleeper reinforcements and are used for inserting reinforcement heads are arranged on one side surface of the conical hole plate, and first conical holes which have the same axle center with the first through holes and the diameters of which are larger than the diameters of the first through holes and the quantity of which is equal to that of the first through holes are arranged on the other side surface of the conical hole plate; the upsetting die comprises an upsetting mounting seat and upsetting fixing plates arranged on the upsetting mounting seat, upsetting mechanisms with the same number as the first through holes are fixed on the upsetting mounting seat by the upsetting fixing plates, each upsetting mechanism comprises an elastic clamping jaw piece, a second through hole is formed in each elastic clamping jaw piece, an upsetting guide pillar is arranged in each second through hole, each elastic clamping jaw piece comprises a conical clamping jaw at the front end and an elastic clamping jaw piece main body at the rear end, the outer surface of each elastic clamping jaw piece main body is provided with a circle of convex rings, each convex ring is located between the upsetting mounting seat and the upsetting fixing plate, the outer surface of each elastic clamping jaw piece main body is sleeved with a first spring, and the first springs are located between the convex rings and the upsetting mounting seat; the heading guide pillar comprises a heading forming end for forming heading and a heading guide pillar main body, and the heading guide pillar main body is fixedly connected with the heading mounting seat; the heading driving mechanism drives the heading die to reciprocate.

As an improvement of the utility model, a second convex ring is arranged on the outer surface of the heading guide pillar main body, a nut is arranged at the outer end of the heading guide pillar main body, and the heading guide pillar is fixed on the heading mounting seat through the second convex ring and the nut.

As an improvement of the utility model, the heading driving mechanism comprises a thrust plate and a power source, the thrust plate is fixedly connected with the heading mounting seat, and the power source drives the heading die to reciprocate through the thrust plate.

As an improvement of the utility model, the utility model also comprises a hinged support and a connecting pin which are arranged on the thrust plate, and the output shaft of the power source is connected with the hinged support through the connecting pin.

As an improvement to the utility model, the utility model further comprises a guide rail arranged on the machine frame, and the guide rail allows the heading die to slide back and forth on the guide rail.

The utility model also provides a sleeper steel bar group heading machine set which comprises two sleeper steel bar group heading machines which are symmetrically arranged, wherein each sleeper steel bar group heading machine is any one sleeper steel bar group heading machine.

The upsetting machine has the advantages of high upsetting efficiency, consistent upsetting quality and capability of directly entering the next working procedure by the group of the upset steel bars.

Drawings

Figure 1 is a schematic cross-sectional view of one embodiment of an heading machine of the present invention.

Fig. 2 is a side view of the conical orifice plate of fig. 1.

Figure 3 is a schematic cross-sectional view of one embodiment of the heading machine assembly of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1 and 2, fig. 1 and 2 disclose a group heading machine for reinforcing steel bars for sleepers, which includes a frame 1, a tapered hole plate 2 is arranged on one side of the frame 1, and a heading die 3 and a heading driving mechanism 4 for driving the heading die 3 are sequentially arranged adjacent to the tapered hole plate 2; a plurality of first through holes 22 which meet the requirements of the aperture, position and number of the sleeper reinforcements and are used for inserting the reinforcement heads 21 are arranged on one side surface of the conical hole plate 2 (the inlet end of the first through hole 22 is provided with a horn mouth 221 used for guiding), and first conical holes 23 which have the same axis as the first through holes 22 and the same number as the first through holes 22 and have the diameter larger than that of the first through holes 22 are arranged on the other side surface of the conical hole plate 2; the heading die 3 includes a heading mounting seat 31 and a heading fixing plate 32 provided on the heading mounting seat 31, heading mechanisms 33 equal in number to the first through holes 22 are fixed on the heading mounting seat 31 by the heading fixing plate 32, each heading mechanism 33 includes an elastic claw member 331, a second through hole 332 is provided in the elastic claw member 331, a heading guide post 333 is provided in the second through hole 332, and the elastic claw member 331 includes a tapered claw 3311 at a front end partitioned by a plurality of axial gaps (in the present embodiment, the tapered claw 3311 is a tapered hollow cylinder, and a plurality of grooves, which may be 3 to 6 grooves, are provided axially on a wall of the tapered hollow cylinder to divide the tapered hollow cylinder into a plurality of claw-shaped small pieces, such that the claw-shaped small pieces have certain elasticity, and when the tapered claw 3311 moves toward the tapered hole plate 2, the claw-shaped small pieces gradually contract under the action of the first tapered hole 23, clamping the rod head 21 without moving the rod head 21, so that an upset with a diameter larger than that of the rod head 21 is formed at the end of the rod head 21) and a resilient clamping jaw body 3312 at the rear end, wherein a ring 3313 is provided on the outer surface of the resilient clamping jaw body 3312, the ring 3313 is located between the upset mounting seat 31 and the upset fixing plate 32, a first spring 3314 is provided on the outer surface of the resilient clamping jaw body 3312, the first spring 3314 is located between the ring 3313 and the upset mounting seat 31, and the first spring 3314 mainly acts as a buffer for the upset guide post 333 to reduce the damage to the upset forming end 3331; the heading guide 333 comprises a heading forming end 3331 for forming a heading and a heading guide body 3332, the heading guide body 3332 is fixedly connected with the heading mounting seat 31; the heading driving mechanism 4 drives the heading die 3 to reciprocate. By adopting the structure, a plurality of steel bar upsets can be upset at one time, the working efficiency is improved, and the consistency of the upsets is good; because the reinforcing steel bars are arranged on the pulling plate before the heading, the reinforcing steel bars and the pulling plate can directly enter the next side pulling process after heading.

Preferably, a second collar 3333 is provided on an outer surface of the upset guide body 3332, a nut 3334 is provided on an outer end of the upset guide body 3332, and the upset guide 333 is fixed to the upset mount 31 by the second collar 3333 and the nut 3334.

Preferably, the heading driving mechanism 4 includes a thrust plate 41 and a power source, the thrust plate 41 is fixedly connected to the heading mounting seat 31, and the power source drives the heading die 3 to reciprocate through the thrust plate 41. The power source of the utility model can be an oil cylinder, an air cylinder and a crankshaft connecting rod structure driven by a motor as the power source.

Preferably, the present invention further includes a hinge base 42 provided on the thrust plate 41 and a coupling pin 43, and the output shaft 44 of the power source is coupled to the hinge base 42 through the coupling pin 43.

Preferably, the utility model also comprises a guide rail 5 arranged on the frame 1, wherein the guide rail 5 allows the heading die 3 to slide back and forth on the guide rail 5.

When the utility model is used, firstly, the steel bar head 21 is inserted into the first through hole 22 from the outer side of the tapered hole plate 2, the power source is started, the power source applies force to the thrust plate 41 through the hinged support 42, the thrust plate 41 transmits the force to the upset head mounting seat 31, so as to drive the upset head mechanism 33 to move towards the tapered hole plate 2, the tapered clamping jaw 3311 of the upset head mechanism 33 firstly enters the first tapered hole 23, and under the action of the inner wall of the first tapered hole 23, the tapered clamping jaw 3311 is gradually reduced and clamps the steel bar head 21, so as to fix the steel bar head 21; at this time, the heading guide pillar 333 will continue to move toward the tapered hole plate 2, and the heading forming end 3331 of the heading guide pillar 333 compresses the end face of the steel bar head 21 to form a heading; after the heading is finished, the power source retracts to drive the heading die 3 to move back, so that the next preparation is made.

Referring to fig. 3, fig. 3 shows a sleeper rebar grouping heading machine set, which comprises two sleeper rebar grouping heading machines symmetrically arranged, wherein each sleeper rebar grouping heading machine is any one of the sleeper rebar grouping heading machines. Because the sleeper reinforcing steel bar group heading machine set is provided with two symmetrically arranged sleeper reinforcing steel bar group heading machines, heading can be simultaneously carried out on two ends of the reinforcing steel bars, and the working efficiency can be further improved.

All equivalent changes made by the contents of the specification and the drawings of the utility model are included in the scope of the claims of the utility model without departing from the idea of the utility model.

Claims

1. The utility model provides a reinforcing bar group heading machine for sleeper which characterized in that: the upsetting device comprises a rack (1), wherein a conical hole plate (2) is arranged on one side of the rack (1), and an upsetting die (3) and an upsetting driving mechanism (4) for driving the upsetting die (3) are sequentially arranged close to the conical hole plate (2); a plurality of first through holes (22) which meet the requirements of the aperture, the position and the number of the sleeper reinforcements and are used for inserting the reinforcement heads (21) are arranged on one side surface of the conical hole plate (2), and first conical holes (23) which have the same number with the first through holes (22) and are larger than the first through holes (22) in diameter and equal to the first through holes (22) in number and have the same axle center with the first through holes (22) are arranged on the other side surface of the conical hole plate (2); the upsetting die (3) comprises an upsetting mounting seat (31) and upsetting fixing plates (32) arranged on the upsetting mounting seat (31), upsetting mechanisms (33) with the same number as the first through holes (22) are fixed on the upsetting mounting seat (31) by the upsetting fixing plates (32), each upsetting mechanism (33) comprises an elastic clamping jaw piece (331), a second through hole (332) is formed in the elastic clamping jaw piece (331), an upsetting guide pillar (333) is arranged in the second through hole (332), the elastic clamping jaw piece (331) comprises a conical clamping jaw (3311) which is separated by a plurality of axial gaps and is positioned at the front end and an elastic clamping jaw piece main body (3312) which is positioned at the rear end, a circle of convex rings (3313) are arranged on the outer surface of the elastic clamping jaw piece main body (3312), and the convex rings (3313) are positioned between the upsetting mounting seat (31) and the upsetting fixing plates (32), a first spring (3314) is sleeved on the outer surface of the elastic clamping jaw body (3312), and the first spring (3314) is positioned between the convex ring (3313) and the upset head mounting seat (31); the heading guide pillar (333) comprises a heading forming end (3331) for forming heading and a heading guide pillar main body (3332), and the heading guide pillar main body (3332) is fixedly connected with the heading mounting seat (31); the heading driving mechanism (4) drives the heading die (3) to reciprocate.

2. The group heading machine for reinforcing bars for sleepers according to claim 1, wherein: a second convex ring (3333) is arranged on the outer surface of the upset guide post main body (3332), a nut (3334) is arranged at the outer end of the upset guide post main body (3332), and the upset guide post (333) is fixed on the upset mounting seat (31) through the second convex ring (3333) and the nut (3334).

3. The group heading machine for reinforcing bars to be used for sleepers according to claim 1 or 2, characterized in that: the heading driving mechanism (4) comprises a thrust plate (41) and a power source, the thrust plate (41) is fixedly connected with the heading mounting seat (31), and the power source drives the heading die (3) to reciprocate through the thrust plate (41).

4. The group heading machine for reinforcing bars for sleepers according to claim 3, wherein: the thrust plate is characterized by further comprising a hinge seat (42) and a connecting pin (43) which are arranged on the thrust plate (41), and an output shaft (44) of the power source is connected with the hinge seat (42) through the connecting pin (43).

5. The group heading machine for reinforcing bars for sleepers according to claim 3, wherein: the thrust plate is characterized by further comprising a hinge seat (42) and a connecting pin (43) which are arranged on the thrust plate (41), and an output shaft (44) of the power source is connected with the hinge seat (42) through the connecting pin (43).

6. The group heading machine for reinforcing bars to be used for sleepers according to claim 1 or 2, characterized in that: the heading machine is characterized by further comprising a guide rail (5) arranged on the machine frame (1), wherein the guide rail (5) allows the heading die (3) to slide back and forth on the guide rail (5).

7. The utility model provides a reinforcing bar group heading machine for sleeper which characterized in that: the sleeper reinforcing bar group heading machine comprises two sleeper reinforcing bar group heading machines which are symmetrically arranged, and each sleeper reinforcing bar group heading machine is the sleeper reinforcing bar group heading machine according to any one of claims 1 to 6.