CN212495050U

CN212495050U - Limiting bending mechanism and bending machine

Info

Publication number: CN212495050U
Application number: CN202021074042.7U
Authority: CN
Inventors: 闫帅; 徐凯; 徐勇
Original assignee: Nanjiang Dongke Steel Formwork Co ltd
Current assignee: Nanjiang Dongke Steel Formwork Co ltd
Priority date: 2020-06-11
Filing date: 2020-06-11
Publication date: 2021-02-09
Anticipated expiration: 2030-06-11

Abstract

The utility model provides a spacing mechanism and crib crimper of buckling belongs to angle crimper technical field. The limiting and bending mechanism comprises an operation bedplate, a reinforcing steel bar limiting part and a reinforcing steel bar bending part. The steel bar limiting part comprises a fixing seat and a limiting pressing component, the fixing seat is fixedly arranged on the upper surface of the operation platen, the limiting pressing component is slidably fixed on the top surface of the fixing seat, and the steel bar bending part comprises a disc, a limiting sleeve, a clamping component, a central pin shaft and a bending pin shaft. When the utility model is used, the center pin shafts are detachably mounted, the center pin shafts with different diameters are selected according to the radius of the steel bar to be bent and inserted into the limiting sleeve, and the motors in the three groups of clamping assemblies drive the lead screw to rotate, so that the lead screw drives the clamping plates to move to clamp and fix the center pin shafts; even if be convenient for installation and change core pin axle for the reinforcing bar can be buckled into the circular arc radius that needs.

Description

Limiting bending mechanism and bending machine

Technical Field

The utility model relates to a steel bar bender field particularly, relates to spacing bending mechanism and crib crimper.

Background

A steel bar bender is one of steel bar processing machines. The central pin shaft and the bending pin shaft are arranged on the working disc, and the reinforcing steel bars are bent when the disc rotates. In order to bend reinforcing bars of various diameters, a plurality of holes are formed in the working plate for inserting and pressing bending pin shafts.

However, the central pin shaft in the steel bar bending machine is mainly welded on the disc, and the diameter of the central pin shaft cannot be changed to change the bending arc radius of the steel bar.

SUMMERY OF THE UTILITY MODEL

In order to compensate above not enough, the utility model provides a spacing mechanism of buckling and crib crimper aims at improving the diameter size that the center pin axle can not be changed and change the circular arc radial problem that the reinforcing bar was buckled for the welding setting on the disc of center pin axle.

The utility model discloses a realize like this:

first aspect, the utility model provides a spacing mechanism of buckling, buckle the part including operation platen, reinforcing bar spacing part and reinforcing bar.

The steel bar limiting part comprises a fixing seat and a limiting pressing component, the fixing seat is fixedly installed on the upper surface of the operation platen, the limiting pressing component is slidably fixed on the top surface of the fixing seat, the steel bar bending part comprises a disc, a limiting sleeve, a clamping component, a center pin shaft and a bending pin shaft, the disc is rotatably installed on the upper surface of the operation platen, the limiting sleeve is fixedly installed on the upper surface of the disc, the clamping component is provided with three groups, the three groups of clamping components are installed on the outer wall of the limiting sleeve in a central symmetrical distribution mode, the center pin shaft is arranged inside the limiting sleeve, and the end portion of the clamping component clamps and fixes the center pin shaft.

The utility model discloses an in one embodiment, first spout has been seted up at the fixing base top, the inside slip of first spout is provided with first slider, spacing pressure is held the unit mount in first slider top.

The utility model discloses an in one embodiment, first spout with first slider is T style of calligraphy structure, first slider top spiro union has adjusting bolt, the adjusting bolt bottom run through in first slider.

The utility model discloses an in one embodiment, spacing pressure is held the subassembly including stand and horizontal pole, the stand is fixed set up in the fixing base upper surface, horizontal pole one end is portable to be fixed in the stand side.

In an embodiment of the present invention, a bar-shaped through groove is formed on the side surface of the upright, a fixing bolt is screwed at the end of the cross rod, and the screw of the fixing bolt is movably penetrated through the bar-shaped through groove.

In an embodiment of the present invention, the bottom of the cross bar is provided with a non-slip mat.

The utility model discloses an in an embodiment, the centre gripping subassembly includes splint, support piece, motor and lead screw, splint set up in inside the stop collar, lead screw one end fixed mounting in the motor output, lead screw other end spiro union run through in the stop collar lateral wall, just the lead screw tip rotate connect in splint, support piece set up in the motor both sides, just support piece fixed connection in the stop collar outer wall, just motor sliding connection in support piece.

The utility model discloses an in one embodiment, the support piece is including bracing piece and second slider, the bracing piece is close to the second spout has been seted up to motor one side, the second slider slide set up in inside the second spout, just second slider fixed mounting in the motor outside.

The utility model discloses an in one embodiment, bracing piece one end fixed connection in the stop sleeve outer wall, just the bracing piece tip with fixedly connected with reinforcing plate between the stop sleeve outer wall.

In a second aspect, the utility model discloses still provide the crib crimper, including spacing bending mechanism.

The utility model has the advantages that: the limiting bending mechanism obtained by the design of the utility model is used for placing the tail end of the steel bar between the limiting pressing component and the fixed seat; the limiting pressing component is used for limiting the tail end of the reinforcing steel bar end. The center pin shafts are detachably mounted, the center pin shafts with different diameters are selected according to the radius of a steel bar to be bent and inserted into the limiting sleeve, and the motors in the three groups of clamping assemblies drive the screw rods to rotate, so that the screw rods drive the clamping plates to move to clamp and fix the center pin shafts; even if be convenient for installation and change core pin axle for the reinforcing bar can be buckled into the circular arc radius that needs.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of a top view structure of a limiting bending mechanism and a bending machine provided in an embodiment of the present invention;

fig. 2 is a schematic side view of the spacing pressing assembly according to the embodiment of the present invention;

fig. 3 is a schematic top view of a clamping assembly according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a bracket component according to an embodiment of the present invention.

In the figure: 10-an operating platen; 20-a steel bar limiting part; 210-a fixed seat; 220-a limit pressing and holding assembly; 221-upright post; 222-a cross-bar; 223-strip-shaped through grooves; 224-a fixing bolt; 230-a first runner; 240-a first slider; 250-an adjusting bolt; 30-a steel bar bending part; 310-a disc; 320-a limit sleeve; 330-a clamping assembly; 331-clamp plate; 332-a bracket part; 333-motor; 334-a screw rod; 335-support bar; 336-a second slider; 337-a second chute; 338-a stiffener plate; 340-center pin axis; 350-bending the pin shaft.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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 creative work belong to the protection scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1, the present invention provides a limiting and bending mechanism, which includes an operating platen 10, a reinforcing bar limiting portion 20 and a reinforcing bar bending portion 30.

The reinforcing steel bar limiting part 20 and the reinforcing steel bar bending part 30 are both arranged above the operation bedplate 10, and the reinforcing steel bar limiting part 20 can limit and fix the end of a reinforcing steel bar in processing; the bent portion 30 of the reinforcing bar can be installed with the center pin 340 having various diameters, so that the radius of the arc of the bent reinforcing bar can be adjusted.

Referring to fig. 1, the reinforcement bar positioning portion 20 includes a fixing base 210 and a positioning pressing component 220, the fixing base 210 is fixedly installed on the upper surface of the operation platen 10, and the fixing base 210 and the operation platen 10 are fixed by bolts. The position limiting pressing component 220 is slidably fixed on the top surface of the fixing base 210. The top of the fixing base 210 is provided with a first sliding groove 230, a first sliding block 240 is slidably disposed inside the first sliding groove 230, and the limiting pressing component 220 is mounted on the top of the first sliding block 240. The first sliding chute 230 and the first sliding block 240 are both in a T-shaped structure, the top of the first sliding block 240 is screwed with an adjusting bolt 250, and the bottom end of the adjusting bolt 250 penetrates through the first sliding block 240. The adjusting bolt 250 can fix the first sliding block 240 inside the first sliding groove 230 for adjusting the longitudinal position of the steel bar, so that the steel bars with different diameters can be conveniently bent.

Referring to fig. 2, the limiting pressing assembly 220 includes a vertical column 221 and a cross bar 222, the vertical column 221 is fixedly disposed on the upper surface of the fixing base 210, and the vertical column 221 and the fixing base 210 are fixed by bolts; one end of the cross bar 222 is movably fixed on the side of the upright 221. The side of the upright 221 is provided with a strip-shaped through groove 223, the end of the cross bar 222 is screwed with a fixing bolt 224, and the screw of the fixing bolt 224 movably penetrates through the strip-shaped through groove 223. The bottom of the cross bar 222 is provided with a non-slip pad, which may be a rubber pad for non-slip, so that the fixed center pin shaft 340 is more stable. Rotating the fixing bolt 224 in the position limiting and pressing assembly 220 to enable the cross bar 222 to be adjusted in the vertical direction, so that the cross bar 222 can limit reinforcing steel bars with different diameters; the cross bar 222 is fixed by screwing the fixing bolt 224, and is used for limiting the end tail end of the reinforcing steel bar.

Referring to fig. 3, the reinforcing bar bending part 30 includes a disc 310, a limiting sleeve 320, a clamping assembly 330, a central pin 340 and a bending pin 350, the disc 310 is rotatably installed on the upper surface of the operating platen 10, and the limiting sleeve 320 is fixedly installed on the upper surface of the disc 310; the limiting sleeve 320 and the disc 310 are integrally formed. The clamping assemblies 330 are provided with three groups, the three groups of clamping assemblies 330 are arranged on the outer wall of the limiting sleeve 320 in a central symmetrical distribution mode, the central pin shaft 340 is arranged inside the limiting sleeve 320, and the end portion of each clamping assembly 330 clamps and fixes the central pin shaft 340.

Referring to fig. 3 and 4, the clamping assembly 330 includes a clamping plate 331, a bracket 332, a motor 333 and a screw rod 334, the clamping plate 331 is disposed inside the limiting sleeve 320, one end of the screw rod 334 is fixedly mounted at an output end of the motor 333, and the screw rod 334 and the output end of the motor 333 are fixed by a coupling; the other end of the screw 334 is screwed through the sidewall of the position-limiting sleeve 320, and the end of the screw 334 is rotatably connected to the clamp plate 331. The bracket parts 332 are disposed on two sides of the motor 333, the bracket parts 332 are fixedly connected to the outer wall of the limiting sleeve 320, and the motor 333 is slidably connected to the bracket parts 332. The center pin shafts 340 with different diameters are selected according to the radius of the steel bars to be bent and inserted into the limiting sleeve 320, and the motors 333 in the three groups of clamping assemblies 330 drive the screw rods 334 to rotate, so that the screw rods 334 drive the clamping plates 331 to move to clamp and fix the center pin shafts 340. The support member 332 includes a support rod 335 and a second sliding block 336, wherein a second sliding slot 337 is formed on one side of the support rod 335 close to the motor 333, the second sliding block 336 is slidably disposed inside the second sliding slot 337, and the second sliding block 336 is fixedly mounted on the outer side of the motor 333. The second slider 336 and the second sliding groove 337 in the bracket member 332 are provided such that the motor 333 moves simultaneously with the clamp plate 331 when rotating. One end of the supporting rod 335 is fixedly connected to the outer wall of the limiting sleeve 320, and a reinforcing plate 338 is fixedly connected between the end of the supporting rod 335 and the outer wall of the limiting sleeve 320; the support rod 335, the limiting sleeve 320 and the reinforcing plate 338 are fixed by welding.

It should be noted that all the three sets of motors 333 may be stepping motors, and the models and specifications of the three sets of motors 333 are the same. The specific model specification of the motor 333 needs to be determined by model selection according to the actual specification of the device, and the specific model selection calculation method adopts the prior art, so detailed description is omitted. The power supply of the motor 333 and its principle will be clear to the skilled person and will not be described in detail here.

The utility model discloses still provide the crib crimper, including spacing bending mechanism. The drive mechanism in the bender may rotate the disk 310.

The working principle of the limiting bending mechanism and the bending machine is as follows: when in use, the tail end of the steel bar is placed between the limiting pressing component 220 and the fixed seat 210; rotating the fixing bolt 224 in the position limiting and pressing assembly 220 to enable the cross bar 222 to be adjusted in the vertical direction, so that the cross bar 222 can limit reinforcing steel bars with different diameters; the cross bar 222 is fixed by screwing the fixing bolt 224, and is used for limiting the end tail end of the reinforcing steel bar. The disc 310 is driven by a driving device in the bending machine to rotate, that is, the bending pin 350 at the top of the limiting sleeve 320 is driven to rotate, and the central pin 340 is matched to bend the steel bar. The center pin shaft 340 is detachably mounted, the center pin shafts 340 with different diameters are selected according to the radius of the steel bars to be bent as required to be inserted into the limiting sleeve 320, and the motors 333 in the three groups of clamping assemblies 330 drive the screw rod 334 to rotate, so that the screw rod 334 drives the clamping plate 331 to move to clamp and fix the center pin shaft 340.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The limiting and bending mechanism is characterized by comprising

An operation table plate (10);

the reinforcing steel bar limiting part (20), the reinforcing steel bar limiting part (20) comprises a fixed seat (210) and a limiting pressing component (220), the fixed seat (210) is fixedly arranged on the upper surface of the operation bedplate (10), and the limiting pressing component (220) is slidably fixed on the top surface of the fixed seat (210);

the steel bar bending part (30) comprises a disc (310), a limiting sleeve (320), clamping assemblies (330), a center pin shaft (340) and a bending pin shaft (350), the disc (310) is rotatably installed on the upper surface of the operation bedplate (10), the limiting sleeve (320) is fixedly installed on the upper surface of the disc (310), three groups of clamping assemblies (330) are arranged, the three groups of clamping assemblies (330) are installed on the outer wall of the limiting sleeve (320) in a central symmetrical distribution mode, the center pin shaft (340) is arranged inside the limiting sleeve (320), and the end portions of the clamping assemblies (330) are clamped and fixed on the center pin shaft (340).

2. The limiting bending mechanism according to claim 1, wherein a first sliding groove (230) is formed in the top of the fixing seat (210), a first sliding block (240) is slidably disposed in the first sliding groove (230), and the limiting pressing component (220) is mounted on the top of the first sliding block (240).

3. The limiting and bending mechanism according to claim 2, wherein the first sliding groove (230) and the first sliding block (240) are both of a T-shaped structure, an adjusting bolt (250) is screwed on the top of the first sliding block (240), and the bottom end of the adjusting bolt (250) penetrates through the first sliding block (240).

4. The limiting bending mechanism according to claim 1, wherein the limiting pressing assembly (220) comprises a vertical column (221) and a cross bar (222), the vertical column (221) is fixedly arranged on the upper surface of the fixing seat (210), and one end of the cross bar (222) is movably fixed on the side surface of the vertical column (221).

5. The limiting and bending mechanism according to claim 4, wherein a strip-shaped through groove (223) is formed in the side surface of the upright post (221), a fixing bolt (224) is screwed at the end of the cross rod (222), and a screw of the fixing bolt (224) movably penetrates through the strip-shaped through groove (223).

6. The limiting and bending mechanism according to claim 4, wherein the bottom of the cross bar (222) is provided with a non-slip mat.

7. The limiting and bending mechanism according to claim 1, wherein the clamping assembly (330) comprises a clamping plate (331), a bracket member (332), a motor (333) and a screw rod (334), the clamping plate (331) is disposed inside the limiting sleeve (320), one end of the screw rod (334) is fixedly mounted at the output end of the motor (333), the other end of the screw rod (334) is screwed to penetrate through the side wall of the limiting sleeve (320), the end of the screw rod (334) is rotatably connected to the clamping plate (331), the bracket member (332) is disposed at two sides of the motor (333), the bracket member (332) is fixedly connected to the outer wall of the limiting sleeve (320), and the motor (333) is slidably connected to the bracket member (332).

8. The limiting and bending mechanism according to claim 7, wherein the bracket member (332) comprises a support rod (335) and a second sliding block (336), a second sliding groove (337) is formed in one side of the support rod (335) close to the motor (333), the second sliding block (336) is slidably disposed inside the second sliding groove (337), and the second sliding block (336) is fixedly mounted on the outer side of the motor (333).

9. The limiting and bending mechanism according to claim 8, wherein one end of the supporting rod (335) is fixedly connected to the outer wall of the limiting sleeve (320), and a reinforcing plate (338) is fixedly connected between the end of the supporting rod (335) and the outer wall of the limiting sleeve (320).

10. The bending machine is characterized by comprising

The buckle-limiting mechanism of any one of claims 1-9.