CN221388714U

CN221388714U - Conveying mechanism of steel bar bending machine

Info

Publication number: CN221388714U
Application number: CN202323352017.7U
Authority: CN
Inventors: 林斌; 叶佳欣; 林维泉
Original assignee: Xiamen Fengli Machinery Co ltd
Current assignee: Xiamen Fengli Machinery Co ltd
Priority date: 2023-12-08
Filing date: 2023-12-08
Publication date: 2024-07-23
Anticipated expiration: 2033-12-08

Abstract

The utility model discloses a conveying mechanism of a steel bar bending machine, which is arranged on a frame of the steel bar bending machine and is arranged on two sides of a steel bar guide groove with the bending mechanism, and comprises two hook rod devices which synchronously move back and forth along an X axis, and a first driving device for driving the hook rod devices; the hook rod device comprises a sliding seat driven by the first driving device, and a rotating shaft arranged along the Y axis is arranged on the sliding seat in a penetrating manner; one end of the rotating shaft facing the bending mechanism is coaxially connected with a chuck and a clamping piece with a reserved space; one end of the rotating shaft, which is opposite to the bending mechanism, is provided with a bearing, and the bearing is driven by a second driving device to move back and forth along the Y-axis direction; the peripheral surface of the rotating shaft is provided with a third driving device, and the third driving device drives the rotating shaft to rotate back and forth along the XZ plane. The utility model can simplify the structure of the steel bar bending machine, realizes the clamping function of the steel bar during the step-by-step conveying and shearing by the conveying mechanism, and the ejector rod does not need to stretch and retract any more, so that the function stability is stronger.

Description

Conveying mechanism of steel bar bending machine

Technical Field

The utility model relates to the technical field of steel bar bending machines, in particular to a conveying mechanism of a steel bar bending machine.

Background

The prior patent application of the inventor discloses a steel bar bending machine (application number 202210188242.2), and the steel bar can be bent into a continuous W-shaped shape in one plane through the cooperation of a bending part and a conveying part of the steel bar bending machine so as to meet the production requirement; meanwhile, in the function realization of the steel bar bending machine, the clamping component is also configured to cooperate with the shearing part of the clamping component to realize shearing of the bent steel bars according to production requirements.

In the production process, the inventor finds that the existing steel bar bending machine has the following defects:

(1) The ejector rod is driven by the second oil cylinder to stretch and retract in the vertical plane where the steel bar is positioned, a pipeline externally connected with the second oil cylinder is positioned between the two fixed seats, interference is easy to occur to the relative movement of the two fixed seats, meanwhile, whether the ejector rod stretches and contracts in place directly influences whether the steel bar can be bent or not, and the fault tolerance is low;

(2) The whole structure is complex, and accessories to be assembled are numerous and are required to be optimized.

Disclosure of utility model

The utility model aims to provide a conveying mechanism of a steel bar bending machine, which solves the problems in the prior art, can simplify the structure of the steel bar bending machine, simultaneously realizes the clamping function of step-by-step conveying and shearing of steel bars by the conveying mechanism, and has stronger functional stability because a push rod does not need to stretch out and draw back any more.

In order to achieve the above object, the solution of the present utility model is:

The conveying mechanism of the steel bar bending machine is arranged on a rack of the steel bar bending machine and is arranged on two sides of a steel bar guide groove with the bending mechanism of the steel bar bending machine, and comprises two hook rod devices and a first driving device, wherein the hook rod devices synchronously move back and forth along the X-axis direction; the hook rod device comprises a sliding seat which moves back and forth along the X-axis direction under the action of the first driving device, and a rotating shaft arranged along the Y-axis direction is arranged on the sliding seat in a penetrating manner; one end of the rotating shaft, which faces the bending mechanism, is coaxially connected with a clamping plate and a clamping piece with a reserved space, and the clamping piece is overlapped or misplaced with the bending steel bar along with the rotation of the rotating shaft; a bearing is arranged at one end of the rotating shaft, which is opposite to the bending mechanism, and is driven by the second driving device to move back and forth along the Y-axis direction; the peripheral surface of the rotating shaft is provided with a third driving device, and the third driving device drives the rotating shaft to rotate back and forth along the XZ plane.

The side of sliding seat is provided with the engaging lug, is connected with the link rod that sets up along X axle direction between the engaging lug of two sliding seats, the tip of link rod with a drive arrangement's output links to each other.

Preferably, the connecting rod is a screw rod, and nuts sleeved on the connecting rod are arranged on two sides of the two connecting lugs.

Preferably, the first driving device is a cylinder or an oil cylinder, and a piston rod of the first driving device is connected with the end part of the link rod through a connecting arm; and the frame is provided with a limiting device which is arranged opposite to the piston rod of the first driving device and used for limiting the moving stroke of the hook rod device.

Preferably, the limiting device comprises a limiting rod which is collinear with the piston rod of the first driving device, and a first mounting frame which is fixed on the frame and used for mounting the limiting rod.

Preferably, the limiting rod and the first mounting frame; the number of the first mounting frames is two.

The conveying mechanism further comprises a support arranged on the table top of the machine frame, a sliding rail arranged along the X-axis direction is arranged on the support, and the two sliding seats are in sliding fit with the sliding rail.

A second mounting frame is arranged on one surface of the sliding seat, which is opposite to the bending mechanism; the bearing is arranged in the second mounting frame; the second driving device is arranged on the second mounting frame along the Y-axis direction and is in transmission connection with the bearing.

Preferably, the second driving device is a cylinder or a hydraulic cylinder.

The opposite sides of the sliding seat are provided with third installation frames; the third driving device is an air cylinder or a hydraulic cylinder, the fixed end of the third driving device is in pin joint fit with the third mounting frame, and the output end of the third driving device is in pin joint fit with a swing arm connected with the peripheral surface of the rotating shaft.

After the technical scheme is adopted, the utility model has the following technical effects:

① The conveying mechanism consists of two hook rod devices and a first driving device, a chuck and a clamping piece of the hook rod devices are used as mechanical arms with rotating and stretching functions under the action of a second driving device and a third driving device, and can be used for grasping and bending steel bars to realize fixation and separating the bending steel bars from an XZ plane where ejector rods of the bending mechanism are positioned, so that the steel bars can be driven by the first driving device to realize X-axis movement along with the hook rod devices, and the steel bars can be forwarded for a stepping distance and even cut by matching with the fixation of the hook rod devices to the steel bars;

② The conveying mechanism comprises the functions of the conveying part and the clamping assembly in the prior art, so that the structural design of the equipment is simpler and more compact, the connection of a circuit and a pipeline is facilitated, meanwhile, the ejector rod of the bending mechanism is not required to be driven by a driving device, the action required to be executed by the bending mechanism is reduced, and the structure and the function of the bending mechanism are more stable.

Drawings

FIG. 1 is a perspective view of an embodiment of the present utility model;

FIG. 2 is a perspective view of a conveyor mechanism according to an embodiment of the present utility model;

FIG. 3 is a second perspective view of a conveyor mechanism according to an embodiment of the present utility model;

FIG. 4 is a side view of a conveyor mechanism according to an embodiment of the utility model;

FIG. 5 is a perspective view of a portion of an embodiment of the utility model other than the transport mechanism;

FIG. 6 is a top view of an embodiment of the present utility model;

FIG. 7 is a schematic diagram of a conveying mechanism according to an embodiment of the present utility model;

Reference numerals illustrate:

1- - -reinforcing bars; 11- - -straight bars; 12- - -bending the steel bar; 12a- -the peak segment; 12b- -trough segments;

2- - -a conveying mechanism; 21- - -a hook lever arrangement; 211—a sliding seat; 2111-connecting ears; 212- -a spindle; 213-chuck; 214—a clip; 215-bearings; 216-a second drive means; 217-third drive means; 218-a second mount; 219—a third mount; 210—a swing arm; 22-first drive means; 23- - -a link; 24-nut; 25— a connecting arm; 26-a limiting device; 261- -stop lever; 262-a first mount; 27- - -a bracket; 28- - -a slide rail;

3- - -a frame; 4-a bending mechanism; 41- - -a push rod; 5- - -a steel bar guide groove; 6- -a shearing device; 7- - -collimator.

Detailed Description

In order to further explain the technical scheme of the utility model, the utility model is explained in detail by specific examples.

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Accordingly, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the embodiments of the present utility model, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship conventionally put in place when the inventive product is used, or the orientation or positional relationship conventionally understood by those skilled in the art, is merely for convenience in describing the embodiments of the present utility model, and is not intended to indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically connected, electrically connected or can be communicated with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The following disclosure provides many different embodiments, or examples, for implementing different features of the utility model. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the utility model. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed.

In addition, the present utility model provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.

Referring to fig. 1, the traveling direction of the reinforcing bar 1 is hereinafter defined as an X-axis, a direction which is in the same horizontal plane as the X-axis and perpendicular to the X-axis is defined as a Y-axis, and a direction which is perpendicular to a plane (i.e., horizontal plane) in which the X, Y axes are located is defined as a Z-axis; referring to fig. 7, when the portion of the reinforcing bar 1 where the bending is not performed is defined as a straight reinforcing bar 11, the portion of the reinforcing bar 1 after the bending is defined as a bent reinforcing bar 12, the bent portion of the bent reinforcing bar 12 is defined as a peak section 12a at the upper end and a trough section 12b at the lower end, and then the reinforcing bar 1 is bent into a plurality of continuous W-shaped bent reinforcing bars 12 in the XZ plane.

Referring to fig. 1 to 7, the present utility model discloses a conveying mechanism 2 of a bar bending machine, which is disposed on a frame 3 of the bar bending machine and is separately arranged at two sides of a bar guiding groove 5 with a bending mechanism 4 of the bar bending machine (namely, a bending part in patent application 202210188242.2), and comprises two hook bar devices 21 which synchronously move back and forth along the X-axis direction, and a first driving device 22 for driving the hook bar devices 21;

The hook rod device 21 comprises a sliding seat 211 which moves back and forth along the X-axis direction under the action of the first driving device 22, and a rotating shaft 212 arranged along the Y-axis direction is arranged on the sliding seat 211 in a penetrating manner; one end of the rotating shaft 212 facing the bending mechanism 4 is coaxially connected with a clamping plate 213 and a clamping piece 214 with a reserved space, and the clamping piece 214 is overlapped or misplaced with the bending steel bar 12 along with the rotation of the rotating shaft 212; a bearing 215 is arranged at one end of the rotating shaft 212, which is opposite to the bending mechanism 4, and the bearing 215 is driven by a second driving device 216 to move back and forth along the Y-axis direction; the peripheral surface of the rotating shaft 212 is provided with a third driving device 217, and the third driving device 217 drives the rotating shaft 212 to rotate back and forth along the XZ plane.

Specific embodiments of the utility model are shown below.

In this embodiment, the sliding seat 211 has an L-shaped structure, the bottom surface moves in the X-axis direction relative to the frame 3, and the side surface is used for mounting the rotating shaft 212.

The side surfaces of the sliding seats 211 are provided with connection lugs 2111, a link 23 arranged along the X-axis direction is connected between the connection lugs 2111 of the two sliding seats 211, and the end of the link 23 is connected with the output end of the first driving device 22. The first driving device 22 drives the link rod 23 to drive the two sliding seats 211 to move in the X-axis direction.

Further, the above-mentioned link rod 23 is a screw rod, the two sides of two connecting lugs 2111 are respectively provided with a nut 24 sleeved on the link rod 23, the positions of the connecting lugs 2111 on the link rod 23 can be fixed by tightening the two nuts 24 to clamp the two nuts 24 in opposite directions, and the positions of the connecting lugs 2111 on the link rod 23 can be adjusted by unscrewing the two nuts 24, so that the distance between the two sliding seats 211 can be adjusted according to the production requirement.

Meanwhile, the first driving device 22 is a cylinder or an oil cylinder, and a piston rod of the cylinder or the oil cylinder is connected with the end part of the link rod 23 through a connecting arm 25, so that the output axis of the first driving device 22 is not collinear with the link rod 23, and the first driving device is arranged up and down in the embodiment; the frame 3 is provided with a limiting device 26 arranged opposite to the piston rod of the first driving device 22 for limiting the moving stroke of the hook rod device 21.

The limiting device 26 includes a limiting rod 261 which is collinear with the piston rod of the first driving device 22, and a first mounting frame 262 which is fixed to the frame 3 and is used for mounting the limiting rod 261. In this embodiment, the limiting rod 261 is in threaded connection with the first mounting frame 262, so that the relative position of the limiting rod 261 on the first mounting frame 262 can be adjusted, and the moving stroke of the hook rod device 21 can be further adjusted; the number of the first mounting frames 262 is two, so that the structure is more stable after the limiting rod 261 is mounted, and the limiting rod is not easy to shake. Of course, the limiting device 26 may be provided on the X-axis movement path of the hook bar device 21, and directly limit the hook bar device 21.

The conveying mechanism 2 further comprises a bracket 27 arranged on the table top of the frame 3, a sliding rail 28 arranged along the X-axis direction is arranged on the bracket 27, and two sliding seats 211 are in sliding fit on the sliding rail 28.

A second mounting frame 218 is arranged on one surface of the sliding seat 211, which faces away from the bending mechanism 4; bearing 215 is disposed within second mount 218; the second driving device 216 is mounted on the second mounting frame 218 along the Y-axis direction and is in driving connection with the bearing 215. In this embodiment, the second driving device 216 is a cylinder or a hydraulic cylinder.

The opposite sides of the sliding seat 211 are provided with a third mounting rack 219; the third driving device 217 is a cylinder or a hydraulic cylinder, and the fixed end of the third driving device is pivotally connected to the third mounting frame 219, and the output end of the third driving device is pivotally connected to the swing arm 210 connected to the peripheral surface of the rotating shaft 212. The third mounting member 219 and the third driving device 217 are disposed on opposite sides of the sliding seat 211, so that the distance between the third mounting member 219 and the third driving device can be conveniently adjusted, and interference during operation is avoided.

Referring to fig. 5, the bending machine for steel bars applied to the conveying mechanism 2 of the present utility model may further include a shearing device 6, a collimator 7, and other devices, and compared with the prior art, the ejector rod 41 of the bending mechanism 4 is fixed in the Y-axis direction, and the driving device is not required to drive to implement expansion and contraction to avoid the movement of the steel bars 1.

Referring to fig. 6 and 7, the working principle of the present utility model is:

(1) After the bending mechanism 4 finishes bending the straight reinforcing steel bars 11, the conveying mechanism 2 is reset to an initial position, and the second driving device 216 works, so that the rotating shaft 212 extends out towards the bending mechanism 4, and the clamping discs 213 and the clamping pieces 214 are respectively positioned on two sides of the Y axis of the bent reinforcing steel bars 12;

(2) The third driving device 217 works to drive the rotating shaft 212 to rotate, so that the clamping piece 214 overlaps the bending steel bar 12 in the Y-axis direction, namely, the clamping piece 214 and the clamping chuck 213 clamp the bending steel bar 12, and the two hook rod devices 21 are respectively positioned at two sides of the crest section 12a of the bending steel bar 12 closest to the straight steel bar 11 and clamp the bending steel bar 12;

(3) The second driving device 216 works, so that the rotating shaft 212 is retracted away from the bending mechanism 4, the clamping plate 213 and the clamping piece 214 carry the bending steel bar 12 of the steel bar 1 to move in the Y-axis direction until the bending steel bar 12 is no longer positioned on the XZ plane where the end part of the ejector rod 41 is positioned, and the ejector rod 41 does not interfere with the movement of the steel bar 1;

(4) The first driving device 22 works to send the two hook rod devices 21 to the position of the shearing device 6 together with the reinforcing steel bar 1, finish stepping once and resetting to the state of (1), or continuously fix the reinforcing steel bar 1, and finish cutting the reinforcing steel bar and resetting to the state of (1) in cooperation with the shearing device 6.

Through the above scheme, the conveying mechanism 2 of the utility model is composed of two hook rod devices 21 and a first driving device 22, the clamping discs 213 and the clamping sheets 214 of the hook rod devices 21 are used as mechanical arms with rotation and expansion functions under the action of the second driving device 216 and the third driving device 217, and can be used for clamping the bent reinforcing steel bars 12 to realize fixation, and can be separated from an XZ plane where the ejector rods 41 of the bending mechanism 4 are positioned, so that the reinforcing steel bars 1 can move along with the X axis when the hook rod devices 21 are driven by the first driving device 22, and are forwards moved for a step distance, and even the reinforcing steel bars 1 are cut by being matched with the fixation of the hook rod devices 21; the conveying mechanism 2 of the utility model comprises the functions of the conveying part and the clamping component in the prior art, so that the structural design of the equipment is simpler and more compact, the connection of circuits and pipelines is convenient, meanwhile, the ejector rod 41 of the bending mechanism 4 is not required to be driven by a driving device, the actions required to be executed by the bending mechanism 4 are reduced, and the structure and the functions of the bending mechanism are more stable.

The above examples and drawings are not intended to limit the form or form of the present utility model, and any suitable variations or modifications thereof by those skilled in the art should be construed as not departing from the scope of the present utility model.

Claims

1. The utility model provides a conveying mechanism of steel bar bender, sets up in steel bar bender's frame and arrange in the both sides of steel bar guide slot with steel bar bender's bender structure, its characterized in that:

the device comprises two hook rod devices which synchronously move back and forth along the X-axis direction, and a first driving device for driving the hook rod devices;

The hook rod device comprises a sliding seat which moves back and forth along the X-axis direction under the action of the first driving device, and a rotating shaft arranged along the Y-axis direction is arranged on the sliding seat in a penetrating manner; one end of the rotating shaft, which faces the bending mechanism, is coaxially connected with a clamping plate and a clamping piece with a reserved space, and the clamping piece is overlapped or misplaced with the bent part of the reinforcing steel bar along with the rotation of the rotating shaft; a bearing is arranged at one end of the rotating shaft, which is opposite to the bending mechanism, and is driven by a second driving device to move back and forth along the Y-axis direction; the peripheral surface of the rotating shaft is provided with a third driving device, and the third driving device drives the rotating shaft to rotate back and forth along the XZ plane.

2. A transport mechanism for a bar bender as claimed in claim 1, wherein:

3. A transport mechanism for a bar bender as claimed in claim 2, wherein:

The connecting rod is a screw rod, and nuts sleeved on the connecting rod are arranged on two sides of the two connecting lugs.

4. A transport mechanism for a bar bender as claimed in claim 2, wherein:

The first driving device is an air cylinder or an oil cylinder, and a piston rod of the first driving device is connected with the end part of the link rod through a connecting arm; and the frame is provided with a limiting device which is arranged opposite to the piston rod of the first driving device and used for limiting the moving stroke of the hook rod device.

5. The transport mechanism of a steel bar bender as recited in claim 4, wherein:

The limiting device comprises a limiting rod which is collinear with a piston rod of the first driving device, and a first mounting frame which is fixed on the frame and used for mounting the limiting rod.

6. A transport mechanism for a bar bender as recited in claim 5, wherein:

the limiting rod and the first mounting frame; the number of the first mounting frames is two.

7. A transport mechanism for a bar bender as claimed in claim 1, wherein:

8. A transport mechanism for a bar bender as claimed in claim 1, wherein:

9. A transport mechanism for a bar bender as recited in claim 8, wherein:

The second driving device is an air cylinder or a hydraulic cylinder.

10. A transport mechanism for a bar bender as claimed in claim 1, wherein: