阅读说明：本技术 弯管快速换模装置及方法 (Quick die change device and method for bent pipe ) 是由 王强 康宝龙 齐鹏 李晓红 宋建 康龙基 韩秀兰 王静 于涛 胡宽 于 2021-07-30 设计创作，主要内容包括：弯管快速换模装置及方法,属于弯管加工装置领域。本发明解决了传统的弯管设备在更换模具时步骤繁琐,更换模具时间较长,弯管作业效率低的问题。本发明包括过渡板、过渡块和夹持块,所述过渡块与夹持块固定连接,过渡板的一侧与弯管设备固定连接,过渡板的另一侧与过渡块连接,夹持块用于夹持弯管。通过本发明的弯管快速换模装置及方法,与传统弯管作业相比,有效缩短了更换模具的时间,并且更换模具的步骤简单便捷,对于弯管加工作业的效率起到了显著的提升。(A quick die change device and a method for a bent pipe belong to the field of bent pipe processing devices. The invention solves the problems of complicated steps, long time for replacing the die and low pipe bending efficiency of the traditional pipe bending equipment when the die is replaced. The pipe bending device comprises a transition plate, a transition block and a clamping block, wherein the transition block is fixedly connected with the clamping block, one side of the transition plate is fixedly connected with a pipe bending device, the other side of the transition plate is connected with the transition block, and the clamping block is used for clamping a bent pipe. Compared with the traditional pipe bending operation, the quick pipe bending die changing device and method provided by the invention effectively shorten the time for changing the die, are simple and convenient in die changing steps, and obviously improve the efficiency of pipe bending operation.)

1. Quick retooling device of return bend, its characterized in that: including crossing cab apron (1), transition piece (2) and grip block (4) fixed connection, one side and the return bend equipment fixed connection of crossing cab apron (1), the opposite side and the transition piece (2) of crossing cab apron (1) are connected, and grip block (4) are used for the centre gripping return bend.

2. The quick die change device for bent pipes according to claim 1, characterized in that: the transition block (2) is of a cylindrical structure formed by a curved surface column (21) and a first boss (22), the curved surface column (21) is installed in a matched mode with a curved surface key groove (14) of the transition plate (1), and the first boss (22) is installed in a matched mode with the clamping block (4).

3. The quick die change device for the elbow pipe according to claim 2, wherein: the clamping block (4) is a linear clamping block (5) or a curved clamping block (6), the linear clamping block (5) is used for clamping a pipe with a straight line at the front end of the elbow, and the curved clamping block (6) is used for clamping a pipe with a curved line at the front end of the elbow.

4. The quick die change device for bent pipes according to claim 3, wherein: and a groove (9) which is matched with the first boss (22) of the transition block (2) and is arranged on the non-clamping side of the linear clamping block (5) is processed, and the clamping side of the linear clamping block (5) is of a plane structure and is provided with a clamping groove (7).

5. The quick die change device for bent pipes according to claim 3, wherein: the non-clamping side of the curve type clamping block (6) is provided with a groove (9) which is matched with the first boss (22) of the transition block (2) for installation, the clamping side of the curve type clamping block (6) is of a curved surface structure, the curved surface turning radius is the bending radius of the curve at the front end of the clamped bent pipe, and the clamping side of the curve type clamping block (6) is provided with a semicircular groove (10).

6. The quick die change device for the elbow pipe according to claim 4 or 5, wherein: the left side surface of the transition plate (1) is provided with a longitudinal installation groove (13) matched with the pipe bending equipment, the transition plate (1) is connected with the pipe bending equipment through a bolt, and the right side surface of the transition plate (1) is provided with a second boss (11) used for positioning the clamping block (4).

7. The quick die change method for the bent pipe is characterized by comprising the following steps: the method comprises the following steps:

the method comprises the following steps: the transition plate (1) is fixedly arranged on the pipe bending equipment, the transition plate (1) is positioned through a longitudinal installation groove (13) at the bottom of the transition plate (1), and the transition plate (1) is fixed on the pipe bending equipment through a screw rod;

step two: assembling a plurality of clamping blocks (4) of different types, and fixing the clamping blocks (4) of different types with the transition blocks (2) through bolts (3);

step three: the clamping block (4) is quickly installed on the transition plate (1) through the transition block (2), when the clamping block (4) needs to be replaced, the transition block (2) installed on the transition plate (2) is taken down, and then the transition block (2) of the clamping block (4) of the other model is installed on the transition plate (1).

8. The quick die change method for the bent pipe according to claim 7, wherein: the third step is specifically as follows:

the front end line type of the bent pipe clamped according to the requirement selects a linear clamping block (5) or a curved clamping block (6), the linear clamping block (5) is selected when the front end line type of the bent pipe is a straight line, a transition block (2) fixedly connected with the linear clamping block (5) is inserted into a curved key groove (14) of a transition plate (1) for fixation, the curved clamping block (6) is selected when the front end line type of the bent pipe is a curved line, and the transition block (2) fixedly connected with the curved clamping block (6) is inserted into the curved key groove (14) of the transition plate (1) for fixation.

Technical Field

The invention relates to a die changing device for a bent pipe, and belongs to the field of bent pipe machining devices.

Background

In the pipe bending process, the bending conditions of the pipe are various, and the pipe bending process is suitable for different bending conditions, so that corresponding dies need to be continuously replaced to ensure the normal operation of pipe bending, and the following defects exist when the dies are replaced in the pipe bending process at present:

1. the conventional pipe bending die needs to be fixed on equipment through bolts, corresponding fasteners need to be disassembled when the die is replaced, the steps are very complicated, the conventional pipe bending die is heavy, and a lifting device needs to be matched for installation, so that the complexity of replacing the die is increased, the time for replacing the die is too long, and the efficiency of pipe bending operation is reduced;

2. a plurality of pipe bending devices are arranged during partial pipe bending operation so as to facilitate the pipe bending operation, but a large amount of devices are idle due to the condition, and the bent pipes are fixed in a multi-layer die mode, but the devices are high in price and high in early-stage investment cost.

In view of the above, there is a need for a fast mold changing device for bending tubes, which can change the mold quickly, has a simple structure and is light in weight, and is used to solve the above problems.

Disclosure of Invention

The invention solves the problems of complicated steps, long time for replacing the die and low pipe bending efficiency of the traditional pipe bending equipment when the die is replaced, and further discloses a device and a method for quickly replacing the die for pipe bending. The following presents a simplified summary of the invention in order to provide a basic understanding of some aspects of the invention. It should be understood that this summary is not an exhaustive overview of the invention. It is not intended to determine the key or critical elements of the present invention, nor is it intended to limit the scope of the present invention.

The technical scheme of the invention is as follows:

the quick die change device for the bent pipe comprises a transition plate, a transition block and a clamping block, wherein the transition block is fixedly connected with the clamping block, one side of the transition plate is fixedly connected with a bent pipe device, the other side of the transition plate is connected with the transition block, and the clamping block is used for clamping the bent pipe.

Furthermore, the transition block is of a cylindrical structure formed by a curved column and a first boss, the curved column is matched with the curved key groove of the transition plate, and the first boss is matched with the clamping block.

Furthermore, the clamping block is a linear clamping block or a curved clamping block, the linear clamping block is used for clamping the pipe with the front end of the bent pipe being a straight line, and the curved clamping block is used for clamping the pipe with the front end of the bent pipe being a curved line.

Furthermore, a groove matched with the first boss of the transition block is formed in the non-clamping side of the linear type clamping block, and the clamping side of the linear type clamping block is of a planar structure and is provided with a clamping groove.

Furthermore, a groove matched with the first boss of the transition block is formed in the non-clamping side of the curve-shaped clamping block, the clamping side of the curve-shaped clamping block is of a curved surface structure, the curved surface turning radius is the bending radius for clamping the curve at the front end of the bent pipe, and a semicircular groove is formed in the clamping side of the curve-shaped clamping block.

Furthermore, a longitudinal installation groove matched with the pipe bending equipment is formed in the left side face of the transition plate, the transition plate is connected with the pipe bending equipment through bolts, and a second boss used for positioning the clamping block is arranged on the right side face of the transition plate.

The quick die change method for the bent pipe comprises the following steps:

the method comprises the following steps: fixedly installing the transition plate on the pipe bending equipment, positioning the transition plate through a longitudinal installation groove at the bottom of the transition plate, and fixing the transition plate on the pipe bending equipment through a screw;

step two: assembling a plurality of clamping blocks of different types, and fixing the clamping blocks of different types with the plurality of transition blocks through bolts respectively;

step three: the clamping block is quickly installed on the transition plate through the transition block, when the clamping block needs to be replaced, the transition block installed on the transition plate is taken down, and then the transition block of the clamping block of the other type is installed on the transition plate.

Further, the specific method of the third step is as follows:

the front end line type of the bent pipe clamped according to the requirement selects a linear clamping block or a curved clamping block, the linear clamping block is selected when the front end line type of the bent pipe is a straight line, a transition block fixedly connected with the linear clamping block is inserted into a curved key groove of a transition plate to be fixed, the curved clamping block is selected when the front end line type of the bent pipe is a curved line, and the transition block fixedly connected with the curved clamping block is inserted into a curved key groove of the transition plate to be fixed.

The invention has the beneficial effects that:

1. compared with the traditional integrated die, the quick die change device for the bent pipe is characterized in that the die is disassembled into two modules, the transition plate is heavy and difficult to replace, so that the filter plate is directly fixed on the bent pipe equipment and only the module for clamping the bent pipe is replaced, the operation is simple and convenient, the operation can be completed by one hand, the die change speed is high, and different dies are selected according to the specific form of the pipe to realize quick die change;

2. the quick die change device for the bent pipe is simple in structure, convenient and fast to assemble, suitable for bending conditions of most bent pipes and capable of saving manufacturing cost of dies.

Drawings

FIG. 1 is a schematic view of the fitting relationship of the quick die change device for bending pipe;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a cross-sectional view of a transition plate;

FIG. 4 is a side view of the transition plate;

FIG. 5 is a top view of the transition plate;

FIG. 6 is a cross-sectional view of a transition block;

FIG. 7 is a front view of a transition block;

FIG. 8 is a side view of the linear clamp block;

FIG. 9 is a top view of the linear clamp block;

FIG. 10 is a side view of a curvilinear clamp block;

fig. 11 is a top view of a curvilinear clamp block.

In the figure, 1-a transition plate, 2-a transition block, 3-a bolt, 4-a clamping block, 5-a linear clamping block, 6-a curved clamping block, 7-a clamping groove, 8-a threaded hole, 9-a groove, 10-a semicircular groove, 11-a second boss, 12-a through hole, 13-a mounting groove, 14-a curved key groove, 21-a curved column, 22-a first boss and 23-a counter bore.

Detailed Description

In order that the objects, aspects and advantages of the invention will become more apparent, the invention will be described by way of example only, and in connection with the accompanying drawings. It should be understood that the description is intended to be exemplary, and not intended to limit the scope of the invention. In the following description, moreover, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

The first embodiment is as follows: the embodiment is described by combining fig. 1, and the fast die changing device for the elbow pipe of the embodiment comprises a transition plate 1, a transition block 2 and a clamping block 4, wherein the transition block 2 is fixedly connected with the clamping block 4, one side of the transition plate 1 is fixedly connected with a pipe bending device, the other side of the transition plate 1 is connected with the transition block 2, the clamping block 4 is used for clamping the elbow pipe, different clamping blocks 4 are selected by the clamping block 4 according to the diameter size and the type of the elbow pipe, the weight and the volume of the transition plate 1 are large, so that the transition plate 1 is directly fixed on the pipe bending device, the weight and the volume of the clamping block 4 are small, the clamping block 4 can be taken up by one hand, the clamping block 4 is inserted into the transition plate 1 through the transition block 2, the fast fixing and convenient installation are realized, and the die changing time is reduced.

The second embodiment is as follows: the embodiment is described by combining fig. 1-11, and the quick die change device for the bent pipe of the embodiment, the transition block 2 is of a cylindrical structure formed by a curved column 21 and a first boss 22, the curved column 21 is installed in cooperation with a curved key groove 14 of the transition plate 1, the first boss 22 is installed in cooperation with the clamping block 4, the transition block 2 is formed by adding the curved column 21 to the first boss 22, two countersunk holes 23 are formed in a plane perpendicular to the first boss 22, the transition block 2 is fixed with the clamping block 4 by bolts 3, so that the clamping block 4 is guaranteed to have good stability, and no fracture situation is generated during the pipe bending operation.

The third concrete implementation mode: the embodiment is described by combining fig. 1 to fig. 11, the quick die change device for elbow pipe of the embodiment, the clamping block 4 is a linear clamping block 5 or a curved clamping block 6, the linear clamping block 5 is used for clamping the pipe with the front end of the elbow pipe being a straight line, the curved clamping block 6 is used for clamping the pipe with the front end of the elbow pipe being a curved line, a groove 9 which is matched and installed with a first boss 22 of the transition block 2 is processed on the non-clamping side of the linear clamping block 5, the clamping side of the linear clamping block 5 is a plane structure and is provided with a clamping groove 7, the non-clamping side of the linear clamping block 5 is processed with a groove 9 which is matched and installed with the first boss 22 of the transition block 2, the clamping side of the linear clamping block 5 is a plane structure and is provided with a clamping groove 7, the linear clamping block 5 and the groove 9 of the curved clamping block 6 are used for being matched and connected with the transition block 2, and the clamping groove 7 and the groove 10 are used for fixing the semi-circular elbow pipe to be operated, the radius of the holding groove 7 is the radius of the curved pipe, and the radius of the semicircular groove 10 is the radius of the curved pipe.

The fourth concrete implementation mode: the embodiment is described by combining fig. 1-11, and the fast die changing device for the bent pipe of the embodiment is characterized in that a longitudinal installation groove 13 matched with a pipe bending device is formed in the left side surface of a transition plate 1, the transition plate 1 is connected with the pipe bending device through a bolt, a second boss 11 used for positioning a clamping block 4 is arranged on the right side surface of the transition plate 1, the transition plate 1 is of an L-shaped structure, the second boss 11 on the transition plate 1 is used for positioning the clamping block 4, the straight edge material selection and the specific length of the transition plate 1 are calculated through two sides theoretically, so that the matching size of the device is met, the length of a non-base end is guaranteed to avoid interference, and meanwhile, the transition plate 1 guarantees certain rigidity and meets the use requirements.

The fifth concrete implementation mode: the embodiment is described with reference to fig. 1 to 11, and the fast die change method for the bent pipe of the embodiment includes the following steps:

the method comprises the following steps: fixedly installing a transition plate 1 on a pipe bending device, positioning the transition plate 1 through a longitudinal installation groove 13 at the bottom of the transition plate 1, and fixing the transition plate 1 on the pipe bending device through a screw;

step two: assembling a plurality of clamping blocks 4 of different types, and fixing the clamping blocks 4 of different types with the transition blocks 2 through bolts 3 respectively;

step three: the clamping block 4 is quickly installed on the transition plate 1 through the transition block 2, when the clamping block 4 needs to be replaced, the transition block 2 installed on the transition plate 2 is taken down, and then the transition block 2 of the clamping block 4 of the other model is installed on the transition plate 1.

The sixth specific implementation mode: the embodiment is described with reference to fig. 1 to fig. 11, and the method for quickly changing the mold of the bent pipe in the embodiment includes the following specific steps:

the linear type clamping block 5 or the curved type clamping block 6 is selected according to the line type of the front end of the bent pipe to be clamped, the linear type clamping block 5 is selected when the line type of the front end of the bent pipe is a straight line, the transition block 2 fixedly connected with the linear type clamping block 5 is inserted into the curved surface key groove 14 of the transition plate 1 to be fixed, the curved type clamping block 6 is selected when the line type of the front end of the bent pipe is a curved line, and the transition block 2 fixedly connected with the curved type clamping block 6 is inserted into the curved surface key groove 14 of the transition plate 1 to be fixed.

The above-described embodiments are preferred implementations of the present invention, and the present invention may be implemented in other ways without departing from the inventive concept of the present invention, and any obvious alternatives are within the scope of the present invention.