Disclosure of Invention
In order to solve the defects in the prior art, the invention provides the part lifting device for the cold header, which can support the part in the process of cold header processing the part, and the auxiliary clamp clamps the part to prevent the part from falling.
In order to achieve the above object, the present invention adopts the technical scheme that:
a part lifting device for a cold header comprises a triangular bracket, a fixed bracket, an air cylinder, a clamp and an electric control part, and is characterized in that,
The triangular bracket is fixed on a female die cavity of the cold header, and one end of the triangular bracket is provided with a first connecting hole;
One end of the fixed support is provided with a second connecting hole, and a bolt is connected with the tripod and the fixed support through the first connecting hole and the second connecting hole;
The cylinder is arranged on the fixed bracket through a connecting sheet and a hoop, and one end of the cylinder is connected with the piston rod;
The clamp is arranged at one end of the piston rod and moves up and down along with the piston rod;
and the electric control part reads the rotation angle of the main shaft of the cold header and controls the cylinder to act through the electromagnetic valve.
Further, a third connecting hole is further formed in one end of the fixing support, the third connecting hole is spaced from the second connecting hole by a preset distance, and the first connecting hole is matched with the third connecting hole to change the connecting position of the triangular support and the fixing support.
Furthermore, symmetrical through holes are respectively formed in two sides of the clamp, and the rollers are mounted on the clamp through the through holes.
Optionally, a groove is formed on the roller.
Further, the electric control part reads that the rotation angle of the main shaft of the cold header is 280 degrees, and the electromagnetic valve is used for inflating the air cylinder;
The electric control part reads that the rotation angle of the main shaft of the cold header is 320 degrees, and the electromagnetic valve reversely charges the air cylinder.
Further, the electric control part comprises a PLC controller and a sensor connected with the PLC controller, wherein the sensor is used for reading the rotation angle of the main shaft of the cold header.
Still further, the sensor is a displacement sensor.
Further, the air cylinders are double-rod air cylinders, the number of the piston rods corresponds to that of the double-rod air cylinders, and two ends of the double-rod air cylinders are respectively connected with the two piston rods.
The beneficial effects of the invention are as follows:
According to the cold header part lifting device, the rotating angle of the cold header main shaft is read through the electric control part, the air cylinder is controlled to act through the electromagnetic valve, so that the air cylinder drives the piston rod and the clamp to move up and down, when a part is pushed out of the female die, the part is supported, the auxiliary clamp clamps the part, the part is prevented from falling off, the stability and the clamping effect of the part after cold header forming are improved, meanwhile, the fixing support is provided with the selectable connecting hole, the relative position between the triangular support and the fixing support can be adjusted, and the cold header part lifting device can be conveniently adapted to parts with different lengths and shapes, so that the cold header part lifting device is particularly suitable for automobile part production lines of the cold header.
Detailed Description
Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the application.
It will be appreciated by those of skill in the art that, unless expressly stated otherwise, the singular forms "a," "an," "the," and "the" are intended to include the plural forms as well, wherein "first," "second," etc. are used for purposes of describing the clarity of understanding only and are not intended to limit the subject itself, and of course the subject defined by "first" and "second" may be the same terminal, device, user, etc. or the same terminal, device, and user. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. The term "and/or" as used herein includes all or any element and all combination of one or more of the associated listed items.
Furthermore, it should be understood that in embodiments of the present application, "at least one" means one or more, and "a plurality" means two or more. "and/or" describes an association of associated objects, meaning that there may be three relationships, e.g., A and/or B, and that there may be A alone, both A and B, and B alone, where A, B may be singular or plural. The character "/" generally indicates that the context-dependent object is an "or" relationship. "at least one (item) below" or the like, refers to any combination of these items, including any combination of single item(s) or plural items(s). For example, at least one (a, b or c) of a, b, c, a and b, a and c, b and c, or a, b and c may be represented, wherein a, b and c may be single or plural.
For the purpose of making the objects, technical solutions and advantages of the present application more apparent, the embodiments of the present application will be described in further detail with reference to the accompanying drawings.
As shown in a schematic view of a part 1 processed by cold heading in fig. 1, the part 1 has a special shape, the whole shape of the part is in a step shape, the end part of the part is larger, a part rod connected with the end part of the part has a longer size, when the part 1 is ejected from a die after cold heading forming is finished, the inner cavity of the die cannot be well contacted with the shape of the part, meanwhile, the weight of the end part is heavy, so that after the part 1 is ejected from a die, the end part drops, and can not be stably clamped by a clamp, or the end part of the part is severely rocked in the clamping and transporting process, and clamping and conveying fail.
Therefore, the cold header part lifting device is mainly applied to the production process of the special-shaped part 1, provides stable support, and prevents the part 1 from falling down or shaking when being pushed out of the die after cold header forming.
The cold header part lifting device comprises a triangular bracket 9, a fixed bracket 7, an air cylinder 4, a clamp 2, a roller 3 and an electric control part.
The triangular bracket 9 is fixed on a female die cavity 10 of the cold header and is provided with a first connecting hole;
one end of the fixed support 7 is provided with a second connecting hole and a third connecting hole, the second connecting hole and the third connecting hole are spaced by a preset distance, the fixed support 7 is connected with the first connecting hole of the tripod 9 through the second connecting hole through a bolt 8, or is connected with the first connecting hole of the tripod 9 through the third connecting hole through a bolt 8, and the relative positions between the two are adjusted by selecting different connecting holes to be connected with the tripod 9 so as to adapt to parts with different lengths.
The air cylinder 4 is arranged on the fixed support 7 through a connecting sheet 6 and a hoop 5, one end of the air cylinder 4 is connected with a piston rod, the air cylinder 4 is a double-rod air cylinder, the number of the piston rods corresponds to that of the double-rod air cylinder, and two ends of the double-rod air cylinder are respectively connected with two piston rods;
The clamping hoop 2 is arranged at one end of the piston rod and moves up and down along with the piston rod, symmetrical through holes are respectively formed in two sides of the clamping hoop 2, the idler wheels 3 are arranged on the clamping hoop 2 through the through holes, and grooves are formed in the idler wheels 3;
The electric control part reads the rotation angle of the main shaft of the cold header and controls the cylinder 4 to act through the electromagnetic valve, wherein the electric control part comprises a PLC controller and a displacement sensor connected with the PLC controller, and the displacement sensor is used for reading the rotation angle of the main shaft of the cold header.
Specifically, during the operation of the cold header, the male die of the cold header and the female die of the cold header finish the processing of the part 1 through extrusion, when the male die and the female die are at the farthest positions, the spindle angle is 0 degrees, the male die moves forwards, the spindle angle is 180 degrees when the male die and the female die are at the nearest distances, the male die moves backwards, when the male die returns to the farthest positions from the female die again, the spindle angle is 360 degrees, the displacement of the male die is read at any time through a displacement sensor, and the spindle angle is calculated through a PLC and the corresponding control cylinder 4 acts.
Therefore, when the main shaft angle of the cold header exceeds 180 degrees, the part 1 is processed and gradually ejected from the female die, when the main shaft angle of the cold header is 280 degrees, the PLC inflates the air cylinder 4 based on the electromagnetic valve, so that the air cylinder 4 drives the piston rod to move upwards, the clamp 2 and the roller 3 are further moved upwards, when the main shaft angle is 300 degrees, the part reaches a preset position, as shown in fig. 2, after the part 1 is pushed out of the female die, the clamp 2 clamps the part rod, friction between the part rod and the roller 3 is reduced through the groove on the roller 3, and the clamp 2 is clamped more stably.
When the main shaft angle of the cold header is in the range of 320-340 degrees, the PLC reversely charges the air cylinder 4 based on the electromagnetic valve, so that the piston rod drives the clamp 2 and the roller 3 to move downwards until the lowest position, as shown in fig. 3, and meanwhile, the clamp clamps and transports the part 1, and before the next operation period reaches 280 degrees, the piston rod is always at the lowest position.
Therefore, the cold header part lifting device reads the rotation angle of the cold header main shaft through the electric control part, and controls the cylinder 4 to act through the electromagnetic valve, so that the cylinder 4 drives the piston rod and the clamp 2 to move up and down, when the part 1 is pushed out of the female die, the part 1 is supported, the auxiliary clamp clamps the part 1 to prevent the part 1 from falling, and meanwhile, the fixing support 7 is provided with the selectable connecting hole, the relative position between the triangular support 9 and the fixing support 7 can be adjusted, and the cold header part lifting device can be conveniently adapted to parts 1 with different lengths and shapes, so that the cold header part lifting device is particularly suitable for an automobile part production line of the cold header.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present invention should be included in the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.