Annular part feeding clamp

Abstract

The utility model discloses an annular part feeding clamp, which belongs to the technical field of clamps and particularly comprises a feeding disc, a plurality of groups of feeding components are arranged on the feeding disc, and the feeding components apply outward expansion force to the inner wall of an annular workpiece or apply inward clamping force to the outer wall of the annular workpiece. The feeding disc is provided with a plurality of sets of discharging assemblies corresponding to the feeding assemblies, the discharging assemblies apply acting force to the annular workpieces to enable the annular workpieces to be separated from the feeding assemblies and fall onto the mold, and the feeding assemblies are provided with positioning pieces used for fixing the falling direction of the annular workpieces. According to the scheme, the annular workpiece is taken through the feeding assembly, the annular workpiece falls into the mold through the discharging assembly, meanwhile, under the action of the positioning piece, the annular workpiece can effectively fall into the required position on the mold, the yield of the whole formed product is guaranteed, manual work is effectively replaced, and the work efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of clamps, in particular to a ring-shaped part feeding clamp. Background Art

[0002] In the production process of industrial parts, forming molds have been widely used. In actual production, materials are pressed or poured into workpieces of a certain shape to complete the production of workpieces.

[0003] With the development of computer and automation technology, robots are widely used in industrial production to replace manual operation. In the process of mold forming, the use of robots can accurately and automatically remove products, thereby increasing production capacity, reducing product cost defective rate, and saving manpower and material resources.

[0004] However, most of the current robots can only perform the material removal work after the workpiece is completed. In the face of some situations where it is necessary to add some other parts to the mold to form an integral part with the workpiece before processing the workpiece, it is usually positioned and placed manually. This manual method is labor-intensive and therefore, a new solution is needed to solve this problem. Utility Model Content

[0005] The purpose of the utility model is to provide a ring-shaped component feeding fixture to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, a technical solution adopted by the utility model is: a ring-shaped part loading fixture, including a loading plate, on which a plurality of loading components are arranged, the loading components apply an outward expansion force to the inner wall of the ring-shaped workpiece or an inward clamping force to the outer wall of the ring-shaped workpiece, the loading plate is provided with a plurality of unloading components arranged corresponding to the loading components, the unloading components apply a force to the ring-shaped workpiece to make it separate from the loading components and fall onto the mold, and the loading components are provided with a positioning part for fixing the falling direction of the ring-shaped workpiece.

[0007] Preferably, the feeding assembly comprises a feeding cylinder / feeding motor and a fixed column with at least two clamping claws controlled by the feeding cylinder / feeding motor, and the feeding cylinder / feeding motor controls the fixed column to open and support the inner wall of the annular workpiece or clamp the outer wall of the annular workpiece;

[0008] Alternatively, the loading assembly includes an expansion elastic member arranged on a positioning member, and the expansion elastic member moves in the radial direction of the annular workpiece when the annular workpiece is fixed by the loading assembly. When the annular workpiece is sleeved on the expansion elastic member, the expansion elastic member applies a radial outward expansion force to it.

[0009] Preferably, the unloading assembly includes a lower pressing piece and a unloading cylinder / unloading motor for controlling the movement of the lower pressing piece, and the unloading cylinder / unloading motor controls the lower pressing piece to squeeze the end face of the annular workpiece to separate it from the loading assembly.

[0010] Preferably, the loading tray is also provided with a picking assembly, which includes a lifting tray and at least one product clamp arranged on the lifting tray, and the loading tray is provided with a lifting cylinder for controlling the lifting tray to approach or move away from the loading tray.

[0011] Preferably, a material head clamp for taking out the material head is provided on the lifting plate.

[0012] Preferably, a buffer portion is provided on the loading tray, and the buffer portion includes a column and a mounting plate mounted on the column for mounting a robotic arm, a stopper is fixed to the end of the column to prevent the mounting plate from detaching, and a buffer spring is provided between the mounting plate and the loading tray.

[0013] Preferably, the loading tray is provided with a plurality of weight-reducing grooves.

[0014] Beneficial effects of the utility model: In this solution, the feeding component takes the annular workpiece, and the unloading component allows the annular workpiece to fall onto the mold. At the same time, under the action of the positioning member, the annular workpiece can effectively fall into the required position on the mold, thereby ensuring the yield rate of the entire product after molding, effectively replacing manual labor, and improving work efficiency;

[0015] Among them, the finished product can be taken out through the material taking component, and the material head formed by the injection flow channel in the injection mold can be taken out through the material head clamp;

[0016] Among them, by providing a buffer part, the force transmitted due to the setbacks during the movement of the robot arm can be reduced, effectively improving the service life of the product;

[0017] In addition, by providing a weight-reducing clearance groove at the interference portion between the mold and the loading plate, the overall mass of the fixture can be reduced while ensuring effective implementation of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the positional relationship between the material taking component and the loading tray of the utility model;

[0020] Figure 3 It is a schematic diagram of the connection relationship between the feeding assembly, the unloading assembly and the positioning member in the utility model;

[0021] Figure 4It is a structural schematic diagram of the feeding assembly, the unloading assembly and the positioning member in the utility model;

[0022] In the figure: 1. Loading plate; 2. Post; 3. Buffer spring; 4. Stopper; 5. Mounting plate; 6. Unloading cylinder; 7. Fixed base; 8. Pressing part; 9. Positioning part; 10. Expansion elastic part; 11. Storage and clearance groove; 12. Lifting cylinder; 13. Lifting plate; 14. Product clamp; 15. Material head clamp; 16. Material head positioning socket; 17. Counterweight lowering and clearance groove. DETAILED DESCRIPTION

[0023] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0024] Example:

[0025] See also Figure 1 A ring-shaped part loading fixture includes a loading plate 1, on which a plurality of loading components are arranged, the loading components apply an outward expansion force to the inner wall of the ring-shaped workpiece or an inward clamping force to the outer wall of the ring-shaped workpiece, the loading plate 1 is provided with a plurality of unloading components arranged corresponding to the loading components, the unloading components apply a force to the ring-shaped workpiece to make it separate from the loading components and fall onto the mold, and the loading components are provided with a positioning member 9 for fixing the falling direction of the ring-shaped workpiece.

[0026] Among them, see Figure 3 , Figure 4The loading tray 1 is a plate body, and the fixing member is a column fixed on the loading tray 1, one end of which is fixed on the loading tray 1 through a fixing base 7, and the other end is conical to facilitate the entry of the annular workpiece. The loading assembly includes an expansion elastic member 10 arranged on the positioning member 9, and the expansion elastic member 10 moves in the radial direction of the annular workpiece when the annular workpiece is fixed by the loading assembly. When the annular workpiece is sleeved on the expansion elastic member 10, it is subjected to the radial outward expansion force applied by the expansion elastic member 10. In this embodiment, the expansion elastic member 10 is a rigid steel wire, the middle part of which is arranged in an arc shape, and is fixed at the fixed position. A receiving and giving way groove 11 is opened on the part along the axial direction of the fixing part, one end of the expansion elastic part 10 is fixed in the receiving and giving way groove 11, and the other end slides in the receiving and giving way groove 11, so that the arc-shaped part of the expansion elastic part 10 can move along the radial direction of the positioning part 9 to achieve the function of fixing the annular workpiece; in addition, in other embodiments, the feeding component can be a feeding cylinder / feeding motor and a feeding cylinder / feeding motor controlled by the feeding cylinder / feeding motor with at least two fixed columns acting as clamps, and the feeding cylinder / feeding motor controls the fixed column to open and support the inner wall of the annular workpiece or clamp the outer wall of the annular workpiece to realize the function of the feeding component.

[0027] Among them, see Figure 3 , Figure 4 The unloading assembly includes a lower pressing piece 8 and a unloading cylinder 6 for controlling the movement of the lower pressing piece 8. The unloading cylinder 6 controls the lower pressing piece 8 to squeeze the end face of the annular workpiece to separate it from the loading assembly. In the present embodiment, the lower pressing piece 8 is a sleeve arranged outside the positioning piece 9. Under the control of the unloading cylinder 6, the lower pressing piece 8 moves along the setting direction of the positioning piece 9 to achieve the effect of separating the annular workpiece from the loading assembly. In other embodiments, the effect of controlling the movement of the lower pressing piece 8 can be achieved by setting a unloading motor.

[0028] Among them, see Figure 1 The loading tray 1 is also provided with a picking component, which includes a lifting tray 13 and at least one product clamp 14 arranged on the lifting tray 13. The loading tray 1 is provided with a lifting cylinder 12 for controlling the lifting tray 13 to approach or move away from the loading tray 1. The lifting tray 13 is also provided with a material head clamp 15 for taking out the material head. A material head positioning socket 16 is provided on the lifting tray 13 to facilitate the positioning of the material head. The material head clamp 15 and the product clamp 14 can be finger cylinders.

[0029] Among them, a buffer part is arranged on the loading tray 1, and the buffer part includes multiple columns 2 and a mounting plate 5 for mounting a robot arm which is sleeved on the multiple columns 2. The mounting plate 5 and the loading tray 1 are arranged parallel to each other up and down. A stopper 4 is fixed at the end of the column 2 to prevent the mounting plate 5 from detaching. A buffer spring 3 is arranged between the mounting plate 5 and the loading tray 1. By setting the buffer part, the force transmitted due to the setbacks in the movement of the robot arm can be reduced, thereby effectively improving the service life of the product.

[0030] Finally, a plurality of weight-reducing grooves 17 are provided on the loading plate 1, which can avoid the interference of the mold with the product and reduce the overall mass of the fixture.

[0031] Working process and principle:

[0032] When using this product, first install this product with the corresponding robotic arm, then control the loading tray 1 to be placed in the discharge area for storing the annular workpiece through the robotic arm. Under the control of the robotic arm, the annular workpiece is sleeved onto the positioning member 9 and the annular workpiece is taken out under the action of the expansion elastic member 10. Then the robotic arm controls the loading tray 1 to be placed at the required position on the mold. Under the control of the unloading cylinder 6, the pressing member 8 makes the annular workpiece separate from the positioning member 9 and fall into the specified position. Under the action of the positioning member 9, the annular workpiece can be accurately positioned and placed. After the parts in the mold are formed, the robotic arm controls the loading tray 1 to reach the specified position, then the lifting cylinder 12 controls the lifting tray 13 to move to the specified position, then the product clamp 14 and the material head clamp 15 respectively take out the formed parts and the material head.

[0033] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structural transformation made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, is also included in the patent protection scope of the present invention.

Claims

1. A ring-shaped parts feeding fixture, characterized in that: The invention comprises a loading plate (1), on which a plurality of loading components are arranged, the loading components exert an outward expansion force on the inner wall of the annular workpiece or exert an inward clamping force on the outer wall of the annular workpiece, the loading plate (1) is provided with a plurality of unloading components arranged corresponding to the loading components, the unloading components exert a force on the annular workpiece to make it separate from the loading components and fall onto the mold, and the loading components are provided with a positioning member (9) for fixing the falling direction of the annular workpiece.

2. The ring-shaped member feeding fixture according to claim 1, characterized in that: The feeding assembly includes a feeding cylinder / feeding motor and a fixed column controlled by the feeding cylinder / feeding motor and having at least two clamping claws. The feeding cylinder / feeding motor controls the fixed column to open and support the inner wall of the annular workpiece or clamp the outer wall of the annular workpiece.

3. The ring-shaped member feeding fixture according to claim 1, characterized in that: The feeding assembly comprises an expansion elastic member (10) arranged on a positioning member (9). When the annular workpiece is fixed by the feeding assembly, the expansion elastic member (10) moves in the radial direction of the annular workpiece. When the annular workpiece is sleeved on the expansion elastic member (10), the expansion elastic member (10) exerts a radial outward expansion force on it.

4. A ring-shaped member feeding fixture according to any one of claims 2 or 3, characterized in that: The unloading assembly comprises a lower pressing piece (8) and an unloading cylinder (6) for controlling the movement of the lower pressing piece (8), and a unloading motor. The unloading cylinder (6) and the unloading motor control the lower pressing piece (8) to squeeze the end face of the annular workpiece so that it separates from the loading assembly.

5. The ring-shaped member feeding fixture according to claim 1, characterized in that: The loading tray (1) is also provided with a pick-up assembly, the pick-up assembly comprising a lifting tray (13) and at least one product clamp (14) arranged on the lifting tray (13), and the loading tray (1) is provided with a lifting cylinder (12) for controlling the lifting tray (13) to approach or move away from the loading tray (1).

6. The ring-shaped member feeding fixture according to claim 5, characterized in that: The lifting plate (13) is provided with a material head clamp (15) for taking out the material head.

7. The ring-shaped member feeding fixture according to claim 1, characterized in that: The loading tray (1) is provided with a buffer portion, the buffer portion comprising a column (2) and a mounting plate (5) sleeved on the column (2) for mounting a robot arm, a stopper (4) for preventing the mounting plate (5) from detaching is fixed to the end of the column (2), and a buffer spring (3) is provided between the mounting plate (5) and the loading tray (1).

8. The ring-shaped member feeding fixture according to claim 1, characterized in that: The loading plate (1) is provided with a plurality of weight-reducing and paving grooves (17).

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