Double-clamping-point clamp for feeding and discharging forge pieces

Abstract

The invention relates to the technical field of automobile part machining, and particularly discloses a double-clamping-point clamp for feeding and discharging forgings. A limiting groove is formed in one end of the center frame; limiting shafts are symmetrically inserted into the limiting grooves; the limiting shaft is sleeved with a clamping plate; a second bearing bulge is arranged at the lower end of the clamping plate; the handle is held by a hand, then the control switch is pressed by fingers, and the control switch controls the reciprocating motion of the oil hydraulic cylinder, so that the lower end of the clamping plate is driven to move relatively to be matched with the cantilever crane to move up and down to the automobile front axle forge piece, and then the clamping plate clamps the automobile front axle forge piece for limiting; and then the cantilever crane is controlled to lift the automobile front axle forgings, then the automobile front axle forgings horizontally move, the functions that the automobile front axle forgings on the drying production line are taken down and then moved to another place to be stacked can be achieved, and therefore manpower is saved, and higher safety is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of automobile parts processing, in particular to a double-clamping point clamp for loading and unloading forgings. Background Art

[0002] Forging is a processing method that applies pressure to metal billets to cause them to undergo plastic deformation, thereby obtaining forgings with a certain shape, size, and quality. This process can be divided into two categories: free forging and model forging.

[0003] The Chinese utility model patent with publication number CN219467463U disclosed on August 4, 2023 a forged automobile front axle formed by roll forging and die forging, see the attached figure of the specification Figure 4 .

[0004] The Chinese invention patent with publication number CN118663835A disclosed a multifunctional forging manipulator clamp on September 20, 2024, including a base and a manipulator arm arranged on the base, a mounting frame is arranged at the other end of the manipulator arm, a clamping arm mechanism and a first driving mechanism are arranged on the mounting frame, the clamping arm mechanism includes a first clamping arm and a second clamping arm, the first driving mechanism includes a first driving source, a first rotating shaft and a second rotating shaft, the first clamping arm is passed through the second rotating shaft, a first linkage seat is rotatably provided on the second rotating shaft, a third rotating shaft is provided on the first linkage seat, the second clamping arm is passed through the third rotating shaft, a gear set is linked between the second rotating shaft and the third rotating shaft, a second driving source is provided on the mounting frame, and a linkage structure that can link the first linkage seat to rotate is provided between the output end of the second driving source and the first linkage seat. The beneficial effect of the present invention is: providing a multifunctional forging manipulator clamp that can forge the forging by turning over.

[0005] However, the above-mentioned disclosed solutions have the following shortcomings: the fixture in the prior art is assembled on a robot, but the robot is expensive and the program control is complicated, and it is impossible to achieve low-cost and stable operation, which makes it inconvenient to clamp the forgings and move them when the forging processing changes are complex. Summary of the invention

[0006] The purpose of the present invention is to solve the above technical problems and provide a double-clamping point clamp for loading and unloading forgings.

[0007] In order to achieve the above object, the present invention adopts the following technical solutions:

[0008] The technical solution adopted by the present invention to solve its technical problems is: a double-clamping-point clamp for loading and unloading forgings described in the present invention comprises a center frame connected to a cantilever crane; a limiting groove is provided at one end of the center frame; a limiting shaft is symmetrically inserted in the limiting groove; a clamping plate is sleeved on the limiting shaft; a second load-bearing protrusion is provided at the lower end of the clamping plate; the upper end of the clamping plate is symmetrically rotatably connected to a side plate; movable blocks are rotatably connected between the side plates; a hydraulic cylinder is fixedly connected between the movable blocks; a handle is fixedly connected to the other end of the center frame; a control switch is provided in the handle.

[0009] Furthermore, a movable clamping plate is sleeved on the other end of the central frame; and a first load-bearing protrusion is symmetrically provided on the lower end of the movable clamping plate.

[0010] Furthermore, a second fastener is threadedly connected to the opening of the movable clamping plate corresponding to the central frame.

[0011] Furthermore, a movable sleeve is sleeved on the central frame; a lifting ring is fixedly connected to the movable sleeve; and a first fastener is threadedly connected to the opening of the movable sleeve corresponding to the central frame.

[0012] The double-clamping-point clamp for loading and unloading forgings provided by the present invention has the following beneficial effects:

[0013] 1. The present invention holds the handle by hand and then presses the control switch with fingers. The control switch controls the reciprocating motion of the oil hydraulic cylinder, thereby causing the lower end of the clamping plate to move relatively, thereby cooperating with the cantilever crane to realize up and down motion to the front axle forging of the automobile. Then the clamping plate clamps the front axle forging of the automobile to restrict it, and then controls the cantilever crane to lift the front axle forging of the automobile, and then performs horizontal displacement, so as to realize the function of taking off the front axle forging of the automobile on the drying production line and then moving it to another place for stacking, thereby saving manpower and being safer;

[0014] 2. The present invention fixes a lifting ring connected to the cantilever crane on the movable sleeve, so that the connection is convenient, stable and simple; the movable sleeve is threadedly connected to the first fastener corresponding to the opening of the center frame, and the position of the movable sleeve on the center frame can be adjusted by rotating the first fastener to make it contact with the center frame, and it can also be fixed at the same time, so that the center of gravity position can be adjusted according to the different lengths of the automobile front axle forgings, so that after clamping the forgings, it can be stably moved horizontally and up and down. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The specific embodiments of the present invention are further described in detail below in conjunction with the accompanying drawings;

[0016] Figure 1 It is a schematic diagram of the first axonometric structure of a double-clamping point clamp for loading and unloading forgings;

[0017] Figure 2 It is a schematic diagram of the second axonometric structure of a double-clamping point fixture for loading and unloading forgings;

[0018] Figure 3 It is a schematic diagram of the third axonometric structure of a double-clamping point fixture for loading and unloading forgings;

[0019] Figure 4 It is a schematic diagram of the structure of the automobile front axle forging in the prior art.

[0020] Explanation of the numbers in the figure: 1. Center frame; 2. Movable sleeve; 3. Lifting ring; 4. First fastener; 5. Movable clamping plate; 6. Second fastener; 7. First load-bearing protrusion; 8. First buffer pad; 9. Limiting groove; 10. Limiting shaft; 11. Clamping plate; 12. Side plate; 13. Movable block; 14. Hydraulic cylinder; 15. Second load-bearing protrusion; 16. Second buffer pad; 17. Handle; 18. Control switch. DETAILED DESCRIPTION

[0021] It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not used to limit the present invention.

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0023] It should be noted that all directional indications in the embodiments of the present invention (such as up-down-left-right-front-back...) are only used to explain the relative position relationship - movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly. The connection can be a direct connection or an indirect connection.

[0024] See also Figure 1-4As shown, a double-clamping point clamp for loading and unloading forgings comprises a center frame 1 connected to a cantilever crane; a limit slot 9 is provided at one end of the center frame 1; a limit shaft 10 is symmetrically inserted in the limit slot 9; a clamping plate 11 for clamping a front axle forging of an automobile is sleeved on the limit shaft 10; a second load-bearing protrusion 15 is provided at the lower end of the clamping plate 11, and two symmetrical second load-bearing protrusions 15 are in contact with and support the recessed part of the front axle forging of the automobile, so as to limit the downward displacement of the front axle forging of the automobile, thereby being able to move the front axle forging of the automobile horizontally and up and down; the upper end of the clamping plate 11 is symmetrically rotatably connected to side plates 12; movable blocks 13 are rotatably connected between the side plates 12; the movable blocks 13 are A hydraulic cylinder 14 is fixedly connected between the center frame 1; a handle 17 is fixedly connected to the other end of the center frame 1; a control switch 18 is arranged in the handle 17, and the handle 17 is held by the palm of the hand and then the control switch 18 is pressed by the finger, and the control switch 18 controls the reciprocating motion of the hydraulic cylinder 14, thereby bringing the lower end of the clamping plate 11 to move relative to each other, so as to cooperate with the cantilever crane to realize up and down movement to the front axle forging of the automobile, and then the clamping plate 11 clamps the front axle forging of the automobile to limit it, and then the cantilever crane is controlled to lift the front axle forging of the automobile, and then horizontally displace it, so as to realize the function of removing the front axle forging of the automobile on the drying production line and then moving it to another place for stacking, thereby saving manpower and being safer.

[0025] The other end of the center frame 1 is sleeved with a movable clamping plate 5; the lower end of the movable clamping plate 5 is symmetrically provided with first load-bearing protrusions 7, and the two symmetrical first load-bearing protrusions 7 are clamped in the recessed part of the automobile front axle forging, so as to clamp one end of the automobile front axle forging, thereby maintaining horizontal stability when the automobile front axle forging is horizontally transported.

[0026] The movable pallet 5 is threadedly connected to the opening corresponding to the center frame 1. The second fastener 6 is rotated to make it contact with the center frame 1 for fixed connection, so that the position of the movable pallet 5 on the center frame 1 can be adjusted to meet the transportation requirements of automobile front axle forgings of different lengths.

[0027] A movable sleeve 2 is sleeved on the center frame 1; a lifting ring 3 connected to the cantilever crane is fixedly connected to the movable sleeve 2, making the connection convenient, stable and simple; the movable sleeve 2 is threadedly connected to a first fastener 4 corresponding to the opening of the center frame 1, and the position of the movable sleeve 2 on the center frame 1 can be adjusted by rotating the first fastener 4 to make it contact with the center frame 1, and it can also be fixed at the same time, so that the center of gravity position can be adjusted according to the different lengths of the automobile front axle forgings, so that after clamping the forgings, it can be stably moved horizontally and up and down.

[0028] The center frame 1 is made of rectangular tubes, so that the structure has high strength and is light, can bear the weight of the forgings without deformation, and is easy to process and manufacture.

[0029] A first buffer pad 8 is fixedly connected to the first load-bearing protrusion 7. The first buffer pad 8 made of PU is located between the automobile front axle forging and the first load-bearing protrusion 7 for isolation and buffering, so as not to cause wear to the surface of the automobile front axle forging.

[0030] A second buffer pad 16 is fixedly connected to the second load-bearing protrusion 15. The second buffer pad 16 made of PU is located between the automobile front axle forging and the second load-bearing protrusion 15 for isolation and buffering, so as not to cause wear on the surface of the automobile front axle forging.

[0031] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0032] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements all fall within the scope of the present invention to be protected.

Claims

1. A double-clamping-point clamp for loading and unloading forgings, characterized in that; The invention comprises a center frame (1) connected to a cantilever crane; a limit slot (9) is provided at one end of the center frame (1); a limit shaft (10) is symmetrically inserted in the limit slot (9); a clamping plate (11) is sleeved on the limit shaft (10); a second load-bearing protrusion (15) is provided at the lower end of the clamping plate (11); a side plate (12) is symmetrically rotatably connected to the upper end of the clamping plate (11); movable blocks (13) are rotatably connected between the side plates (12); a hydraulic cylinder (14) is fixedly connected between the movable blocks (13); a handle (17) is fixedly connected to the other end of the center frame (1); a control switch (18) is provided in the handle (17).

2. The double-clamping-point fixture for loading and unloading forgings according to claim 1 is characterized in that: The other end of the central frame (1) is sleeved with a movable clamping plate (5); the lower end of the movable clamping plate (5) is symmetrically provided with a first load-bearing protrusion (7).

3. The double-clamping-point fixture for loading and unloading forgings according to claim 2 is characterized in that: A second fastener (6) is threadedly connected to an opening on the movable clamping plate (5) corresponding to the central frame (1).

4. The double-clamping-point fixture for loading and unloading forgings according to claim 1 is characterized in that: A movable sleeve (2) is sleeved on the central frame (1); a lifting ring (3) is fixedly connected to the movable sleeve (2); and a first fastener (4) is threadedly connected to the opening of the movable sleeve (2) corresponding to the central frame (1).

5. The double-clamping-point fixture for loading and unloading forgings according to claim 4 is characterized in that: The center frame (1) is made of a rectangular tube.

6. The double-clamping-point fixture for loading and unloading forgings according to claim 2 is characterized in that: A first buffer pad (8) is fixedly connected to the first load-bearing protrusion (7).

7. The double-clamping-point fixture for loading and unloading forgings according to claim 1 is characterized in that: A second buffer pad (16) is fixedly connected to the second load-bearing protrusion (15).

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