Clamping jaw device for taking and placing cold coil spring

Abstract

The utility model provides a clamping jaw device for taking and placing a cold coil spring. The clamping jaw device comprises a driving mechanism, a push rod structure, a transmission mechanism, two fixing plates and two spring clamping plates. The output end of the driving mechanism is connected with the push rod structure, one end of the transmission mechanism is connected with the push rod structure, the other end of the transmission mechanism is provided with two spring clamping plates, the two spring clamping plates are symmetrically arranged left and right, and the clamping end of each spring clamping plate is provided with a bent edge capable of being matched with a cold coil spring. According to the clamping jaw device for taking and placing the cold coil spring, the problem that the manual carrying efficiency is low due to the fact that mechanical equipment for carrying the cold coil spring is lacked in the related technology is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of cold coiled spring transportation, and particularly relates to a jaw device for picking and placing cold coiled springs. Background Art

[0002] A cold coiled spring is a spring manufactured through a cold working process. Different from a hot coiled spring, a cold coiled spring does not need to be heated during the manufacturing process, so it can maintain the original properties and strength of the material. Cold coiled springs are widely used in fields such as automobiles, electronic devices, and mechanical equipment, mainly for functions such as shock absorption, buffering, and energy storage. Cold coiled springs are relatively heavy, and manual handling is likely to cause strain and fatigue to the staff. Due to the lack of mechanical equipment for handling cold coiled springs in the related art, the problem of low manual handling efficiency occurs, especially on production lines that require frequent handling, which will affect the overall production efficiency. Summary of the Invention

[0003] In view of this, the utility model aims to solve at least one of the related technical problems to some extent.

[0004] To achieve the above object, the technical solution of the utility model is realized as follows:

[0005] A jaw device for picking and placing cold coiled springs includes a driving mechanism, a push rod structure, a transmission mechanism, two fixing plates, and two spring clamping plates;

[0006] The output end of the driving mechanism is connected to the push rod structure, one end of the transmission mechanism is connected to the push rod structure, the other end of the transmission mechanism is provided with two spring clamping plates, the two spring clamping plates are symmetrically arranged left and right, and the clamping end of the spring clamping plate is provided with a bent edge capable of cooperating with a cold coiled spring;

[0007] The two fixing plates are symmetrically arranged on the upper and lower sides of the transmission mechanism, the transmission mechanism is rotatably connected to the two fixing plates, and the end of each fixing plate is connected to the driving mechanism;

[0008] The transmission mechanism includes a connecting rod structure and two jaw structures, the push rod structure is connected to the two jaw structures through the connecting rod structure, the two jaw structures are symmetrically arranged left and right, each jaw structure is correspondingly connected to one spring clamping plate, and the push rod structure realizes the opening and closing of the two spring clamping plates by pushing or contracting.

[0009] Further, the jaw structure includes a positioning structure, a connecting block, and two clamping jaws. The two clamping jaws are symmetrically arranged up and down. One end of each of the two clamping jaws is connected to the outer end face of the spring clamping plate through the connecting block. The other end of each of the two clamping jaws is rotatably connected to the positioning structure and the connecting rod structure. The positioning structure is rotatably connected to the two fixing plates.

[0010] Further, each clamping jaw includes a cross bar and a clamping rod. The clamping rod is arranged at the end of the cross bar. The clamping rod is connected to the connecting block. One end of the cross bar is rotatably connected to the positioning structure. The other end of the cross bar is hinged to the connecting rod structure through a connecting plate.

[0011] Further, the positioning structure includes a positioning rotating rod and two first snap rings. The positioning rotating rod is rotatably connected to the two clamping jaws. The upper and lower ends of the positioning rotating rod are respectively connected to one of the fixing plates through a first snap ring.

[0012] Further, the connecting rod structure includes two transmission connecting rods and two hinge rods. One end of each of the two transmission connecting rods is hinged to the push rod structure. The other end of each of the two transmission connecting rods is hinged to one of the connecting plates through one of the hinge rods.

[0013] Further, the jaw device further includes a guiding structure. The guiding structure includes two push rod structures. The two push rod structures are symmetrically arranged about the center. The push rod structure includes a guiding push rod and a linear bearing. The linear bearing is connected to the driving mechanism. The end of the guiding push rod is connected to the push rod structure. The guiding push rod is slidably matched with the linear bearing.

[0014] Further, the driving mechanism includes a fixed frame and a pushing cylinder. The pushing cylinder is arranged inside the fixed frame. The output end of the pushing cylinder penetrates through the fixed frame. The linear bearing is connected to the inner end face of the fixed frame.

[0015] Further, the push rod structure includes a push plate structure, a driving push rod, and two second snap rings. The cross section of the push plate structure is C-shaped. The middle part of the push plate structure is connected to the output end of the driving mechanism. The upper and lower ends of the push plate structure are respectively connected to the driving push rod through a second snap ring. The middle part of the driving push rod is hinged to the two transmission connecting rods.

[0016] Further, an anti-slip rubber pad is provided on the inner end face of the spring clamping plate.

[0017] Further, a spiral groove capable of cooperating with a cold coil spring is provided on the inner end face of the spring clamping plate.

[0018] Compared with the prior art, the jaw device for picking and placing cold coiled springs of the present utility model has the following advantages:

[0019] 1. The push rod structure drives the jaw structure through the transmission link structure, enabling the two spring clamping plates to open and close quickly, realizing efficient picking and placing operations. The design of the transmission mechanism ensures the coherence and coordination of the actions, greatly improving the working efficiency of the device. The transmission mechanism is rotationally connected to the positioning structure and the fixed plate, ensuring the stability of the entire device. During operation, it can effectively reduce vibration and shaking, ensuring the smoothness and reliability of the operation.

[0020] 2. The bent edges of the spring clamping plates can closely cooperate with the cold coiled springs, effectively improving the clamping firmness and preventing the springs from sliding or falling off during handling. The inner end face of the spring clamping plates is provided with anti-slip rubber pads or spiral grooves, and the anti-slip design can increase the friction force, ensuring that the springs do not slide during clamping, thereby improving the safety and reliability of the operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The drawings constituting a part of the present utility model are used to provide a further understanding of the present utility model. The schematic embodiments of the present utility model and their descriptions are used to explain the present utility model and do not constitute an improper limitation of the present utility model. In the drawings:

[0022] Figure 1 is a schematic diagram of a jaw device for picking and placing cold coiled springs according to an embodiment of the present utility model;

[0023] Figure 2 is a schematic diagram of the structure of the transmission mechanism according to an embodiment of the present utility model;

[0024] Figure 3 is a schematic diagram of the jaw structure according to an embodiment of the present utility model;

[0025] Figure 4 is a schematic diagram of the clamping jaw structure according to an embodiment of the present utility model;

[0026] Figure 5 is a schematic diagram of the guiding structure according to an embodiment of the present utility model.

[0027] DESCRIPTION OF THE REFERENCE NUMERALS:

[0028] 101, fixed frame; 201, driving cylinder; 202, push rod structure; 301, fixed plate; 401, positioning structure; 501, spring clamping plate; 601, cold coiled spring; 701, clamping jaw; 7011, connecting plate; 702, transmission link; 703, articulated rod; 704, connecting block; 801, guiding push rod; 802, linear bearing. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0029] It should be noted that, without conflict, the embodiments in the present utility model and the features in the embodiments can be combined with each other.

[0030] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation to the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first", "second", etc. may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more.

[0031] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and defined, the terms "mounted", "connected", "coupled" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood through specific situations.

[0032] The present utility model will be described in detail below with reference to the drawings and in conjunction with the embodiments.

[0033] A jaw device for picking and placing cold coiled springs, as Figure 1 shown, includes a driving mechanism, a push rod structure 202, a transmission mechanism, two fixing plates 301 and two spring clamping plates 501; the output end of the driving mechanism is connected to the push rod structure 202, one end of the transmission mechanism is connected to the push rod structure 202, the other end of the transmission mechanism is provided with two spring clamping plates 501, the two spring clamping plates 501 are symmetrically arranged left and right, and the clamping end of the spring clamping plate 501 is provided with a bent edge capable of cooperating with the cold coiled spring 601. The bent edge of the spring clamping plate 501 can closely cooperate with the cold coiled spring 601, effectively improving the firmness of clamping and preventing the spring from sliding or falling off during handling. The inner end face of the spring clamping plate 501 is provided with an anti-slip rubber pad or a spiral groove. In this embodiment, the inner end face of the spring clamping plate 501 is provided with an anti-slip rubber pad, and the anti-slip design can increase the friction force, ensuring that the spring does not slide during clamping, thereby improving the safety and reliability of the operation.

[0034] Two fixed plates 301 are symmetrically arranged on the upper and lower sides of the transmission mechanism. The transmission mechanism is rotatably connected to the two fixed plates 301, and the end of each fixed plate 301 is connected to the driving mechanism; the driving mechanism includes a fixed frame 101 and a pushing cylinder. The pushing cylinder is arranged inside the fixed frame 101. The output end of the pushing cylinder penetrates the fixed frame 101, and a linear bearing 802 is connected to the inner end face of the fixed frame 101. The fixed plate 301 is connected to the fixed frame 101. The jaw device further includes a guiding structure, which includes two push rod structures 202. The two push rod structures 202 are centrosymmetrically arranged. The push rod structure 202 includes a guiding push rod 801 and a linear bearing 802. The linear bearing 802 is connected to the driving mechanism. The end of the guiding push rod 801 is connected to the push rod structure 202. The guiding push rod 801 is slidably matched with the linear bearing 802. The centrosymmetric arrangement of the two push rod structures 202 can, on the premise of ensuring the guiding function, also avoid the jamming problem caused by too many guiding structures.

[0035] As Figure 2 shown, the transmission mechanism includes a connecting rod structure and two jaw structures. The push rod structure 202 is connected to the two jaw structures through the connecting rod structure. The two jaw structures are symmetrically arranged left and right. Each jaw structure is correspondingly connected to a spring clamping plate 501. The push rod structure 202 realizes the opening and closing of the two spring clamping plates 501 by pushing or contracting. As Figure 3 shown, the jaw structure includes a positioning structure 401, a connecting block 704, and two clamping jaws 701. The two clamping jaws 701 are symmetrically arranged up and down. One end of the two clamping jaws 701 is connected to the outer end face of the spring clamping plate 501 through the connecting block 704. The other end of the two clamping jaws 701 is rotatably connected to the positioning structure 401 and the connecting rod structure. The positioning structure 401 is rotatably connected to the two fixed plates 301. The push rod structure 202 drives the jaw structure through the transmission connecting rod 702 structure, so that the two spring clamping plates 501 can be quickly opened and closed, realizing efficient clamping and placing actions. The design of the transmission mechanism ensures the coherence and coordination of the actions, greatly improving the working efficiency of the device. The transmission mechanism is rotatably connected to the positioning structure 401 and the fixed plate 301, ensuring the stability of the entire device. During operation, it can effectively reduce vibration and shaking, ensuring the smoothness and reliability of the operation.

[0036] As Figure 4As shown, the clamping jaw 701 includes a cross bar and clamping rods. The clamping rods are arranged at the ends of the cross bar. The clamping rods are connected to the connecting block 704. One end of the cross bar is rotatably connected to the positioning structure 401, and the other end of the cross bar is hinged to the link structure through the connecting plate 7011. The positioning structure 401 includes a positioning rotating rod and two first circlips. The positioning rotating rod is rotatably connected to the two clamping jaws 701. Both the upper and lower ends of the positioning rotating rod are respectively connected to a fixing plate 301 through a first circlip.

[0037] The link structure includes two transmission link rods 702 and two hinge rods 703. One end of each of the two transmission link rods 702 is hinged to the push rod structure 202, and the other end of each of the two transmission link rods 702 is hinged to a connecting plate 7011 through a hinge rod 703.

[0038] The push rod structure 202 includes a push plate structure, a driving push rod and two second circlips. The cross section of the push plate structure is C-shaped. The middle of the push plate structure is connected to the output end of the driving mechanism. Both the upper and lower ends of the push plate structure are connected to the driving push rod through a second circlip. The middle of the driving push rod is hinged to the two transmission link rods 702.

[0039] The working mode of this example

[0040] Step 1: The rod of the driving cylinder 201 extends to push the push rod structure 202 to transfer the force to the link structure. The link structure drives the jaw structure through rotation, and then the two spring clamping plates 501 are opened.

[0041] Step 2: The 6-axis robot drives the jaw device to move to the material taking position. The rod of the driving cylinder 201 retracts to transfer the force to the link structure. The link structure drives the jaw structure through rotation, and then the two spring clamping plates 501 are closed to clamp and grab the cold coil spring 601. Then, the 6-axis robot drives the jaw device to the material discharging position and repeats Step 1 to put down the cold coil spring 601.

[0042] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A clamping device for picking up and placing cold-rolled springs, characterized in that: It comprises a driving mechanism, a push rod structure (202), a transmission mechanism, two fixing plates (301) and two spring clamping plates (501); The output end of the driving mechanism is connected to the push rod structure (202), one end of the transmission mechanism is connected to the push rod structure (202), and the other end of the transmission mechanism is provided with two spring clamping plates (501), the two spring clamping plates (501) are symmetrically arranged, and the clamping ends of the spring clamping plates (501) are provided with curved edges that can cooperate with the cold-rolled spring (601); The two fixing plates (301) are symmetrically arranged on the upper and lower sides of the transmission mechanism, the transmission mechanism is rotatably connected to the two fixing plates (301), and the end of each fixing plate (301) is connected to the driving mechanism; The transmission mechanism comprises a connecting rod structure and two clamping jaw structures. The push rod structure (202) is connected to the two clamping jaw structures via the connecting rod structure. The two clamping jaw structures are arranged symmetrically on the left and right. Each of the clamping jaw structures is connected to a corresponding spring clamping plate (501). The push rod structure (202) realizes the opening and closing of the two spring clamping plates (501) by pushing or contracting.

2. A clamping device for taking and placing cold-rolled springs according to claim 1, characterized in that: The clamping jaw structure comprises a positioning structure (401), a connecting block (704) and two clamping jaws (701); the two clamping jaws (701) are symmetrically arranged up and down; one end of the two clamping jaws (701) is connected to the outer end surface of the spring clamping plate (501) through the connecting block (704); the other end of the two clamping jaws (701) is rotatably connected to the positioning structure (401) and the connecting rod structure; and the positioning structure (401) is rotatably connected to the two fixing plates (301).

3. A clamping device for taking and placing cold-rolled springs according to claim 2, characterized in that: The clamping claw (701) comprises a cross bar and a clamping rod, wherein the clamping rod is arranged at the end of the cross bar and connected to the connecting block (704). One end of the cross bar is rotatably connected to the positioning structure (401), and the other end of the cross bar is hinged to the connecting rod structure via a connecting plate (7011).

4. A clamping device for taking and placing cold-rolled springs according to claim 3, characterized in that: The positioning structure (401) comprises a positioning rotating rod and two first clamping springs. The positioning rotating rod is rotationally connected to the two clamping claws (701). The upper and lower ends of the positioning rotating rod are connected to a corresponding fixing plate (301) via a first clamping spring.

5. A clamping device for taking and placing cold-rolled springs according to claim 3, characterized in that: The connecting rod structure comprises two transmission connecting rods (702) and two hinged rods (703), one end of each of the two transmission connecting rods (702) is hinged to the push rod structure (202), and the other end of each of the two transmission connecting rods (702) is hinged to a connecting plate (7011) via a hinged rod (703).

6. A clamping device for taking and placing a cold-rolled spring according to any one of claims 1 to 5, characterized in that: The clamping device also includes a guiding structure, which includes two push rod structures (202). The two push rod structures (202) are centrally symmetrically arranged. The push rod structure (202) includes a guiding push rod (801) and a linear bearing (802). The linear bearing (802) is connected to the driving mechanism. The end of the guiding push rod (801) is connected to the push rod structure (202), and the guiding push rod (801) is slidably matched with the linear bearing (802).

7. A clamping device for taking and placing cold-rolled springs according to claim 6, characterized in that: The driving mechanism comprises a fixed frame (101) and a pushing cylinder, wherein the pushing cylinder is arranged on the inner side of the fixed frame (101), the output end of the pushing cylinder passes through the fixed frame (101), and the linear bearing (802) is connected to the inner end surface of the fixed frame (101).

8. A clamping device for taking and placing cold-rolled springs according to claim 5, characterized in that: The push rod structure (202) includes a push plate structure, a driving push rod and two second retaining springs. The cross-section of the push plate structure is C-shaped. The middle part of the push plate structure is connected to the output end of the driving mechanism. The upper and lower ends of the push plate structure are connected to the driving push rod through one of the second retaining springs. The middle part of the driving push rod is hinged to the two transmission connecting rods (702).

9. A clamping device for taking and placing cold-rolled springs according to claim 6, characterized in that: The inner end surface of the spring clamping plate (501) is provided with an anti-slip rubber pad.

10. A clamping device for taking and placing cold-rolled springs according to claim 6, characterized in that: The inner end surface of the spring clamping plate (501) is provided with a spiral groove capable of cooperating with the cold-rolled spring (601).

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