Elastic positioning assembly

Abstract

The application discloses an elastic positioning assembly, which comprises a vertically-installed motor, a clamping jaw base driven to rotate by the motor, and a clamping assembly installed on the clamping jaw base; the clamping jaw base is provided with a positioning groove I and a positioning groove II; the clamping assembly comprises an electromagnet arranged in the positioning groove I, clamping jaw opening and closing blocks symmetrically arranged in the positioning groove II, a guide rod vertically arranged on the upper side of the clamping jaw opening and closing blocks, and a clamping jaw plate arranged on the upper surface of the clamping jaw base; a spring I is arranged between the two clamping jaw opening and closing blocks; the inner side of the clamping jaw plate is provided with a hollow groove, a spring II is horizontally and symmetrically arranged in the hollow groove, and clamping jaws are respectively arranged at the extension ends of the spring II and opposite to each other; a driving hole corresponding to the guide rod is further arranged on the clamping jaw plate, so that the clamping jaws are driven to relatively approach or separate by the guide rod. The application is easy to mass-produce, only needs a set of driving motor matched with the electromagnet, and can effectively rotate and position electronic components, thereby effectively reducing the manufacturing and assembling and maintenance costs.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of semiconductor testing equipment, in particular to an elastic positioning assembly. BACKGROUND

[0002] After the production of IC components, they need to be tested by multiple different performance testing procedures to test whether they are qualified, and then be packaged and rolled into a reel for subsequent transportation, storage and use. IC component testing and packaging usually adopts a rotary table type testing and packaging integrated machine, that is, IC components are sucked by a plurality of suction nozzles on the rotary table with air pressure suction and different station procedures are tested, including polarity test, turning positioning, performance test, visual inspection (2D, 3D, 5S), printing, turning, etc. Unqualified products are classified and recycled, and qualified products finally enter the packaging.

[0003] In the prior art, such as patent CN101002521A, in order to realize the positioning and rotation of IC components, two or more motors are usually used to drive the clamping and rotation functions respectively, so that the structure is relatively complex. In addition, since the volume of IC components is usually small and easy to be damaged, if the mechanical clamping force based on the motor has a large deviation, it is easy to cause the clamping force to be insufficient, resulting in the IC components falling off during the testing process or the clamping force being too large, causing the product to be damaged, etc. In addition, since the IC components have high testing accuracy requirements, the conventional mechanical clamping positioning method is easy to cause positioning accuracy deviation, thereby causing the IC component testing result to be inaccurate. SUMMARY

[0004] To solve the above technical problems, the present application provides an elastic positioning assembly, which comprises a support assembly, a motor vertically installed on the support assembly, a clamping jaw seat driven to rotate by a rotating shaft of the motor, and a clamping assembly installed on the clamping jaw seat.

[0005] The clamping jaw seat is provided with a positioning groove one, and a positioning groove two symmetrically provided on both sides of the positioning groove one.

[0006] The clamping assembly comprises an electromagnet arranged in the positioning groove one, and clamping jaw opening and closing blocks symmetrically and oppositely arranged in the positioning groove two to realize sliding close under the energized state of the electromagnet. Spring one is arranged between the two clamping jaw opening and closing blocks to drive the clamping jaw opening and closing blocks to reset under the de-energized state of the electromagnet. The clamping assembly further comprises guide rods vertically arranged on the upper sides of the clamping jaw opening and closing blocks, and a clamping jaw plate arranged on the upper surface of the clamping jaw seat.

[0007] The inner side of the clamping jaw plate is provided with a hollow groove, a spring two is horizontally arranged in the hollow groove, and clamping jaws are respectively arranged at the extension ends of the spring two and opposite to each other, the two clamping jaws are respectively provided with a position avoiding groove, and a workpiece clamping position is formed between the position avoiding grooves of the two clamping jaws; a driving hole corresponding to the guide rod is further arranged on the clamping jaw plate, so that the clamping jaws are driven to be relatively close or separated through the guide rod.

[0008] Further, a limiting mechanism is further included; the limiting mechanism includes a shaft hole one horizontally arranged on the clamping jaw base and coaxial with the spring one, a shaft hole two arranged on the clamping jaw opening and closing block and coaxial with the spring one, and a shaft rod penetrating the shaft hole one, the spring one and the shaft hole two, so as to prevent the electromagnet and the clamping jaw opening and closing block from falling off from the clamping jaw base.

[0009] Further, a clamping jaw bottom plate is further included, the clamping jaw bottom plate is installed on the clamping jaw base and located on the upper side of the clamping jaw opening and closing block, the clamping jaw plate is installed on the clamping jaw bottom plate to realize stable installation of the clamping jaw plate, and a sliding hole one corresponding to the guide rod is arranged on the clamping jaw bottom plate.

[0010] Further, an upper cover plate is further included, the upper cover plate covers the upper side of the clamping jaw plate, a taking and placing hole corresponding to the clamping jaw and the workpiece clamping position is arranged in the middle of the upper cover plate, and a sliding hole two corresponding to the guide rod is arranged on the upper cover plate.

[0011] Further, a sliding ring is further included, the sliding ring is installed on the support assembly, a sliding cover is installed on the upper side of the sliding ring through a ball, and a mounting hole is arranged in the axial middle part of the sliding ring and the sliding cover;

[0012] The bottom of the clamping jaw base is provided with a sliding table corresponding to the mounting hole, the clamping jaw base is installed on the sliding cover and the sliding table is rotationally arranged in the mounting hole, and the rotating shaft of the motor is axially connected with the sliding table.

[0013] The support assembly includes a support plate arranged vertically, and a mounting plate installed horizontally on the upper end of the support plate.

[0014] The motor is installed on the lower side of the mounting plate and located on one side of the support plate, and the clamping jaw base is installed on the upper side of the mounting plate and coaxially arranged with the motor.

[0015] Through the above technical scheme, the elastic positioning assembly provided by the application has the advantages of few components, low cost, easy processing, easy mass production, and only one set of driving motor and electromagnet are needed to effectively rotate and center the electronic components, the positioning mechanism and the elastic device are combined to effectively reduce the manufacturing, assembly and maintenance costs of the device. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced.

[0017] Figure 1 A perspective exploded view of the elastic positioning assembly disclosed in the embodiments of the present application;

[0018] Figure 2 A structure schematic diagram of the clamping jaw plate disclosed in the embodiments of the present application;

[0019] Figure 3 A top view structure schematic diagram of the elastic positioning assembly disclosed in the embodiments of the present application;

[0020] Figure 4 A structure schematic diagram of the elastic positioning assembly disclosed in the embodiments of the present application; Figure 3 A structure schematic diagram of the elastic positioning assembly disclosed in the embodiments of the present application;

[0021] Figure 5 A structure schematic diagram of the elastic positioning assembly disclosed in the embodiments of the present application; Figure 3 A structure schematic diagram of the elastic positioning assembly disclosed in the embodiments of the present application.

[0022] In the drawings: 11. support plate; 12. mounting plate; 13. motor; 131. rotating shaft; 14. slip ring; 141. mounting hole; 142. slip cover; 15. clamping jaw seat; 151. positioning groove one; 152. positioning groove two; 153. shaft hole one; 154. sliding table; 16. electromagnet; 17. clamping jaw opening and closing block; 171. shaft hole two; 172. spring one; 173. guide rod; 18. shaft rod; 19. clamping jaw bottom plate; 191. sliding hole one; 20. clamping jaw plate; 201. spring two; 202. clamping jaw; 203. position avoiding groove; 21. upper cover plate; 211. sliding hole two; 212. taking and placing hole. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings of the embodiments of the present application.

[0024] With reference to Figures 1-5 , the elastic positioning assembly provided by the embodiments of the present application comprises a support assembly, a motor 13 vertically installed on the support assembly, a clamping jaw seat 15 rotated by a rotating shaft 131 of the motor 13, and a clamping assembly installed on the clamping jaw seat 15; the clamping jaw seat 15 is provided with a positioning groove one 151, and a positioning groove two 152 symmetrically provided on both sides of the positioning groove one 151;

[0025] The support assembly comprises a support plate 11 vertically arranged, and a mounting plate 12 horizontally installed on the upper end of the support plate 11; the motor 13 is installed on the lower side of the mounting plate 12 and located at one side of the support plate 11, and the clamping jaw seat 15 is installed on the upper side of the mounting plate 12 and coaxially arranged with the motor 13;

[0026] A sliding ring 14 is also mounted on the upper side of the mounting plate 12, the upper side of the sliding ring 14 is mounted with a sliding cover 142 through balls, and the axial middle part of the sliding ring 14 and the sliding cover 142 is provided with a mounting hole 141; the bottom of the clamping jaw base 15 is provided with a sliding table 154 corresponding to the mounting hole 141, the clamping jaw base 15 is mounted on the sliding cover 142 and the sliding table 154 is rotationally arranged in the mounting hole 141, and the rotating shaft 131 of the motor 13 is axially connected with the sliding table 154;

[0027] The clamping assembly includes an electromagnet 16 arranged in the positioning groove one 151, and clamping jaw opening and closing blocks 17 symmetrically arranged in the positioning groove two 152 to realize sliding close under the energized state of the electromagnet 16, and spring one 172 arranged between the two clamping jaw opening and closing blocks 17 to drive the clamping jaw opening and closing blocks 17 to reset under the de-energized state of the electromagnet 16; the clamping assembly further includes guide rods 173 vertically arranged on the upper side of the clamping jaw opening and closing blocks 17, and a clamping jaw plate 20 arranged on the upper surface of the clamping jaw base 15;

[0028] The inner side of the clamping jaw plate 20 is provided with a hollow groove, the hollow groove is horizontally and symmetrically provided with spring two 201, and the clamping jaws 202 are respectively arranged at the extension ends of the spring two 201 and opposite to each other, the two clamping jaws 202 are respectively provided with avoiding grooves 203, and the avoiding grooves 203 between the two clamping jaws 202 form a workpiece clamping position; the clamping jaw plate 20 is also provided with a driving hole corresponding to the guide rod 173, so as to drive the clamping jaws 202 to relatively close or separate through the guide rod 173.

[0029] Among them, the clamping jaw plate 20 can be integrally formed by etching, so as to effectively achieve mass production and effectively reduce production cost.

[0030] In specific embodiments, the clamping jaw base 15 is also provided with a clamping jaw bottom plate 19 for supporting the IC element placed in the clamping jaw plate 20, the clamping jaw bottom plate 19 is mounted on the clamping jaw base 15 and located on the upper side of the clamping jaw opening and closing blocks 17, the clamping jaw plate 20 is mounted on the clamping jaw bottom plate 19 to realize stable mounting of the clamping jaw plate 20, and the clamping jaw bottom plate 19 is provided with a sliding hole one 191 corresponding to the guide rod 173.

[0031] In specific embodiments, the clamping jaw base 15 is also provided with a clamping jaw bottom plate 19 for supporting the IC element placed in the clamping jaw plate 20, the clamping jaw bottom plate 19 is mounted on the clamping jaw base 15 and located on the upper side of the clamping jaw opening and closing blocks 17, the clamping jaw plate 20 is mounted on the clamping jaw bottom plate 19 to realize stable mounting of the clamping jaw plate 20, and the clamping jaw bottom plate 19 is provided with a sliding hole one 191 corresponding to the guide rod 173.

[0032] Specific embodiments also include a limiting mechanism; the limiting mechanism includes a shaft hole one 153 horizontally opened on the jaw seat 15 and coaxial with the spring one 172, a shaft hole two 171 opened on the jaw opening and closing block 17 and coaxial with the spring one 172, and a shaft rod 18 penetrating the shaft hole one 153, the spring one 172 and the shaft hole two 171, so as to prevent the electromagnet 16 and the jaw opening and closing block 17 from falling off the jaw seat 15.

[0033] The working principle of the embodiment is as follows:

[0034] First, the spring one 172 resets and drives the jaw opening and closing block 17 to reset in the de-energized state of the electromagnet 16, and then the jaw 202 is driven to separate through the guide rod 173;

[0035] Then, the suction nozzle places the IC element sucked from other stations in the workpiece clamping position formed between the two side jaws 202 through the taking and placing hole 212 of the upper cover plate 21, and the IC element placed in the jaw plate 20 is supported by the jaw bottom plate 19;

[0036] Then, the electromagnet 16 is energized, and the two side jaw opening and closing blocks 17 slide close in the energized state of the electromagnet 16, and then the jaw 202 is driven to relatively close through the guide rod 173 to clamp and position the IC element in the workpiece clamping position;

[0037] Then, the motor 13 is started to rotate, and then the jaw seat 15 is rotated based on the sliding cover 142 on the upper side of the slip ring 14 through the rotating shaft 131 of the motor 13, so as to drive the IC element clamped and positioned in the jaw plate 20 to rotate to a specified test angle to complete the corresponding test work;

[0038] Finally, the electromagnet 16 is de-energized, the spring one 172 resets and drives the jaw opening and closing block 17 to reset, and then the jaw 202 is driven to separate through the guide rod 173, so that the IC element in the jaw plate 20 can be sucked and transferred to the subsequent station through the suction nozzle.

[0039] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present application. Various modifications to the above-described embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An elastic positioning assembly, characterized by, It comprises a support assembly, a motor (13) vertically installed on the support assembly, a jaw base (15) rotated by a rotating shaft (131) of the motor (13), and a clamping assembly installed on the jaw base (15); The jaw base (15) is provided with a positioning groove I (151), and a positioning groove II (152) symmetrically provided on both sides of the positioning groove I (151); The clamping assembly comprises an electromagnet (16) arranged in the positioning groove I (151), and jaw opening and closing blocks (17) symmetrically and oppositely arranged in the positioning groove II (152) to realize sliding close under the energized state of the electromagnet (16), and spring I (172) arranged between the two jaw opening and closing blocks (17) to drive the jaw opening and closing blocks (17) to reset under the de-energized state of the electromagnet (16); the clamping assembly further comprises guide rods (173) vertically arranged on the upper sides of the jaw opening and closing blocks (17), and a jaw plate (20) arranged on the upper surface of the jaw base (15); The inner side of the jaw plate (20) is provided with a hollow groove, the hollow groove is horizontally and symmetrically provided with spring II (201), and the jaw (202) is arranged at the extension end of the spring II (201) and opposite to each other, the two sides of the jaw (202) are respectively provided with an avoidance groove (203), and the avoidance grooves (203) between the two sides of the jaw (202) form a workpiece clamping position; the jaw plate (20) is further provided with a driving hole corresponding to the guide rod (173), so as to drive the jaws (202) to relatively close or separate through the guide rod (173); It further comprises a limiting mechanism; the limiting mechanism comprises a shaft hole I (153) horizontally arranged on the jaw base (15) and coaxial with the spring I (172), a shaft hole II (171) arranged on the jaw opening and closing block (17) and coaxial with the spring I (172), and a shaft rod (18) penetrating the shaft hole I (153), the spring I (172) and the shaft hole II (171), so as to prevent the electromagnet (16) and the jaw opening and closing block (17) from falling off from the jaw base (15); It further comprises a jaw bottom plate (19), the jaw bottom plate (19) is installed on the jaw base (15) and located on the upper side of the jaw opening and closing block (17), the jaw plate (20) is installed on the jaw bottom plate (19) to realize stable installation of the jaw plate (20), and the jaw bottom plate (19) is provided with a sliding hole I (191) corresponding to the guide rod (173).

2. The elastomeric positioning assembly of claim 1, wherein, It further comprises an upper cover plate (21), the upper cover plate (21) is arranged on the upper side of the jaw plate (20), the upper cover plate (21) is provided with a taking and placing hole (212) corresponding to the jaw (202) and the workpiece clamping position in the middle part, and the upper cover plate (21) is provided with a sliding hole II (211) corresponding to the guide rod (173).

3. The elastomeric positioning assembly of claim 1, wherein, A sliding ring (14) is further included, which is mounted on the support assembly, the upper side of the sliding ring (14) is provided with a sliding cover (142) through ball mounting, and the axial middle part of the sliding ring (14) and the sliding cover (142) is provided with a mounting hole (141); The bottom of the clamping jaw base (15) is provided with a sliding table (154) corresponding to the mounting hole (141), the clamping jaw base (15) is mounted on the sliding cover (142), the sliding table (154) is rotationally arranged in the mounting hole (141), and the rotating shaft (131) of the motor (13) is axially connected with the sliding table (154).

4. The elastomeric positioning assembly of claim 1, wherein, The support assembly includes a vertically arranged support plate (11) and a horizontally mounted mounting plate (12) arranged at the upper end of the support plate (11); The motor (13) is mounted on the lower side of the mounting plate (12) and located at one side of the support plate (11), and the clamping jaw base (15) is mounted on the upper side of the mounting plate (12) and coaxially arranged with the motor (13).

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