CN210046291U - Automatic assembly detection equipment for finger-shaped contact of low-voltage air circuit breaker - Google Patents

Abstract

The utility model discloses a low pressure air circuit breaker finger-type contact automatic assembly check out test set, including setting up a plurality of frock positions around the swivel work head, be provided with the frock clamp of every frock position of cooperation on the swivel work head, frock clamp includes: the clamping position in the middle is a first position for realizing the transfer of the contact structure, and two sides of the first position are respectively second positions for realizing the lamination of the contact and the installation of the support sheet; set up corresponding mechanism on the frock position and include: the device comprises a first mechanism for realizing the stacking arrangement of a plurality of contacts, a second mechanism for realizing the arrangement of support sheets among the contacts, a third mechanism for realizing the grabbing and steering of the contacts, a fourth mechanism for realizing the installation of a holder outside the contacts, a fifth mechanism for realizing the joggle joint of the contacts and the holder and a sixth mechanism for realizing the assembly detection of a product; the sixth mechanism at least comprises a pressure testing component, a tenon pressure testing component and a size detecting component. The structure is reasonably designed according to the assembly process of the low-voltage air circuit breaker, and the matching between mechanisms is reasonable.

Description

Automatic assembly detection equipment for finger-shaped contact of low-voltage air circuit breaker

Technical Field

The utility model relates to a low pressure air circuit breaker automatic assembly equipment field, especially low pressure air circuit breaker finger-shaped contact automatic assembly check out test set.

Background

The circuit breaker product composition structure is complicated, contains the assembly of spare parts such as circuit breaker casing, handle subassembly, magnetic system subassembly, yoke, thermal system subassembly, round pin axle, flying silk, jump and detain, connecting rod, push rod, explosion chamber and forms, and consequently the assembly work of circuit breaker is numerous and diverse, and is inefficient, especially contains tiny hardware components in each part, and the atress transition is out of shape in assembling process very easily, causes the circuit breaker to become invalid. The magnetic system is an important part in the circuit breaker, and generally comprises an iron core assembly, a wiring frame, a wiring board, a contact support and other parts, wherein a coil is arranged on the contact support, a threaded hole and a screw moving in the threaded hole are arranged on the wiring frame, and the assembly process of the magnetic system generally comprises the steps of firstly fixing the contact support and the wiring board as basic parts, and then sleeving the wiring frame on the wiring board of the contact support.

The contact needs to be assembled in a unit type modularization mode in the assembling process, most of assemblies are manually operated at present, and the assembly process is carried out step by step through operators on a production line. The process is not only low in efficiency, but also easy to operate and fail in the assembling process, and the structure can not be tightened to meet the assembling requirement. Meanwhile, a large amount of labor resources are needed, additional operators are needed for subsequent detection operation, labor cost is huge, and production cost is not saved.

SUMMERY OF THE UTILITY MODEL

The technical scheme of the utility model is that: low-voltage air circuit breaker finger-shaped contact automatic assembly check out test set is including setting up a plurality of frock positions around the swivel work head, is provided with the frock clamp of every frock position of cooperation on the swivel work head, and the mechanism that sets up correspondence on the frock position includes: the device comprises a first mechanism for realizing the stacking arrangement of a plurality of contacts, a second mechanism for realizing the arrangement of support sheets among the contacts, a third mechanism for realizing the grabbing and steering of the contacts, a fourth mechanism for realizing the installation of a holder outside the contacts, a fifth mechanism for realizing the joggle joint of the contacts and the holder and a sixth mechanism for realizing the assembly detection of a product; the sixth mechanism at least comprises a pressure testing component, a tenon pressure testing component and a size detecting component.

The fixture comprises three clamping positions, wherein the clamping position in the middle is a first position for realizing the transfer of a contact structure, and two sides of the first position are second positions for realizing the lamination of the contact and the installation of the support sheet; the first mechanism and the second mechanism are respectively matched with a second position; the third mechanism, the fourth mechanism and the fifth mechanism are matched with the first position.

Preferably, the first mechanism includes: the first vibration groove is used for linearly conveying the contact, and the first clamping assembly is used for clamping a plurality of contacts from the first vibration groove to a second position corresponding to the first vibration groove; the second mechanism includes: the second vibration groove of the linear input support sheet clamps the support sheet from the second vibration groove to a second clamping component on the contact in a corresponding second position.

Preferably, the third mechanism includes: and a third clamping assembly for synchronously clamping the workpiece in the two second positions and turning the workpiece to place the workpiece in the first position.

Preferably, the fourth mechanism includes: the third vibration groove of the linear conveying retainer and a fourth clamping assembly which clamps the retainer from the third vibration groove and is sleeved on the workpiece in the first position.

Preferably, the fifth mechanism includes: the fourth vibration groove of the straight line conveying tenon and the fifth clamping assembly clamp the tenon from the fourth vibration groove and tenon into the workpiece in the first position.

Preferably, the sixth mechanism includes: the feeding belt is used for linearly conveying the workpiece, and the sixth clamping assembly is used for clamping the workpiece from the tool clamp to the feeding belt; and a pressure testing component, a tenon pressing testing component and a size detecting component are arranged along the feeding belt.

Preferably, the pressure test assembly includes: the pressure source is used for displaying the pressure value and acts on the workpiece; the tenon pressure testing component comprises a testing block pressed down according to a preset pressure value, and the testing block acts on a gap between two contact assemblies in the workpiece; the size detection assembly comprises a detection head for carrying out position calibration on a support sheet in the workpiece.

Preferably, the tail end of the feeding belt is also provided with a pneumatic structure for distributing the workpieces.

The utility model has the advantages that:

1. the low-voltage air circuit breaker is reasonably designed according to the assembly process of the low-voltage air circuit breaker, and the matching among mechanisms is reasonable; the station linking degree is high, and smooth completion of assembly can be ensured.

2. The assembly process precision is high, can ensure the stable of every unit process and go on, and each mechanism can both guarantee the precision of assembling separately, has improved the quality of product by a wide margin.

3. The subsequent detection process and the flexible matching assembly process realize the instant detection of the corresponding parameters, greatly improve the qualification rate of products and improve the processing efficiency of assembly.

Drawings

The invention will be further described with reference to the following drawings and examples:

FIG. 1 is an external view of an automatic assembly detection device for a finger-shaped contact of a low-voltage air circuit breaker;

FIG. 2 is a main structure diagram of an automatic assembly detection device for a finger-shaped contact of a low-voltage air circuit breaker;

FIG. 3 is a block diagram of a first mechanism;

FIG. 4 is a structural view of a second mechanism;

FIG. 5 is a structural view of a third mechanism;

FIG. 6 is a structural view of a fourth mechanism;

FIG. 7 is a structural view of a fifth mechanism;

FIG. 8 is a structural view of a sixth mechanism;

FIG. 9 is a block diagram of a pressure sensing assembly;

FIG. 10 is a block diagram of a dovetail pressure detection assembly and a size detection assembly;

wherein: 1. a first mechanism; 2. a second mechanism; 3. a third mechanism; 4. a fourth mechanism; 5. a fifth mechanism; 6. rotating the working table; 7. a frame; 8. a sheet metal outer plate; 9. a sixth mechanism; 11. a first vibration groove; 12. a first vibratory pan; 13. a first transverse rail; 14. a first transverse cylinder; 15. a first vertical cylinder; 16. a first jaw; 21. a second vibration groove; 22. a second vibratory pan; 23. a second transverse rail; 24. a second transverse cylinder; 25. a second vertical cylinder; 26. a first rotating cylinder; 31. A second jaw; 32. a second rotary cylinder; 33. a linear module; 41. a third vibration groove; 43. a third transverse rail; 44. a third transverse cylinder; 45. a third vertical cylinder; 46. a third jaw; 51. a fourth vibration groove; 53. a fourth transverse cylinder; 54. a fourth transverse rail; 55. a fourth vertical cylinder; 56. A base plate; 57. a fifth transverse cylinder; 61. a first position; 62. a second position; 71. a second position; 72. a second limit cylinder; 73. a second clamping cylinder group; 74. a third limiting cylinder; 81. a first limit cylinder; 82. a first push-out cylinder; 83. a test position; 84. testing the cylinder; 85. a first clamping cylinder group; 91. a feed belt; 92. a fifth transverse rail; 93. a sixth transverse cylinder; 94. a fifth vertical cylinder; 95. a third rotary cylinder; 96. a third gripper; 97. a source of air pressure; 98. and a fourth gripper.

Detailed Description

Example (b):

as shown in attached figures 1-10, the automatic assembly detection equipment for the finger-shaped contact of the low-voltage air circuit breaker is based on a rack 7 formed by butt joint of section bars. Set up swivel work head 6 in the frame, enclose with panel beating planking 8 around swivel work head 6, reserve the door plant that opens and shuts on the panel beating planking 8, still set up controller and warning light in the frame.

A plurality of tool positions are arranged around the rotary table 6, and the tool positions are arranged along the rotation circumference of the rotary table 6. And a tool clamp matched with each tool position is arranged on the rotary workbench 6 and at least comprises three clamping positions side by side. The middle clamping position is a first position 61 for realizing the conversion of the contact structure, and two sides of the first position 61 are second positions 62 for realizing the lamination of the contact and the installation of the support sheet. The two second locations 62 are structurally identical and are referred to with respect to the first location 61. Because the design is made according to the structure of the low-voltage air circuit breaker, the arrangement of the finger-type contacts is a symmetrical structure. Therefore, the assembly design is also based on its structural features. The plurality of contacts are stacked in the second position 62 and held in stacked alignment by the second position 62. And a first position 61 for securing the two "halves" together.

Design according to low-voltage air circuit breaker's commentaries on classics allocation process, consequently set up corresponding mechanism on the frock position and include: the device comprises a first mechanism 1 for realizing the stacking arrangement of a plurality of contacts, a second mechanism 2 for realizing the arrangement of support sheets among the contacts, a third mechanism 3 for realizing the grabbing and steering of the contacts, a fourth mechanism 4 for realizing the installation of a holder outside the contacts, a fifth mechanism 5 for realizing the joggle joint of the contacts and the holder and a sixth mechanism 9 for realizing the assembly detection of products. Wherein, the first mechanism to the fifth mechanism are used for assembly, and the sixth mechanism mainly realizes parameter detection of finished products.

Specifically, the first mechanism 1 includes: the first vibration groove 11 for linearly conveying the contact and the first clamping assembly for clamping a plurality of contacts from the first vibration groove 11 to the corresponding second positions 62. One end of the first vibration tank 11 is connected to the first vibration plate 12, and the other end thereof is connected to the rotary table 6. The first vibration disc 12 and the first vibration groove 11 both adopt the existing vibration feeding structure, and the contact pieces are conveyed along the linear direction through the vibration of the vibrator. The first clamping assembly then comprises the same direction of feed as the first vibrating trough 11: a first transverse rail 13, a first transverse cylinder 14; a first vertical cylinder 15 is matched on the first transverse rail 13, and the first transverse cylinder 14 pushes the first vertical cylinder 15 to slide on the first transverse rail 13. The first vertical cylinder 15 pushes and pulls the pneumatic first clamping jaw 16 vertically, and the two first clamping jaws 6 clamp the contact from the first vibration groove 11 and place the contact into corresponding tool fixtures on the rotary workbench. As shown in fig. 3: the second positions 62 on the tooling fixture are provided with two, so that two groups of vibration feeding assemblies can be arranged to realize simultaneous feeding to increase the working efficiency corresponding to the positions of the two positions.

The second mechanism 2 includes: a second vibration groove 21 for linearly transferring the support sheet, and a second clamping component for clamping the support sheet from the second vibration groove 21 to the contact in the corresponding second position 62. The second mechanism 2 is a support sheet for mounting between the contacts, the support sheet includes a plurality of teeth, each tooth corresponds to one contact, and the support sheet needs to be placed on the side end face of the contact sheet to play a supporting effect. Therefore, one end of the second vibration tank 21 is connected to the second vibration plate 22, and the other end thereof is also connected to the rotary table 6. Similar to the first mechanism 1, the detailed structures of the second vibration groove 21 and the second vibration plate 22 are not described in detail. As shown in fig. 4, the second clamping assembly includes a second transverse rail 23 having the same feeding direction as the second vibration groove 21, the second transverse rail 23 is pushed and pulled by a second transverse cylinder 24, and the second transverse rail 23 is engaged with a second vertical cylinder 25. The second vertical cylinder 25 pushes and pulls a first rotating cylinder 26, and the first rotating cylinder 26 drives a negative pressure suction head which is used for adsorbing the supporting sheet on the second vibrating groove.

The third mechanism 3 includes: a third clamping assembly for simultaneously clamping the workpiece in the two second positions 63 and turning to place the workpiece in the first position 61. As shown in fig. 5, the third clamping assembly essentially comprises two pneumatic second jaws 31 corresponding to the second position 62, the second jaws 31 not only comprising a clamping force to achieve simultaneous clamping of multiple contacts, but also providing a pneumatic thrust to hold the support plate. The clamping force is realized by a transverse cylinder, and the thrust is realized by a vertical cylinder. The two second clamping jaws 31 are each connected to a second rotary cylinder 32, the second rotary cylinders 32 can achieve synchronous steering, and the two second rotary cylinders 32 transmit synchronous opposite rotation, so that the two half contact assemblies are rotated to the vertical direction. At the same time, the second rotary cylinder 32 is engaged with a vertical linear module 33, so that the second jaw 31 can load two "half" workpieces into the first position 61 as it descends vertically.

The fourth mechanism 4 includes: the third vibration groove 41 of the linear conveying retainer and a fourth clamping assembly for clamping the retainer from the third vibration groove 41 to the workpiece in the first position 61. The third vibration groove 41 is connected with a third vibration plate for continuously conveying the retainer, and is similar to the vibration structures in the first mechanism and the second mechanism, and both belong to a common vibration feeding structure. As shown in fig. 6, the fourth clamping assembly is similar to the first clamping assembly and includes a third transverse rail 43, a third transverse cylinder 44, a third vertical cylinder 45, and a third clamping jaw 46. In contrast to the first mechanism 1, the fourth mechanism 4 is arranged to bring a holder to the first position 61, the holder being fitted around the outside of the two "halves" of the contact assembly, forming an outer frame. At this moment, the semi-finished product does not have a fixed structure, and the holder and the inner contact assembly are connected by using a tenon, so that the two contact assemblies are kept to be tensioned in the holder, and the stable structure of the product can be ensured.

The fifth mechanism 5 includes: a fourth oscillating groove 51 for linearly conveying the tenon, and a fifth clamping assembly for clamping the tenon from the fourth oscillating groove 51 and tenoning the tenon to the workpiece in the first position 61. Similar to the vibrating structure in the first mechanism 1, the second mechanism 2, and the fourth mechanism 4, the fourth vibrating groove 51 is used in combination with a fourth vibrating plate for continuously conveying the tenon. As shown in fig. 7, the fifth clamping assembly includes, horizontally disposed and perpendicular to the fourth vibration groove 51: a fourth transverse cylinder 53, a fourth transverse rail 54. The fourth transverse cylinder 53 pushes and pulls a fourth vertical cylinder 55 which is matched on the fourth transverse rail 54, and the fourth vertical cylinder 55 pushes and pulls a negative pressure suction head which is used for sucking the tenon. A bottom plate 56 is provided under the fourth traverse rail head 54, and a chute and a fifth traverse cylinder 57 are provided on the bottom plate 56 in the same feeding direction as the fourth vibration chute 51. The tenon is placed in the sliding groove by the negative pressure suction head, the sliding groove is opposite to the workpiece on the first position 61, a tenon hole is formed in the workpiece, and the tenon is pushed forwards by the fifth transverse cylinder 57 along the sliding groove to be inserted into the workpiece. The bottom plate 56 is simultaneously arranged on a linear module in the same direction as the fifth transverse cylinder 57, which can play a role of feeding once and ensure that the sliding groove is aligned with the mortise.

So far, the first mechanism to the fifth mechanism realize the assembly of the finger-shaped contact of the mortgage air circuit breaker, the rotary workbench 6 rotates the transferred workpiece to the sixth mechanism 9, and the sixth mechanism 9 clamps the workpiece and enters the detection process. The sixth mechanism 9 includes: the feeding belt 91 for linearly conveying the workpiece, and a sixth clamping component for clamping the workpiece from the tool clamp to the feeding belt; the end of the feeding belt is a pressure testing component, and a tenon pressure testing component and a size detecting component are arranged along the feeding belt.

The feed belt 91 is a common belt feed line having a stretchable belt collapsed on a roller as a main member. The sixth clamping assembly is similar to the second clamping assembly in structure and comprises a fifth transverse rail 92, a sixth transverse cylinder 93, a fifth vertical cylinder 94, a third rotating cylinder 95 and a third clamping hand 96. The horizontally arranged fifth transverse rail 92 has the same direction as the feeding line, the sixth transverse cylinder 93 pushes the fifth vertical cylinder 94 to slide along the fifth transverse rail 92, the fifth vertical cylinder 94 pushes and pulls the third rotating cylinder 95, the third rotating cylinder 95 is provided with a third clamping hand 96, and the third clamping hand 96 can realize linear displacement and Z-axis autorotation. The third clamping hand 96 clamps the workpiece on the tool clamp to the pressure testing assembly, the pressure testing assembly comprises an air pressure source 97 and a pressure gauge, pneumatic pressure acts on the workpiece, and the assembly effect of the workpiece is reflected through the number indication of the pressure gauge. A fourth clamping hand 98 for 180-degree turnover feeding is further arranged between the pressure testing assembly and the feeding belt, as shown in fig. 9 and 10, the fourth clamping hand 98 is provided with two clamping surfaces, the rotation center is at the center of the two clamping surfaces, and the workpieces on two sides can be turned over and fed through 180-degree rotation of the rotation center. Only if the clamping width of the fourth gripper 98 is larger than the width of the feeding line, when the front side clamps the workpiece and starts to turn over, the gripper on the rear side is opened to realize 180-degree transfer. The feeding line is also provided with a side edge for maintaining the stability of the workpiece, and the workpiece moves forwards along a channel formed by the side edge

As shown in fig. 10, the tenon compression test assembly includes: a first limit cylinder 81 for extending and stopping the workpiece, a first push-out cylinder 82 for extending and pushing the workpiece into a test position 83, and a test position 83 for performing detection. The test position 83 includes: a first clamping cylinder group 84 for clamping and fixing the workpiece from both sides of the workpiece, and a test cylinder 85 for pressing down from above the workpiece. According to the preset test requirement, the test cylinder 85 sets the test pressure, a test block is pushed out by the test pressure, the test block is pressed into the gap between the two groups of contact assemblies, and the test block can be pressed into the gap when the assembly structure of the contacts is unqualified due to the middle supporting point of the assembly structure of the contacts. If the pressure is not pressed in, the structure is qualified. Outside the test position 83 is a second push-out cylinder 86 for pushing the workpiece to the feed belt.

The work piece that passes through tenon and presses the test has got into size test subassembly along with the pay-off area, and size test subassembly includes: four detection heads 71, a second limit cylinder 72 for stopping the workpiece, and a second clamping cylinder group 73 for clamping the workpiece. The detection head 71 is connected with the sensor, and the detection head 71 is used for calibrating and detecting the position of the supporting sheet on the workpiece, so that the reserved sizes on the two sides of the supporting sheet are within a reasonable range.

The workpiece finally enters a screening position, which is realized by a third limiting cylinder 74, the system records the current workpiece in the detection process, if the workpiece is unqualified, the conveying sequence is recorded, when the workpiece reaches the powder screening position, the third limiting cylinder distributes the workpiece to different directions on two sides of a feeding line, one side of the workpiece is qualified, the other side of the workpiece is defective, and the specific direction and position are adjusted or set according to the actual operation.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical concepts of the present invention be covered by the claims of the present invention.

Claims (7)

1. Low pressure air circuit breaker finger-shaped contact automatic assembly check out test set is provided with the frock clamp of every frock position of cooperation, its characterized in that including setting up a plurality of frock positions around the swivel work head on the swivel work head: the frock clamp includes: the clamping position in the middle is a first position for realizing the transfer of the contact structure, and two sides of the first position are respectively second positions for realizing the lamination of the contact and the installation of the support sheet; set up corresponding mechanism on the frock position and include: the device comprises a first mechanism for realizing the stacking arrangement of a plurality of contacts, a second mechanism for realizing the arrangement of support sheets among the contacts, a third mechanism for realizing the grabbing and steering of the contacts, a fourth mechanism for realizing the installation of a holder outside the contacts, a fifth mechanism for realizing the joggle joint of the contacts and the holder and a sixth mechanism for realizing the assembly detection of a product; the sixth mechanism at least comprises a pressure testing component, a tenon pressure testing component and a size detecting component; the sixth mechanism includes: the feeding belt is used for linearly conveying the workpiece, and the sixth clamping assembly is used for clamping the workpiece from the tool clamp to the feeding belt; and a pressure testing component, a tenon pressing testing component and a size detecting component are arranged along the feeding belt.

2. Automatic assembly detection equipment for finger contacts of low-voltage air circuit breakers, as claimed in claim 1, characterized in that: the first mechanism includes: the first vibration groove is used for linearly conveying the contact, and the first clamping assembly is used for clamping a plurality of contacts from the first vibration groove to a second position corresponding to the first vibration groove; the second mechanism includes: the second vibration groove of the linear input support sheet clamps the support sheet from the second vibration groove to a second clamping component on the contact in a corresponding second position.

3. Automatic assembly detection equipment for low-voltage air circuit breaker finger contacts according to claim 1 or 2, characterized in that: the third mechanism includes: and a third clamping assembly for synchronously clamping the workpiece in the two second positions and turning the workpiece to place the workpiece in the first position.

4. Automatic assembly detection equipment for finger contacts of low-voltage air circuit breakers, as claimed in claim 3, characterized in that: the fourth mechanism includes: the third vibration groove of the linear conveying retainer and a fourth clamping assembly which clamps the retainer from the third vibration groove and is sleeved on the workpiece in the first position.

5. Automatic assembly detection equipment for finger contacts of low-voltage air circuit breakers, as claimed in claim 4, characterized in that: the fifth mechanism includes: the fourth vibration groove of the straight line conveying tenon and the fifth clamping assembly clamp the tenon from the fourth vibration groove and tenon into the workpiece in the first position.

6. Automatic assembly detection equipment for low-voltage air circuit breaker finger contacts according to claim 1 or 5, characterized in that: the pressure testing assembly comprises: the pressure source is used for displaying the pressure value and acts on the workpiece; the tenon pressure testing component comprises a testing block pressed down according to a preset pressure value, and the testing block acts on a gap between two contact assemblies in the workpiece; the size detection assembly comprises a detection head for carrying out position calibration on a support sheet in the workpiece.

7. Automatic assembly detection equipment for finger contacts of low-voltage air circuit breakers, as claimed in claim 6, characterized in that: the tail end of the feeding belt is also provided with a pneumatic structure for distributing workpieces.

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