CN109454453B - Connector assembly machine - Google Patents
Connector assembly machine Download PDFInfo
- Publication number
- CN109454453B CN109454453B CN201811554892.4A CN201811554892A CN109454453B CN 109454453 B CN109454453 B CN 109454453B CN 201811554892 A CN201811554892 A CN 201811554892A CN 109454453 B CN109454453 B CN 109454453B
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- groove
- pressing sleeve
- clamping
- positioning
- guide groove
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- 238000003825 pressing Methods 0.000 claims abstract description 106
- 230000007246 mechanism Effects 0.000 claims abstract description 63
- 238000007599 discharging Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 10
- 238000004891 communication Methods 0.000 description 6
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
- B23P21/002—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control the units stationary whilst being composed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/001—Article feeders for assembling machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/001—Article feeders for assembling machines
- B23P19/006—Holding or positioning the article in front of the applying tool
Abstract
The invention provides a connector assembly machine which comprises a frame, a central needle feeding mechanism arranged on the frame, a pressing sleeve feeding mechanism arranged on the frame and a clamping mechanism arranged on the frame, wherein the central needle feeding mechanism can drive a central needle to move to an assembly position, a guide groove is arranged on the frame, the pressing sleeve feeding mechanism can convey a pressing sleeve into the guide groove, and the clamping mechanism can apply force towards the assembly position to the pressing sleeve positioned in the guide groove. During assembly, the central needle feeding mechanism drives the central needle to move to the assembly position, the pressing sleeve feeding mechanism conveys the pressing sleeve to the guide groove, and the clamping mechanism applies force towards the assembly position to the pressing sleeve positioned in the guide groove, so that the pressing sleeve moves along the guide groove and towards the central needle until the pressing sleeve is mounted at the end part of the central needle, and therefore the assembly of the connector is completed.
Description
Technical Field
The invention relates to the technical field of connector manufacturing, in particular to a connector assembly machine.
Background
The SMP-MAX connector is a "board-to-board" high tolerance connector that is widely used in wireless communication devices. With the continuous development of wireless communication technology, the application of the board-to-board coaxial connector in the interconnection of wireless system modules is more and more widespread, such as: communication base stations, RRHs, repeaters, GPS devices, and other similar applications, etc.
Since the market demand for SMP-MAX connectors is increasing, there is a need for an efficient and stable automated assembly apparatus for improving the assembly efficiency of connectors, i.e., improving the productivity of connectors.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present invention is to provide a connector assembling machine capable of effectively improving the assembling efficiency of a connector.
In order to achieve the above-mentioned purpose, the invention provides a connector assembly machine, which comprises a frame, a central needle feeding mechanism arranged on the frame, a pressing sleeve feeding mechanism arranged on the frame, and a clamping mechanism arranged on the frame, wherein the central needle feeding mechanism can drive the central needle to move to an assembly position, a guide groove is arranged on the frame, the pressing sleeve feeding mechanism can convey a pressing sleeve into the guide groove, and the clamping mechanism can apply force towards the assembly position to the pressing sleeve positioned in the guide groove.
Further, the center pin feeding mechanism comprises a first feeder, a second feeder and a third feeder, the second feeder comprises a positioning block with a positioning groove, the third feeder comprises a moving block with a clamping groove, the first feeder can convey the center pin into the positioning groove, a positioning surface is arranged on one side wall of the positioning groove and is used for being in contact with the center pin, the clamping groove is located below the positioning groove, a center pin discharging opening is formed in the lower end of the positioning groove, a center pin receiving opening is formed in the upper end of the clamping groove, and the moving block can drive the center pin to move to an assembling position.
Further, a feeding channel communicated with the positioning groove, an air inlet channel communicated with the feeding channel and a first air inlet communicated with the air inlet channel are arranged in the first feeder, an included angle alpha is formed between the air inlet channel and the feeding channel, the included angle alpha is more than 0 degrees and less than 90 degrees, and a first air outlet is arranged on one side wall of the positioning groove.
Further, the center needle feeding mechanism further comprises a center needle vibration disc, the center needle vibration disc comprises a center needle track with a center needle guide groove, and the center needle guide groove is communicated with the feeding channel.
Further, a sensor is installed on the positioning block.
Further, the motion block comprises a driving block with a clamping bulge, a positioning shaft arranged on the driving block and a clamping block sleeved on the positioning shaft, wherein the clamping groove is positioned between the clamping bulge and the clamping block, and the clamping block can move along the axial direction of the positioning shaft and along the direction close to the clamping bulge.
Further, the positioning shaft is also sleeved with a clamping spring, the clamping spring is in contact with the clamping block, and the clamping spring can apply elastic force towards the clamping protrusion to the clamping block.
Further, the pressing sleeve feeding mechanism comprises a pushing piece capable of moving along the direction approaching to and away from the guide groove, the pushing piece is positioned on the upper surface of the frame, a pushing groove is formed in the pushing piece, the pushing groove is positioned above the guide groove, a pressing sleeve discharging opening is formed in the lower end of the pushing groove, and a pressing sleeve discharging opening is formed in the upper end of the guide groove; a pushing cavity is arranged between the side wall of the pushing groove and the upper surface of the frame, and the pushing cavity is used for accommodating the pressing sleeve.
Further, a second air inlet is formed in the upper side wall of the pushing groove, and a second air outlet communicated with the pushing groove is formed in the upper surface of the frame; a pressing sleeve feeding port is formed in one side wall of the pushing groove.
Further, the pressing sleeve feeding mechanism further comprises a pressing sleeve vibration disc, the pressing sleeve vibration disc comprises a pressing sleeve track with a pressing sleeve guide groove, and the pressing sleeve guide groove is communicated with the pressing sleeve feeding port.
As described above, the connector assembling machine according to the present invention has the following advantageous effects:
the working principle of the connector assembly machine in the invention is as follows: the central needle feeding mechanism drives the central needle to move to the assembling position, the pressing sleeve feeding mechanism conveys the pressing sleeve to the guide groove, and the clamping mechanism applies force towards the assembling position to the pressing sleeve positioned in the guide groove, so that the pressing sleeve moves along the guide groove and towards the central needle until the pressing sleeve is arranged at the end part of the central needle, and the assembling of the connector is completed.
Drawings
Fig. 1 is a schematic structural view of a connector assembling machine according to the present invention.
FIG. 2 is a schematic view of a center pin feed mechanism according to the present invention.
Fig. 3 is a schematic structural view of a first feeder according to the present invention.
Fig. 4 is a schematic structural view of a second feeder according to the present invention.
Fig. 5 is a schematic structural view of a third feeder according to the present invention.
FIG. 6 is a schematic view of a press jacket feeding mechanism and clamping mechanism according to the present invention.
FIG. 7 is a schematic view of a medium pressure jacket feeding mechanism of the present invention.
Description of element reference numerals
1. Frame 236 clamping block
11. Guide groove 237 clamps the spring
12. Second air outlet 238 sliding rail
2. Central needle track of central needle feeding mechanism 24
21. First feeder 241 center needle baffle box
211. Feeding channel 25 sensor
212. Feeding mechanism for air inlet channel 3 pressing sleeve
213. First air inlet 31 pushing sheet
22. Second feeder 311 pushing groove
221. Second air inlet of positioning groove 312
222. Positioning block 313 press sleeve feeding hole
223. First gas outlet 32 pushing cavity
224. First feeding cylinder 33 sleeve pressing track
23. Third feeder 331 presses cover baffle box
231. Clamping groove 34 jacket feeding cylinder
232. Clamping mechanism for moving block 4
233. The clamping protrusion 41 clamps the mandrel
234. Active block 42 clamping cylinder
235. Positioning shaft
Detailed Description
Further advantages and effects of the present invention will become apparent to those skilled in the art from the disclosure of the present invention, which is described by the following specific examples.
It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the invention to the extent that it can be practiced, since modifications, changes in the proportions, or adjustments of the sizes, which are otherwise, used in the practice of the invention, are included in the spirit and scope of the invention which is otherwise, without departing from the spirit or scope thereof. Also, the terms "upper", "lower", "left", "right", "middle" and "a" are used herein for descriptive purposes only and are not intended to limit the scope of the invention for which the invention may be practiced, but rather the relative relationships thereof may be altered or modified without materially altering the technology.
As shown in fig. 1 to 7, the present invention provides a connector assembling machine, which comprises a frame 1, a central needle feeding mechanism 2 installed on the frame 1, a pressing sleeve feeding mechanism 3 installed on the frame 1, and a clamping mechanism 4 installed on the frame 1, wherein the central needle feeding mechanism 2 can drive the central needle to move to an assembling position, a guide groove 11 is arranged on the frame 1, the pressing sleeve feeding mechanism 3 can convey a pressing sleeve into the guide groove 11, and the clamping mechanism 4 can apply a force towards the assembling position to the pressing sleeve positioned in the guide groove 11. The working principle of the connector assembly machine in the invention is as follows: the central needle feeding mechanism 2 drives the central needle to move to the assembling position, the pressing sleeve feeding mechanism 3 conveys the pressing sleeve to the guide groove 11, the clamping mechanism 4 applies force towards the assembling position to the pressing sleeve positioned in the guide groove 11, so that the pressing sleeve moves along the guide groove 11 and towards the central needle until the pressing sleeve is arranged at the end part of the central needle, and the assembling of the connector is completed.
The connector assembly machine in this embodiment is mainly used for assembly of SMP-MAX connectors, which are also called board-to-board connectors. The SMP-MAX connector comprises a center pin and two press sleeves respectively mounted at both ends of the center pin. The above-mentioned press sleeve is also referred to as a tool sleeve. The connector assembling machine described above is also specifically referred to as an SMP-MAX connector assembling machine or an SMP-MAX connector center pin automatic sleeving machine in this embodiment. The assembly machine can automatically assemble the pressing sleeve on the central needle.
As shown in fig. 1 to 5, the above-mentioned center pin feeding mechanism 2 includes a first feeder 21, a second feeder 22, and a third feeder 23, the second feeder 22 includes a positioning block 222 having a positioning slot 221, the third feeder 23 includes a moving block 232 having a clamping slot 231, the first feeder 21 can convey the center pin into the positioning slot 221, a positioning surface is disposed on a side wall of the positioning slot 221, the positioning surface is used for contacting the center pin, the clamping slot 231 is located below the positioning slot 221, a center pin blanking opening is disposed at a lower end of the positioning slot 221, a center pin receiving opening is disposed at an upper end of the clamping slot 231, and the moving block 232 can drive the center pin to move to an assembling position. In the assembly process, the first feeder 21 drives the center needle to move towards the positioning groove 221 until the center needle is conveyed into the positioning groove 221, and the center needle is in contact with the positioning surface, so that the positioning surface is utilized to position the center needle, the center needle is ensured to be in a set position, the center needle can be smoothly dropped into the center needle receiving opening and the clamping groove 231 from the center needle discharging opening of the positioning groove 221, namely, the center needle can be smoothly dropped into the clamping groove 231 by utilizing the positioning of the center needle, and the center needle can be ensured to be dropped into the set position in the clamping groove 231, and further, the moving block 232 can be ensured to accurately move to the assembly position, so that the assembly can be smoothly completed on the SMP-MAX connector, and the assembly quality is higher.
As shown in fig. 3, in the present embodiment, a feeding channel 211 communicating with a positioning slot 221, an air inlet channel 212 communicating with the feeding channel 211, and a first air inlet 213 communicating with the air inlet channel 212 are provided in the first feeder 21, an included angle α is formed between the air inlet channel 212 and the feeding channel 211, and 0 ° < α < 90 °, and a first air outlet 223 is provided on a side wall of the positioning slot 221. The first feeder 21 in this embodiment operates on the following principle: blowing gas into the gas inlet channel 212 through the first gas inlet 213, flowing into the feeding channel 211 through the gas inlet channel 212, flowing into the positioning groove 221 through the feeding channel 211, and finally flowing out through the first gas outlet 223; in this process, a negative pressure is generated at one end of the feeding channel 211 facing away from the positioning groove 221, and the negative pressure can suck the center needle positioned therein into the feeding channel 211, and make the center needle move toward the positioning groove 221; until the central needle moves through the communication between the feeding channel 211 and the air inlet channel 212, the air entering the feeding channel 211 from the air inlet channel 212, namely, the positive pressure air, directly pushes the central needle to move towards the positioning groove 221 until the central needle moves into the positioning groove 221 and contacts with the positioning surface. In this embodiment, the first feeder 21 adopts such a feeding manner, so that the center pin can be smoothly fed into the positioning slot 221, and soft contact between the center pin and the positioning surface is ensured when the center pin contacts the positioning surface, i.e. the mutual contact force between the center pin and the positioning surface is small, so that hard contact between the center pin and the positioning surface is avoided, damage to the center pin due to larger contact force is avoided, and further, higher assembly qualification rate and assembly quality of the assembly machine are ensured. In this embodiment, the feeding channel 211 extends along the front-rear direction, the front end of the feeding channel 211 is communicated with the positioning groove 221, the air inlet channel 212 is communicated with the middle part of the feeding channel 211, and the front side wall of the positioning groove 221 is provided with the positioning surface. Thus, after the compressed gas flows into the air inlet channel 212 through the first air inlet 213, the compressed gas flows through the middle part of the feeding channel 211, the front end of the feeding channel 211, the positioning groove 221 and the first air outlet 223 in sequence; in this process, negative pressure is generated at the rear end of the feeding channel 211, so that the center needle located at the rear end of the feeding channel 211 is sucked into the feeding channel 211, and is moved forward in the direction of the positioning groove 221, and after the center needle moves through the communication between the feeding channel 211 and the air inlet channel 212, the compressed air flowing into the feeding channel 211 from the air inlet channel 212, that is, the positive pressure air, directly blows the center needle to move forward in the direction of the positioning groove 221 until the center needle contacts with the positioning surface, and the center needle stops moving forward continuously, thereby realizing the positioning of the center needle in the front-rear direction, ensuring that the center needle is located at a set position in the front-rear direction, further ensuring that the center needle can fall into the clamping groove 231 smoothly and is located in the set position in the clamping groove 231 in the front-rear direction. In this embodiment, the first air outlet 223 is specifically located on the front sidewall of the positioning slot 221, and the diameter of the first air outlet 223 is smaller than the diameter of the central needle.
As shown in fig. 1 and 2, the above-mentioned center needle feeding mechanism 2 further includes a center needle vibration plate including a center needle rail 24 having a center needle guide groove 241, the center needle guide groove 241 communicating with the feeding passage 211. The center pin vibration plate conveys the center pin to the rear end of the feeding path 211 through the center pin guide groove 241, and the center pin located at the rear end of the feeding path 211 is then introduced into the feeding path 211 under the above negative pressure. The center pin vibrating tray can also directly input the center pin into the feeding channel 211 and the positioning groove 221.
As shown in fig. 1 and 4, the positioning block 222 in this embodiment is mounted with a sensor 25; when the central needle moves forward into the positioning groove 221 and contacts with the positioning surface, the sensor 25 detects the central needle, the sensor 25 feeds back a central needle in-place signal to the PLC, and the PLC sequentially judges that the central needle has moved to a set position in the positioning groove 221 so as to control a corresponding mechanism of the assembly machine to execute corresponding actions. In this embodiment, the sensor 25 is specifically an optoelectronic switch, and the sensor 25 is electrically connected to the PLC.
As shown in fig. 5, the moving block 232 in this embodiment includes a driving block 234 having a clamp projection 233, a positioning shaft 235 mounted on the driving block 234, and a clamp block 236 fitted over the positioning shaft 235, the clamp groove 231 being located between the clamp projection 233 and the clamp block 236, the clamp block 236 being movable in the axial direction of the positioning shaft 235 and in a direction approaching the clamp projection 233. When the center pin falls down into the clamping groove 231 from the positioning groove 221, the moving block 232 moves towards the assembly position, in this process, the clamping protrusion 233 of the moving block 232 pushes the center pin to move together, the center pin pushes the clamping block 236 to move together towards the assembly position, the clamping block 236 applies a force to the center pin, which is directed away from the assembly position, i.e. towards the clamping protrusion 233 due to inertia or the like, and the clamping block 236 moves along the positioning shaft 235 relative to the clamping protrusion 233 and the center pin, and in a direction close to the clamping protrusion 233, so that the space of the clamping groove 231 is reduced and the center pin is clamped, thereby ensuring that the moving block 232 can clamp the center pin in the process of driving the center pin to move, ensuring that the center pin cannot be misplaced, ensuring that the moving block 232 can drive the center pin to move to the assembly position accurately, and further ensuring that the assembly accuracy and the assembly quality of the assembly machine are higher. The moving block 232 in this embodiment can drive the center needle to reciprocate in the left-right direction. In the initial state, the moving block 232 is positioned at the left side of the assembling position, and after the center needle falls into the clamping groove 231, the moving block 232 drives the center needle to move rightward until the center needle moves rightward to the assembling device.
As shown in fig. 5, the positioning shaft 235 is further sleeved with a clamping spring 237, the clamping spring 237 is in contact with the clamping block 236, and the clamping spring 237 can apply an elastic force to the clamping block 236 toward the clamping protrusion 233. During the movement of the movement block 232 with the center needle toward the assembly position, the clamp spring 237 applies an elastic force to the clamp block 236 toward the clamp projection 233, so that the clamp block 236 moves toward the clamp projection 233 with respect to the clamp projection 233 to clamp the center needle. The second feeder 22 is also referred to as an elastic moving block mechanism.
As shown in fig. 1, 6 and 7, the pressing sleeve feeding mechanism 3 in this embodiment includes a pushing piece 31 capable of moving along a direction approaching and separating from the guide groove 11, the pushing piece 31 is located on the upper surface of the frame 1, a pushing groove 311 is arranged on the pushing piece 31, the pushing groove 311 is located above the guide groove 11, a pressing sleeve blanking opening is arranged at the lower end of the pushing groove 311, and a pressing sleeve blanking opening is arranged at the upper end of the guide groove 11; a push cavity 32 is provided between the side wall of the push slot 311 and the upper surface of the frame 1, and the push cavity 32 is used for accommodating the press sleeve. After the pressing sleeve enters the pushing cavity 32, the pushing piece 31 moves towards the direction close to the guide groove 11, in the process, the side wall of the pushing groove 311 moves together to enable the pressing sleeve to move along the upper surface of the frame 1 and towards the guide groove 11 until the pushing groove 311 corresponds to the guide groove 11, namely, when the pushing groove 311 is located right above the guide groove 11, the pressing sleeve falls into the pressing sleeve discharging opening and the guide groove 11 from the pressing sleeve discharging opening of the guide groove 11. In this embodiment, the pushing piece 31 can reciprocate in the left-right direction, and in the initial state, the pushing piece 31 is located right of the guide groove 11.
Meanwhile, as shown in fig. 6 and 7, in this embodiment, the upper side wall of the pushing slot 311 is provided with a second air inlet 312, and the upper surface of the frame 1 is provided with a second air outlet 12 communicated with the pushing slot 311; a pressing sleeve feeding hole 313 is arranged on one side wall of the pushing groove 311. In the initial state, the second air inlet 312 corresponds to the second air outlet 12, so that the compressed air entering the pushing cavity 32 from the second air inlet 312 flows out through the second air outlet 12, in the process, negative pressure is generated at the jacket feeding hole 313, the jacket at the jacket feeding hole 313 is sucked into the pushing cavity 32 by the negative pressure, then the pushing piece 31 moves towards the direction of the guide groove 11, the pushing groove 311 drives the jacket to move towards the direction of the guide groove 11 together, meanwhile, the second air inlet 312 is staggered with the second air outlet 12, and at the moment, the air flowing into the pushing cavity 32 from the second air inlet 312 fills the pushing cavity 32 and blows up the jacket, so that the jacket is in a suspension state, larger friction resistance is generated between the jacket and the upper surface of the frame 1, and the jacket is prevented from being damaged. The jacket feeding mechanism 3 in this embodiment is also referred to as a pressure-blow-up jacket suspension and pressure-release suction jacket mechanism.
As shown in fig. 1 and 6, the jacket feeding mechanism 3 further includes a jacket vibration plate, and the jacket vibration plate includes a jacket rail 33 having a jacket guide groove 331, and the jacket guide groove 331 is communicated with the jacket feed port 313. The pressing sleeve vibration disc can convey the pressing sleeve to the pressing sleeve feeding port 313 through the pressing sleeve guide chute 331, and the pressing sleeve is sucked into the pushing cavity 32 under the negative pressure. Meanwhile, the pressing sleeve vibration disc in the embodiment can also directly convey the pressing sleeve to the pushing cavity 32 through the pressing sleeve guide chute 331 and the pressing sleeve feeding port 313.
As shown in fig. 1 and 6, in this embodiment, the pressing sleeve feeding mechanism 3 has two sets, and the guide grooves 11 have two sets. The two guide grooves 11 are located on the front and rear sides of the assembly position, respectively. The two pressing sleeve feeding mechanisms 3 are respectively used for conveying the two pressing sleeves into the two guide grooves 11. The clamping mechanism 4 includes two clamping mandrels 41 and clamping cylinders 42 respectively connected with the two clamping mandrels 41, so that the two clamping mandrels 41 are respectively driven by the two clamping cylinders 42 to move in the front-back direction, and force towards the central needle direction is respectively applied to the two pressing sleeves located in the two guide grooves 11. The second feeder 22 further includes a first feeding cylinder 224 connected to the positioning block 222 and mounted on the frame 1, so that the positioning block 222 is driven by the first feeding cylinder 224 to reciprocate in the left-right direction. In the initial state, the positioning groove 221 is located at the left side of the clamping groove 231. When the center needle is conveyed into the positioning groove 221 and contacts with the positioning surface, the first feeding cylinder 224 drives the positioning block 222 to move rightward, and the positioning groove 221 drives the center needle to move rightward along the upper surface of the frame 1 until the center needle discharging opening of the positioning groove 221 corresponds to the center needle receiving opening of the clamping groove 231, and the center needle falls into the clamping groove 231 downward. The third feeder 23 further includes a second feeding cylinder connected to the moving block 232 and mounted on the frame 1, so that the moving block 232 is driven to reciprocate in the left-right direction by the second feeding cylinder. The pressing sleeve feeding mechanism 3 further comprises a pressing sleeve feeding cylinder 34 connected with the pushing sheet 31, so that the pushing sheet 31 is driven to reciprocate in the left-right direction by the pressing sleeve feeding cylinder 34. The center pin vibration plate, the first feeding cylinder 224, the second feeding cylinder, the press sleeve feeding cylinder 34, the press sleeve vibration plate, the clamping cylinder 42 and the sensor 25 are all electrically connected with the PLC. In this embodiment, the outer dimension of the center needle is smaller, and the center needle is a tiny product. The sensor 25 is specifically a minute product detection sensor. In addition, the moving block 232 is matched with the sliding rail 238, and the moving block 232 moves along the sliding rail 238 under the action of the second feeding cylinder. In this embodiment, the pressing sleeve is a metal sleeve.
The specific working principle of the connector assembly machine in this embodiment is as follows: the center needle vibration disc sends the center needle in the trough to the first feeder 21, the first feeder 21 sucks the center needle positioned at the rear end of the feeding channel 211 into the feeding channel 211 through negative pressure, so that the center needle passes through the feeding channel 211 in an accelerating way, when the center needle passes through the communication position of the air inlet channel 212 and the feeding channel 211, the negative pressure in the feeding channel 211 is converted into positive thrust to quickly push the center needle into the bottom of the positioning groove 221, so that the center needle is contacted with the positioning surface, and the feeding way can ensure that the center needle is not influenced by hard force, and ensures the positioning accuracy and stability of the center needle; the sensor 25 detects the center needle and feeds back the detection signal to the PLC, the PLC controls the first feeding cylinder 224 to act and pushes the positioning block 222 and the center needle to move rightwards along the upper surface of the frame 1 until the positioning groove 221 corresponds to the clamping groove 231, the center needle falls into the clamping groove 231 downwards, the sensor 25 cannot detect the center needle at this time and feeds back the information to the PLC, the PLC controls the second feeding cylinder to act so as to push the moving block 232 and the center needle to move rightwards until the moving block 232 drives the center needle to move to the assembling position, and in the process, the clamping block 236 and the clamping spring 237 clamp the center needle, so that dislocation of the center needle is avoided and the precision of subsequent assembly is ensured; meanwhile, the pressing sleeve vibration disc sends the pressing sleeve to the pushing cavity 32 through the pressing sleeve feeding hole 313, compressed air enters the pushing cavity 32 from the second air inlet 312 and flows out from the second air outlet 12, so that negative pressure is generated at the pressing sleeve feeding hole 313 to quickly suck the pressing sleeve positioned at the pressing sleeve feeding hole 313 into the pushing cavity 32, then the pressing sleeve feeding cylinder 34 acts and drives the pushing sheet 31 and the pressing sleeve to move leftwards along the upper surface of the frame 1 until the pushing groove 311 corresponds to the guide groove 11, the pressing sleeve falls into the guide groove 11 downwards, in the process, the second air inlet 312 is staggered with the second air outlet 12, the pushing cavity 32 forms a closed cavity, and air entering the pushing cavity 32 from the second air inlet 312 blows the pressing sleeve and slightly suspends the pressing sleeve so as to reduce friction resistance between the pressing sleeve and the upper surface of the frame 1; and at this time, the two pressing sleeves are respectively conveyed into the two guide grooves 11 by the two pressing sleeve feeding mechanisms 3; finally, the two clamping cylinders 42 act and respectively drive the two clamping core rods 41 to move towards the assembling position, the two clamping core rods 41 respectively contact with the two pressing sleeves and respectively push the two pressing sleeves to move towards the central needle positioned at the assembling position, and the guide grooves 11 play a role in guiding the movement of the pressing sleeves until the two pressing sleeves are respectively and accurately arranged at the two ends of the central needle, so that the assembling of the SMP-MAX connector is completed. In addition, after the pressing sleeve falls into the guide groove 11 downwards, the pressing sleeve feeding cylinder 34 drives the pushing piece 31 to move rightwards to the initial position, that is, the second air inlet 312 corresponds to the second air outlet 12 again, so that the compressed air in the pushing cavity 32 is decompressed through the second air outlet 12, and negative pressure is generated at the pressing sleeve feeding hole 313 during decompression, so that the next pressing sleeve is sucked in place; immediately after the second cycle begins, all of the structures reciprocate in the manner described above.
In this embodiment, the first feeder 21 has an adjustable position structure, which is convenient to flexibly adjust according to the needs, is suitable for series of tiny products, and can accurately feed the tiny products such as the center needle to the motion block 232; meanwhile, the moving block 232 is provided with an elastic soft buffer clamping structure, so that the moving block 232 has the functions of clamping and supporting, the moving block 232 clamps materials in the fast moving process, dislocation during assembly is avoided, assembly precision is guaranteed, and the moving block 232 has the characteristics of flexible resetting during operation, small resistance and the like. When the pressing sleeve feeding mechanism 3 presses the sleeve to push, the pushing cavity 32 of the pressing sleeve feeding mechanism forms a closed cavity, the pressing sleeve is slightly suspended by blowing air inwards, so that the resistance is reduced, the pushing sheet 31 adopts an opening pressure relief mode, and the pushing sheet 31 resets to relieve pressure to suck the pressing sleeve in place. Based on the structural design, the connector assembly machine in the embodiment effectively improves the assembly efficiency and the assembly quality of the SMP-MAX connector, reduces the quality waste rate of the assembled connector to 0.5%, and achieves the purposes of high efficiency and stable quality standardization.
In summary, the present invention effectively overcomes the disadvantages of the prior art and has high industrial utility value.
The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and are not intended to limit the invention. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (7)
1. A connector assembly machine, characterized in that: the automatic feeding device for the press sleeve comprises a frame (1), a central needle feeding mechanism (2) arranged on the frame (1), a press sleeve feeding mechanism (3) arranged on the frame (1) and a clamping mechanism (4) arranged on the frame (1), wherein the central needle feeding mechanism (2) can drive the central needle to move to an assembling position, a guide groove (11) is formed in the frame (1), the press sleeve feeding mechanism (3) can convey the press sleeve into the guide groove (11), and the clamping mechanism (4) can apply force towards the assembling position to the press sleeve positioned in the guide groove (11);
the center needle feeding mechanism (2) comprises a first feeder (21), a second feeder (22) and a third feeder (23), the second feeder (22) comprises a positioning block (222) with a positioning groove (221), the third feeder (23) comprises a moving block (232) with a clamping groove (231), the first feeder (21) can convey a center needle into the positioning groove (221), a positioning surface is arranged on one side wall of the positioning groove (221) and is used for being contacted with the center needle, the clamping groove (231) is located below the positioning groove (221), a center needle blanking opening is formed in the lower end of the positioning groove (221), a center needle receiving opening is formed in the upper end of the clamping groove (231), and the moving block (232) can drive the center needle to move to an assembling position;
the positioning block (222) is provided with a sensor (25);
the moving block (232) comprises a driving block (234) with a clamping protrusion (233), a positioning shaft (235) mounted on the driving block (234) and a clamping block (236) sleeved on the positioning shaft (235), the clamping groove (231) is located between the clamping protrusion (233) and the clamping block (236), and the clamping block (236) can move along the axial direction of the positioning shaft (235) and along the direction close to the clamping protrusion (233).
2. The connector assembly machine of claim 1, wherein: the feeding device is characterized in that a feeding channel (211) communicated with a positioning groove (221), an air inlet channel (212) communicated with the feeding channel (211) and a first air inlet (213) communicated with the air inlet channel (212) are arranged in the first feeder (21), an included angle alpha is formed between the air inlet channel (212) and the feeding channel (211), the included angle alpha is more than 0 degrees and less than 90 degrees, and a first air outlet (223) is formed in one side wall of the positioning groove (221).
3. The connector assembly machine of claim 2, wherein: the center needle feeding mechanism (2) further comprises a center needle vibration disc, the center needle vibration disc comprises a center needle track (24) with a center needle guide groove (241), and the center needle guide groove (241) is communicated with the feeding channel (211).
4. The connector assembly machine of claim 1, wherein: the positioning shaft (235) is further sleeved with a clamping spring (237), the clamping spring (237) is in contact with the clamping block (236), and the clamping spring (237) can apply elastic force to the clamping block (236) towards the clamping protrusion (233).
5. The connector assembly machine of claim 1, wherein: the pressing sleeve feeding mechanism (3) comprises a pushing sheet (31) capable of moving along the direction close to and far away from the guide groove (11), the pushing sheet (31) is positioned on the upper surface of the frame (1), a pushing groove (311) is formed in the pushing sheet (31), the pushing groove (311) is positioned above the guide groove (11), a pressing sleeve discharging opening is formed in the lower end of the pushing groove (311), and a pressing sleeve discharging opening is formed in the upper end of the guide groove (11); a pushing cavity (32) is arranged between the side wall of the pushing groove (311) and the upper surface of the frame (1), and the pushing cavity (32) is used for accommodating the pressing sleeve.
6. The connector assembly machine of claim 5, wherein: the upper side wall of the pushing groove (311) is provided with a second air inlet (312), and the upper surface of the frame (1) is provided with a second air outlet (12) communicated with the pushing groove (311);
one side wall of the pushing groove (311) is provided with a pressing sleeve feeding hole (313).
7. The connector assembly machine of claim 6, wherein: the pressing sleeve feeding mechanism (3) further comprises a pressing sleeve vibration disc, the pressing sleeve vibration disc comprises a pressing sleeve track (33) with a pressing sleeve guide groove (331), and the pressing sleeve guide groove (331) is communicated with the pressing sleeve feeding port (313).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811554892.4A CN109454453B (en) | 2018-12-18 | 2018-12-18 | Connector assembly machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811554892.4A CN109454453B (en) | 2018-12-18 | 2018-12-18 | Connector assembly machine |
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| CN109454453A CN109454453A (en) | 2019-03-12 |
| CN109454453B true CN109454453B (en) | 2024-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811554892.4A Active CN109454453B (en) | 2018-12-18 | 2018-12-18 | Connector assembly machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112276561B (en) * | 2020-12-25 | 2021-03-19 | 库卡工业自动化(昆山)有限公司 | Assembly system |
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| CN109454453A (en) | 2019-03-12 |
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