CN107732634B - Joint press-fitting equipment and press-fitting method - Google Patents
Joint press-fitting equipment and press-fitting method Download PDFInfo
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- CN107732634B CN107732634B CN201711032138.XA CN201711032138A CN107732634B CN 107732634 B CN107732634 B CN 107732634B CN 201711032138 A CN201711032138 A CN 201711032138A CN 107732634 B CN107732634 B CN 107732634B
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000003825 pressing Methods 0.000 claims abstract description 98
- 230000001360 synchronised effect Effects 0.000 abstract description 3
- 230000003139 buffering effect Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- RRLHMJHRFMHVNM-BQVXCWBNSA-N [(2s,3r,6r)-6-[5-[5-hydroxy-3-(4-hydroxyphenyl)-4-oxochromen-7-yl]oxypentoxy]-2-methyl-3,6-dihydro-2h-pyran-3-yl] acetate Chemical compound C1=C[C@@H](OC(C)=O)[C@H](C)O[C@H]1OCCCCCOC1=CC(O)=C2C(=O)C(C=3C=CC(O)=CC=3)=COC2=C1 RRLHMJHRFMHVNM-BQVXCWBNSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/02—Connectors or connections adapted for particular applications for antennas
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Automatic Assembly (AREA)
Abstract
The invention discloses a joint press-fitting device and a press-fitting method, wherein the press-fitting device comprises: a base, a supporting platform and a vertical seat; the sliding seat is connected with the vertical seat and can be driven by the driving mechanism to lift along the vertical seat; the positioning plate is arranged on the supporting platform and provided with a groove for fixing the joint to be pressed; the pressing head, the first limiting rod and the second limiting rod are all fixed on the sliding seat, and the pressing head is provided with at least two grooves which are opposite to the grooves; the first limiting block is slidably arranged on the supporting platform and can slide to the position right below the first limiting rod under the driving of the driving mechanism, and the first limiting block is used for limiting the first pressing depth of the pressing head; the second limiting block is fixedly arranged on the supporting platform and is opposite to the second limiting rod and used for limiting the second pressing depth of the pressing head, and the second pressing depth is larger than the first pressing depth. Through controlling different depths of impressing and synchronous control a plurality of pressure heads, not only guarantee reasonable depth of impressing and good product quality, improve pressure equipment efficiency simultaneously.
Description
Technical Field
The invention relates to the technical field of mobile communication, in particular to joint press-fitting equipment and a press-fitting method.
Background
Base station antennas are widely applied to mobile communication engineering, and stability of antenna quality is directly related to the self-cutting experience of each user. The quality of the processing and assembly quality of the main feeder line joint for connecting the antenna and the base station main equipment also influences whether the antenna performance index can reach the standard.
Conventionally, for the machining and assembly of the main feeder joint, a center contact assembly is manually welded on a resistance welder, and the center contact assembly is pressed into an outer conductor by a manual press after welding. The labor intensity of manual operation is high, the operation speed and the pressure are inconsistent during assembly, and the pressing depth and the matching quality of the central contact assembly of the joint are directly influenced, so that the electrical performance indexes of the joint are influenced, and even the joint is disqualified.
Disclosure of Invention
In view of the above problems, the invention provides a joint press-fitting device which can select different press-fitting depths and synchronously control a plurality of press heads, thereby not only ensuring reasonable press-fitting depths and excellent product quality, but also improving press-fitting efficiency.
In addition, the invention also provides a press-fitting method for press-fitting the joint by using the equipment, and the press-fitting depth of the joint is controlled to meet the press-fitting requirements of different joints by adjusting the gear selection key to select primary press-fitting or secondary press-fitting for joints of different specifications.
The invention provides a joint press-fitting device, comprising: the rack comprises a base, a supporting platform and a vertical seat arranged above the supporting platform; the sliding seat is connected with the vertical seat and can be driven by the driving mechanism to lift along the vertical seat; the positioning plate is arranged on the supporting platform and provided with a groove for fixing the joint to be pressed; the pressing head, the first limiting rod and the second limiting rod are all fixed on the sliding seat, and the pressing head is provided with at least two grooves which are opposite to the positioning plate; the first limiting block is slidably arranged on the supporting platform and can slide to the position right below the first limiting rod under the driving of the driving mechanism, and the first limiting block is used for limiting the first pressing depth of the pressing head; the second limiting block is fixedly arranged on the supporting platform and is opposite to the second limiting rod, and the second limiting block is used for limiting the second pressing depth of the pressing head; wherein the second press-in depth is greater than the first press-in depth.
Further, the driving mechanism comprises a press-fit cylinder for driving the sliding seat to lift and a limit cylinder for driving the first limit block to horizontally move.
Preferably, the driving mechanism further includes: and the speed adjusting device is respectively connected with the press-fit cylinder and the limiting cylinder and is used for realizing stepless speed adjustment of the press-fit cylinder and the limiting cylinder.
Further, the press-fitting apparatus further includes: an electrical control system including a gear selection key and a start key; when the gear selection key is adjusted to a one-time press-fit gear, the starting key is used for controlling the press-fit cylinder to drive the sliding seat to lift; when the gear selection key is adjusted to a secondary press-fitting gear, the starting key is used for controlling the limiting cylinder to drive the first limiting block to move and controlling the press-fitting cylinder to drive the sliding seat to lift.
Preferably, the press-fitting apparatus further includes: the wire clamp is arranged on the cross beam of the base and fixed on the cross beam; the beam is arranged below the positioning plate, is movably connected with the base and is used for adjusting the vertical distance between the beam and the positioning plate; the wire clamps are in one-to-one correspondence with the pressure heads and are used for flexibly connecting cables connected with the connectors.
Preferably, the first stop lever includes a main body portion connected to the slide seat in an up-down adjustable manner, a guide sleeve sleeved at the tail end of the main body portion, and a spring accommodated in the guide sleeve, wherein the spring is used for buffering impact force generated when the guide sleeve is pressed against the first stop block.
Preferably, the second limiting rod is connected to the sliding seat in an up-down adjustable manner, and the second limiting block is located under the second limiting rod and is detachably fixed to the supporting platform.
Further, the pressing head comprises a fixing part used for being fixed with the sliding seat and a pressing part connected with the fixing part, and the end part of the pressing part can be pressed into the groove.
Preferably, the pressure head comprises at least one of a straight-through pressure head, a step pressure head and an adjustable pressure head; the straight-through pressure head only comprises the fixing part and the pressing part; the stepped pressure head further comprises a step arranged on the pressing part, and the cross section of the step is larger than that of the groove; the adjustable pressure head also comprises an adjusting part sleeved on the outer sides of the fixing part and the compressing part, the adjusting part can drive the compressing part to move radially relative to the fixing part, and the cross section of the adjusting part is larger than that of the groove.
Correspondingly, the invention also provides a method for pressing the joint based on the joint pressing equipment, which comprises the following steps: selecting one-time press fitting, and placing the joint to be press fitted and the guide sleeve on the positioning plate; starting a switch, and finishing one-time press fitting by descending the pressure head; the pressing head ascends, the joint and the guide sleeve are taken out, and the press fitting is completed; repeating the steps to finish the press fitting of other joints; or, selecting secondary press fitting, and placing the joint to be press fitted and the guide sleeve on the positioning plate; starting the switch, enabling the first limiting block to slide to be right below the first limiting rod, enabling the pressure head to descend, and finishing first press-fitting at a first press-in depth; the pressing head rises, and the first limiting block resets; taking out the guide sleeve, starting the switch again, and lowering the pressure head to finish the second press-fitting with the second press-in depth; the pressing head rises, the joint is taken out, and the press fitting is completed; repeating the steps to finish the press fitting of other joints.
Preferably, the pressure head used for selecting the secondary press fitting comprises any one of a straight-through pressure head, a step pressure head and an adjustable pressure head, and when the step pressure head is used, the pressure head should further comprise: removing the second limiting block; when the adjustable pressure head is adopted, the first start switch should further comprise: and removing the second limiting block, adjusting the adjusting part according to the pressing depth, and changing the length of the pressing part extending out of the adjusting part.
Compared with the prior art, the joint press-fitting equipment provided by the invention has the following beneficial effects:
(1) The first press-in depth of the pressure head is limited through the cooperation of the first limiting rod and the first limiting block, and the second press-in depth of the pressure head is limited through the cooperation of the second limiting rod and the second limiting block, so that the joint press-in equipment has different press-in depths, and press-in requirements of joints with different specifications are met.
(2) One joint press-fitting device controls the synchronous press-fitting of at least two pressure heads, so that the press-fitting efficiency can be improved.
(3) The driving mechanism comprises a press-fitting air cylinder, a limiting air cylinder and a speed adjusting device which is respectively connected with the two air cylinders, so that the stepless speed adjustment of the two air cylinders can be realized, and the press-fitting process is stable and reliable.
(4) The base below the locating plate is provided with the cross beam with adjustable height, the cross beam is provided with the wire clamps corresponding to the pressure heads one by one, and the wire clamps are used for flexibly fixing the cables connected with the connectors, so that the connectors are conveniently fixed, and the press mounting work is stably carried out.
(5) The first limiting rod comprises a main body part which is connected with the sliding seat in an up-down adjustable way, a guide sleeve which is arranged at the tail end of the main body part, and a spring which is accommodated in the guide sleeve; the main body part is adjusted up and down, so that the distance of the first pressing depth can be finely adjusted; the spring is used for buffering the impact force of the guide sleeve and the first limiting block during the pressing, so that the loss of the first limiting rod is reduced, the service life of the first limiting rod is prolonged, and the equipment maintenance cost is reduced.
(6) The second limiting rod is connected with the sliding seat in an up-down adjustable manner, and the second limiting block is positioned right below the second limiting rod and is detachably fixed on the supporting platform; the second limiting rod is adjusted up and down, and the second limiting block is disassembled, assembled and replaced to be high, so that the second pressing depth can be adjusted, and the universality of the equipment is high.
The joint press-fitting method provided by the invention has the following beneficial effects:
(1) According to connectors with different specifications, the first press fitting or the second press fitting can be selected by adjusting the gear selection key, so that the press fitting requirements of different connectors are met.
(2) The second press fitting in the second press fitting can adopt the second limiting rod and the second limiting block to limit the second press fitting depth of the press head in a matched mode, and can also adopt the press fitting depth limited by the step press head and the positioning plate in a matched mode, the method is flexible and changeable, fatigue loss of accessories in long-time work can be reduced, the service life of the accessories is prolonged, and the equipment maintenance cost is reduced.
(3) The adjustable pressure head is adopted, the length of the pressing part extending out of the adjusting part is changed through adjusting the adjusting part, and then the pressing depth is changed, so that the adjustable pressure head is applicable to primary press fitting and secondary press fitting, and has strong universality, and the operation of changing the pressure head is avoided.
These and other aspects of the invention will be more readily apparent from the following description of the embodiments.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic perspective view of a joint press-fitting apparatus according to an embodiment of the present invention;
FIG. 2 is an enlarged partial view of portion A of the joint press-fitting apparatus of FIG. 1 according to the present invention;
FIG. 3 is a schematic diagram showing a front structure of a joint press-fitting apparatus according to an embodiment of the present invention;
FIG. 4 is an enlarged partial view of portion B of the joint press-fitting apparatus of FIG. 3 according to the present invention;
FIG. 5 is a schematic side view of a joint press-fitting apparatus according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a wire clip of a joint press-fitting apparatus according to an embodiment of the present invention
FIG. 7 is a schematic view of a straight-through ram of a joint press-fitting apparatus according to an embodiment of the present invention;
FIG. 8 is a schematic view of a stepped ram of a joint press-fitting apparatus according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of an adjustable ram of a joint press apparatus according to an embodiment of the present invention.
Detailed Description
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
Referring to fig. 1 to 5, the present invention provides a joint press-fitting apparatus for synchronously controlling a press-in depth, comprising: the device comprises a frame 1, a sliding seat 2, a first limiting mechanism 3, a second limiting mechanism 4, a pressing head 5, a positioning plate 6, a driving mechanism and an electrical control system.
The frame is a frame body made of sectional materials and comprises a base 11, a supporting platform 12 and a vertical seat 13 arranged above the supporting platform 12. The base 11 is provided with a mounting box of an electrical control system in addition to the supporting device body. For easy handling, a handle 121 is fixed to the support platform 12. The stand 13 includes a left stand 131, a right stand 132, a front cover 133, a rear cover 134, a fixing plate (not shown) provided in a space defined by the stand (left stand 131, right stand 132) and a cover body (front cover 133, rear cover 134), and a linear guide (not shown) fixed to the fixing plate.
The sliding seat 2 is connected to the vertical seat 13 and can be driven by a driving mechanism to lift along a linear guide rail of the vertical seat 13. Which comprises positioning holes (not shown) for fixing the ram 5 and the limit mechanism part structures, respectively.
The first limiting mechanism comprises a first limiting rod 31 and a first limiting block 32. The first limiting rod 31 is fixed on the sliding seat 2; the first limiting block 32 is slidably disposed on the supporting platform 12, and is driven by the driving mechanism to slide to a position right below the first limiting rod 31, so as to limit the first pressing depth of the pressing head 5.
The second limiting mechanism comprises a second limiting rod 41 and a second limiting block 42. The second limiting rod 41 is fixed on the sliding seat 2; the second limiting block is fixedly arranged on the supporting platform 12 and is opposite to the second limiting rod 41, and is used for limiting the second pressing depth of the pressing head 5.
The second indentation depth is greater than the first indentation depth. Specifically, the vertical distance between the first limiting rod 31 and the first limiting block 32 is smaller than the vertical distance between the second limiting rod 41 and the second limiting block 42, so that the second pressing depth is larger than the first pressing depth. In this embodiment, the first limiting rod 31 is disposed directly behind the second limiting rod 41, the first limiting block 32 is disposed directly behind the second limiting block 42, and the height of the first limiting block 32 is higher than that of the second limiting block 42 and can move back and forth to determine what pressing depth is adopted by the pressing head 5.
Referring to fig. 7, the ram 5 is fixed to the slide 2 through the positioning hole, and includes a fixing portion 51 for fixing to the slide 2 and a pressing portion 52 connected to the fixing portion 51. Wherein, the pressure head 5 is provided with at least two and is opposite to the positioning plate 6.
Referring to fig. 1, the positioning plate 6 is disposed on the supporting platform 12 for fixing the joint to be pressed. Specifically, the positioning plate 6 is fixed on the support platform 12 through a left support 123, a right support 124 and a middle support 125, and a step-shaped groove 61 for placing the joint is arranged between the middle support 125 and the other two supports (the left support 123 and the right support 124) and opposite to the pressing head 5, the groove 61 is a through groove penetrating through the upper surface and the lower surface of the positioning plate 6, and comprises a first concave part and a second concave part which are arranged up and down, and the cross section of the first concave part is larger than that of the second concave part, so that the first concave part is in a step shape; the cross section of the pressing part 52 is smaller than that of the first concave part and larger than that of the second concave part, so that the end part of the pressing part 52 can be pressed into the groove 61 but cannot pass through the groove to press the joint. The number of the grooves 61 is the same as that of the pressure heads 5, and the centers of the grooves and the pressure heads are positioned on the same straight line. Preferably, the pressing portion 52 is a cylinder, and the first recess portion is a cylindrical recess, and the two are concentrically arranged. The front part of the groove 61 is provided with a U-shaped opening for placing the connector and the cable.
The driving mechanism includes a press-fitting cylinder 71 for driving the slide 2 to move up and down, a limit cylinder 72 for driving the first limit block 32 to move horizontally, a speed adjusting device (not shown) connected to the press-fitting cylinder 71 and the limit cylinder 72, respectively, and a buffer device (not shown) connected to the press-fitting cylinder 71. The press-fitting air cylinder 71 is connected with the frame through an air cylinder fixing plate 14, and drives the sliding seat 3 to move up and down along the linear guide rail through a first connecting block 15 and a second connecting block 16. The limiting cylinder 72 is fixed on the supporting platform 12, and drives the first limiting block 32 to slide back and forth on the supporting platform 12 through the third connecting block 17. The speed adjusting device can realize stepless adjustment of the speed of the air cylinder. The buffer device can avoid impact, and the press-fitting is stable when the press-fitting cylinder 71 is at the end of the up-and-down stroke.
The electrical control system comprises a power switch 80, a gear selection key 81 and a start key 82; when the gear selection key 81 is adjusted to a primary press-fitting gear, the start key 82 is used for controlling the press-fitting cylinder 71 to drive the slide seat 2 to lift; when the gear selection key 81 is adjusted to the secondary press-fit gear, the start key 82 is used for controlling the limiting cylinder 72 to drive the first limiting block 31 to move and controlling the press-fit cylinder 71 to drive the sliding seat 2 to lift.
In this embodiment, the press-fitting apparatus 100 further includes: a cross beam 18 provided to the base 11, and a wire clip 9 fixed to the cross beam 18. The beam 18 is arranged below the positioning plate 6, is movably connected with the base 11, and is used for adjusting the vertical distance between the beam and the positioning plate 6; the wire clamps 9 are in one-to-one correspondence with the pressure heads 5 and are used for flexibly fixing cables (not shown) connected with the connectors. Referring to fig. 6, the wire clip 9 is fixed on the beam 18 by a threaded connection, and includes a clip seat 91, a pin 92, a clip body 93 and a spring 94, and the force of flexible fixation can be achieved by the spring 94.
Preferably, the first stopper rod 31 includes a main body 311 vertically adjustably connected to the slider 2, a guide sleeve 312 sleeved at the end of the main body 311, and a spring (not shown) accommodated in the guide sleeve 312, wherein the spring is used for buffering an impact force when the guide sleeve 312 is pressed against the first stopper 32. As a specific embodiment, the main body 311 may be fixed on the slide 2 through a threaded connection, and the height of the first stop lever 31 may be adjusted through a threaded penetration depth.
Preferably, the second limiting rod 41 is connected to the slide 2 in an up-down adjustable manner, and the second limiting block 42 is located directly under the second limiting rod 41 and is detachably fixed to the support platform 12. As a specific embodiment, the second stop lever 41 may be fixed on the slide 2 by a threaded connection, and the height of the second stop lever 41 may be adjusted by the depth of penetration of the threads. The second limiting block 42 is fixed to the support platform 12 through a screw 43 at the bottom.
Referring to fig. 7 to 9, the ram 5 includes: a straight-through ram 501, a stepped ram 502 and an adjustable ram 503. The through-type pressure head 501 only includes the fixing portion 51 and the pressing portion 52, which may be integrally provided or may be mutually assembled. The stepped ram 502 further includes a step 53 (see fig. 8) provided to the pressing portion 52, the step 53 having a cross section larger than that of the groove 61; the fixing portion 51 and the pressing portion 52 may be integrally provided or may be assembled with each other, and the step 53 and the pressing portion 52 may be integrally provided or may be assembled with each other. The adjustable pressure head 503 further includes an adjusting portion 54 disposed between the fixing portion 51 and the pressing portion 52, where the adjusting portion 54 may drive the pressing portion 52 to move radially, and the cross section of the bottom is larger than the cross section of the groove 61. Preferably, an annular protrusion 62 is disposed on the upper surface of the positioning plate 6 and around the recess 61, so as to be pressed against the step 53 or the adjusting portion 54.
Referring to fig. 9, a spring 57 is disposed between the pressing portion 52 of the adjustable pressing head 503 and the fixing portion 51 for pressing, and the adjustable pressing head further includes a first fixing screw 55 and a second fixing screw 56. The adjusting part 54 is limited on the fixing part 51 by the conical surface of the first fixing screw 55 so that it can rotate but cannot be removed axially; the pressing part 52 is matched with the second fixing screw 56 through a sliding groove, so that the pressing part can only axially move and cannot rotate; the screw thread inside the adjusting portion 54 is connected with the compressing portion 52, and the adjusting portion 54 rotates to drive the compressing portion 52 to axially move. The adjusting part 54 further includes a scale ring 541 provided with scale marks for observing an adjustment distance of the adjusting part 54.
Preferably, a partition (not shown) is provided below the cylinder fixing plate 14 to increase strength, and for safety protection, the front sides of the slide 2 and the stand 12 are provided with a first shield 21 and a second shield 122, respectively.
Correspondingly, the invention also provides a press-fitting method for press-fitting the joint based on the joint press-fitting equipment, which comprises the following steps of:
adjusting a gear selection key to a first press fitting gear, and placing a joint to be press fitted and a guide sleeve on a positioning plate by adopting a straight-through pressure head to flexibly fix a cable on the wire clamp;
Pressing a start key, descending the pressure head, pressing a second limiting rod against a second limiting block, stopping descending the pressure head, and finishing one-time press fitting;
The pressing head ascends, the joint and the guide sleeve are taken out, and the press fitting is completed;
repeating the steps to finish the press fitting of other joints.
The method for pressing the joint can also comprise the following steps:
The gear selection key is adjusted to a secondary press fitting gear, a straight-through pressure head is adopted, a joint to be press fitted and a guide sleeve are arranged on a positioning plate, and a cable is flexibly fixed on a wire clamp;
pressing a start key, enabling a first limiting block to slide to be right below a first limiting rod, enabling a pressure head to descend, enabling the first limiting rod to prop against the first limiting block, enabling the pressure head to stop descending, and completing first press-fitting at a first press-in depth;
The pressing head ascends, the first limiting block resets, and the guide sleeve is taken out;
pressing a start key, enabling the pressure head to descend, enabling the second limiting rod to prop against the second limiting block, stopping descending of the pressure head, and finishing second press-fitting at a second press-in depth;
the pressing head rises, the joint is taken out, and the press fitting is completed;
repeating the steps to finish the press fitting of other joints.
The method for pressing the joint can also comprise the following steps:
Adjusting the gear selection key to a secondary press fitting gear, removing the second limiting block, and flexibly fixing the cable on the cable clamp by adopting a step-type pressure head to place the joint to be press fitted and the guide sleeve on the positioning plate;
pressing a start key, enabling a first limiting block to slide to be right below a first limiting rod, enabling a pressure head to descend, enabling the first limiting rod to prop against the first limiting block, enabling the pressure head to stop descending, and completing first press-fitting at a first press-in depth;
The pressing head ascends, the first limiting block resets, and the guide sleeve is taken out;
Pressing a start key, and lowering the pressure head until the step part presses the positioning plate to finish the second press fitting;
the pressing head rises, the joint is taken out, and the press fitting is completed;
repeating the steps to finish the press fitting of other joints.
As another press-fitting method, the straight-through type press head or the stepped press head in the above-described various press-fitting methods may be replaced with an adjustable press head; and the length of the compressing part extending out of the adjusting part is changed according to the pressing depth. Specifically, the method comprises the following steps: the fixing screw is loosened, the adjusting part is twisted, the adjusting part rotates to drive the compressing part to axially move, the scale of the adjusting part is adjusted to a specified position according to the requirement, and then the fixing screw is locked. The structure of the adjustable pressure head can be adopted to cope with various special situations.
Compared with the prior art, the joint press-fitting equipment provided by the invention has the following advantages:
(1) The first press-in depth of the pressure head is limited through the cooperation of the first limiting rod and the first limiting block, and the second press-in depth of the pressure head is limited through the cooperation of the second limiting rod and the second limiting block, so that the joint press-in equipment has different press-in depths, and press-in requirements of joints with different specifications are met.
(2) One joint press-fitting device controls the synchronous press-fitting of at least two pressure heads, so that the press-fitting efficiency can be improved.
(3) The driving mechanism comprises a press-fitting air cylinder, a limiting air cylinder and a speed adjusting device which is respectively connected with the two air cylinders, so that the stepless speed adjustment of the two air cylinders can be realized, and the press-fitting process is stable and reliable.
(4) The base below the locating plate is provided with the cross beam with adjustable height, the cross beam is provided with the wire clamps corresponding to the pressure heads one by one, and the wire clamps are used for flexibly fixing the cables connected with the connectors, so that the connectors are conveniently fixed, and the press mounting work is stably carried out.
(5) The first limiting rod comprises a main body part which is connected with the sliding seat in an up-down adjustable way, a guide sleeve which is arranged at the tail end of the main body part, and a spring which is accommodated in the guide sleeve; the main body part is adjusted up and down, so that the distance of the first pressing depth can be finely adjusted; the spring is used for buffering the impact force of the guide sleeve and the first limiting block during the pressing, so that the loss of the first limiting rod is reduced, the service life of the first limiting rod is prolonged, and the equipment maintenance cost is reduced.
(6) The second limiting rod is connected with the sliding seat in an up-down adjustable manner, and the second limiting block is positioned right below the second limiting rod and is detachably fixed on the supporting platform; the second limiting rod is adjusted up and down, and the second limiting block is disassembled, assembled and replaced to be high, so that the second pressing depth can be adjusted, and the universality of the equipment is high.
The joint press-fitting method provided by the invention has the following advantages:
(1) According to connectors with different specifications, the first press fitting or the second press fitting can be selected by adjusting the gear selection key, so that the press fitting requirements of different connectors are met.
(2) The second press fitting in the second press fitting can adopt the second limiting rod and the second limiting block to limit the second press fitting depth of the press head in a matched mode, and can also adopt the press fitting depth limited by the step press head and the positioning plate in a matched mode, the method is flexible and changeable, fatigue loss of accessories in long-time work can be reduced, the service life of the accessories is prolonged, and the equipment maintenance cost is reduced.
(3) The adjustable pressure head is adopted, the length of the pressing part extending out of the adjusting part is changed through adjusting the adjusting part, and then the pressing depth is changed, so that the adjustable pressure head is applicable to primary press fitting and secondary press fitting, and has strong universality, and the operation of changing the pressure head is avoided.
While certain embodiments of the present invention have been described in detail, those skilled in the art will appreciate that the present invention is not limited to the specific embodiments and applications described herein.
Claims (9)
1. A joint press-fitting apparatus, comprising:
the rack comprises a base, a supporting platform and a vertical seat arranged above the supporting platform;
The sliding seat is connected with the vertical seat and can be driven by the driving mechanism to lift along the vertical seat;
The positioning plate is arranged on the supporting platform and provided with a groove for fixing the joint to be pressed;
the pressing head, the first limiting rod and the second limiting rod are all fixed on the sliding seat, and the pressing head is provided with at least two grooves which are opposite to the positioning plate;
The first limiting block is slidably arranged on the supporting platform and can slide to the position right below the first limiting rod under the driving of the driving mechanism, and the first limiting block is used for limiting the first pressing depth of the pressing head;
the second limiting block is fixedly arranged on the supporting platform and is opposite to the second limiting rod, and the second limiting block is used for limiting the second pressing depth of the pressing head;
wherein the second press-in depth is greater than the first press-in depth;
The pressing head comprises a fixing part and a pressing part, the fixing part is used for fixing the sliding seat, the pressing part is connected with the fixing part, and the end part of the pressing part can be pressed into the groove;
The pressure head comprises at least one of a straight-through pressure head, a step pressure head and an adjustable pressure head; the straight-through pressure head comprises the fixing part and the pressing part; the stepped pressure head comprises the fixing part, the pressing part and a step arranged on the pressing part, and the cross section of the step is larger than that of the groove; the adjustable pressure head comprises a fixing part, a pressing part and an adjusting part sleeved on the outer side of the fixing part and the pressing part, the adjusting part can drive the pressing part to move radially relative to the fixing part, and the cross section of the adjusting part is larger than that of the groove.
2. The joint press-fitting apparatus according to claim 1, wherein the driving mechanism includes a press-fitting cylinder for driving the slider to rise and fall and a limit cylinder for driving the first limit block to move horizontally.
3. The joint press-fitting apparatus according to claim 2, wherein the driving mechanism further includes: and the speed adjusting device is respectively connected with the press-fit cylinder and the limiting cylinder and is used for realizing stepless speed adjustment of the press-fit cylinder and the limiting cylinder.
4. A joint press-fitting apparatus according to claim 2 or 3, further comprising:
An electrical control system including a gear selection key and a start key;
When the gear selection key is adjusted to a one-time press-fit gear, the starting key is used for controlling the press-fit cylinder to drive the sliding seat to lift;
When the gear selection key is adjusted to a secondary press-fitting gear, the starting key is used for controlling the limiting cylinder to drive the first limiting block to move and controlling the press-fitting cylinder to drive the sliding seat to lift.
5. The joint press-fitting apparatus according to claim 1, further comprising:
The wire clamp is arranged on the cross beam of the base and fixed on the cross beam;
the beam is arranged below the positioning plate, is movably connected with the base and is used for adjusting the vertical distance between the beam and the positioning plate;
The wire clamps are in one-to-one correspondence with the pressure heads and are used for flexibly fixing cables connected with the connectors.
6. The joint press-fitting apparatus according to claim 1, wherein the first stopper rod includes a main body portion connected to the slide base so as to be vertically adjustable, a guide sleeve fitted to a distal end of the main body portion, and a spring accommodated in the guide sleeve, the spring being configured to buffer an impact force when the guide sleeve is pressed against the first stopper.
7. The joint press-fitting apparatus according to claim 1 or 6, wherein the second stopper rod is connected to the slider in an up-down adjustable manner, and the second stopper is located directly under the second stopper rod and detachably fixed to the support platform.
8. A method of performing joint press fitting based on the joint press fitting apparatus according to any one of claims 1 to 7, comprising the steps of:
Selecting one-time press fitting, and placing the joint to be press fitted and the guide sleeve on the positioning plate; starting a switch, and finishing one-time press fitting by descending the pressure head; the pressing head ascends, the joint and the guide sleeve are taken out, and the press fitting is completed; repeating the steps to finish the press fitting of other joints; or alternatively, the first and second heat exchangers may be,
Selecting secondary press fitting, and placing the joint to be press fitted and the guide sleeve on the positioning plate; starting the switch, enabling the first limiting block to slide to be right below the first limiting rod, enabling the pressure head to descend, and finishing first press-fitting at a first press-in depth; the pressing head rises, and the first limiting block resets; taking out the guide sleeve, starting the switch again, and lowering the pressure head to finish the second press-fitting with the second press-in depth; the pressing head rises, the joint is taken out, and the press fitting is completed; repeating the steps to finish the press fitting of other joints.
9. The method of claim 8, wherein selecting a ram for the secondary press fitting comprises any one of a straight-through ram, a stepped ram, and an adjustable ram,
When the step-type pressure head is adopted, the switch should also comprise: removing the second limiting block;
When the adjustable pressure head is adopted, the switch is started for the first time and then the switch comprises: and removing the second limiting block, adjusting the adjusting part according to the pressing depth, and changing the length of the pressing part extending out of the adjusting part.
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| CN201711032138.XA CN107732634B (en) | 2017-10-30 | 2017-10-30 | Joint press-fitting equipment and press-fitting method |
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| CN201711032138.XA CN107732634B (en) | 2017-10-30 | 2017-10-30 | Joint press-fitting equipment and press-fitting method |
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| CN107732634B true CN107732634B (en) | 2024-04-26 |
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| CN113725697A (en) * | 2021-07-16 | 2021-11-30 | 宁波考比锐特智能科技有限公司 | Automatic assembly equipment for thermocouple cathode lead |
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| EP0564411A1 (en) * | 1992-04-01 | 1993-10-06 | Kirsten Kabeltechnik Ag | Device for crimping connectors on bets of stripped lines and/or for stripping electrical or optical lines |
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| CN107732634A (en) | 2018-02-23 |
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