Quick assembling device for scattered pins of connector

Abstract

The utility model discloses a rapid assembling device for scattered pins of a connector. The technical scheme of the utility model is as follows: the device comprises a plastic shell positioning mechanism, a rapid clamping mechanism, a clip cutting mechanism and a variable-pitch clip mechanism, and also comprises an air gun, and the air gun can blow a plurality of loose pins formed by a broken terminal material belt into a second terminal channel from a first terminal channel of the clip cutting mechanism, and finally blow the loose pins into terminal holes on a plastic shell. The scheme provided by the utility model is high in assembly efficiency and assembly precision.

Description

Technical Field

[0001] The utility model relates to the technical field of terminal assembly jigs, in particular to a connector loose pin quick assembly device. Background Art

[0002] If the spacing of the terminals on the material strip is different from the spacing of the plastic shell holes, then these terminals, i.e., loose pins, can only be manually installed into the plastic shell one by one. This production method leads to a decrease in the overall assembly speed and an increase in production costs. Therefore, the inventor's purpose is to design a connector loose pin quick assembly device that can achieve quick assembly. Utility Model Content

[0003] In view of the deficiencies in the prior art, the main purpose of the present invention is to provide a connector loose-pin quick assembly device with high assembly efficiency and assembly precision.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a connector loose pin quick assembly device, comprising a plastic shell, and further comprising:

[0005] The molded shell positioning mechanism comprises a product positioning substrate and a pair of product positioning blocks arranged on the product positioning substrate, wherein the molded shell is arranged on the product positioning substrate;

[0006] A quick clamping mechanism includes a clamp fixing plate, a quick clamp, and a terminal fixing jig. The quick clamp is fixedly mounted on the clamp fixing plate. The terminal fixing jig includes a terminal positioning end inserted into the plastic shell and a fixed end located between the pair of product positioning blocks. The quick clamp presses the fixed end between the pair of product positioning blocks.

[0007] The clip cutting mechanism comprises a cutting clip and a cutting base, the rear end of the cutting base is provided with a lower pre-breaking pressure plate for fixing the terminal strip and an upper knife pressure plate arranged above the lower pre-breaking pressure plate and capable of abutting the terminal strip, the bottom of the cutting clip is provided with a plurality of upper strip grooves, the top of the cutting base is provided with a sunken groove, the sunken groove is provided with a plurality of lower strip grooves arranged one-to-one corresponding to the upper strip grooves, the upper strip grooves, the sunken grooves and the lower strip grooves form a first terminal channel for the terminals to pass through, the front end and the rear end of the cutting clip are respectively provided with a front slot and a rear slot, the front slot and the rear slot can be respectively inserted into the front gear and the rear gear, and the front gear and the rear gear are respectively provided with racks extending into the upper strip groove and capable of blocking the terminals;

[0008] A variable-pitch clip mechanism includes a variable-pitch clip and a clip base, the two ends of the clip base being connected to the clip cutting mechanism and the plastic case positioning mechanism, respectively. The variable-pitch clip and the clip base are provided with a second terminal channel having the same shape as the first terminal channel. The clip base is provided with a positioning groove for supporting the clip cutting mechanism. The product positioning substrate is fixedly connected to the clip base, and the terminal hole on the plastic case is connected to the second terminal channel.

[0009] An air gun is also included, which can blow multiple loose needles formed by breaking the terminal strip from the first terminal channel of the clip cutting mechanism into the second terminal channel, and finally into the terminal holes on the plastic shell.

[0010] Preferably, the product positioning substrate is provided with a spring pin located below the plastic shell and the fixed end.

[0011] Preferably, the variable-range magazine is provided with a vertical fixing screw abutting against the magazine base and a variable-range magazine limiting block for limiting the variable-range magazine.

[0012] Preferably, a limiting block abutting against the magazine cutting mechanism is provided on the positioning groove.

[0013] Compared with the prior art, the present invention has the following advantages: first, the terminal fixing jig is inserted into the plastic shell, and then the plastic shell is placed on the product positioning substrate of the plastic shell positioning mechanism, while the terminal fixing jig is located between the two product positioning blocks, and then the quick clamp is pressed down so that the quick clamp can press and fix the terminal fixing jig, wherein the terminal fixing jig includes a terminal positioning end inserted into the plastic shell and a fixed end located between a pair of product positioning blocks, and the terminal positioning end is provided with a positioning groove aligned with the terminal hole of the plastic shell, so that the terminal is supported and limited after entering the plastic shell from the terminal hole, and the fixed end is used to effectively limit and fix the plastic shell.

[0014] Then prepare the magazine cutting mechanism, fix the upper knife pressure plate to the cutting base with screws, insert the lower pre-breaking pressure plate and the rear gear into the cutting base and the cutting magazine respectively, and then insert the terminal strip into the first terminal channel. The head of the terminal is blocked by the rack of the rear gear. Then manually lift the lower pre-breaking pressure plate and push the terminal strip all the way to the upper knife pressure plate. At this time, the terminal strip is fixed, and then remove the rear gear and insert the front gear into the front slot of the cutting magazine. Then manually break the terminal strip, so that the terminals become scattered pins, which will slide along the first terminal channel to the rack of the front gear and be blocked.

[0015] Then place the magazine cutting mechanism into the positioning groove of the variable-pitch magazine mechanism. At this time, the first terminal channel and the second terminal channel are connected, remove the front gear, and then use an air gun to blow the loose needle from the first terminal channel of the magazine cutting mechanism into the second terminal channel, and finally blow it into the terminal hole on the plastic shell.

[0016] After the terminal assembly is completed, release the quick clamp and pull the terminal positioning fixture out of the plastic shell to complete the final assembly process.

[0017] This solution facilitates disassembly and assembly operations, can improve assembly efficiency and ensure assembly accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of a connector loose pin quick assembly device of the utility model Figure 1 ;

[0019] Figure 2 This is a schematic diagram of the structure of a connector loose pin quick assembly device of the utility model Figure 2 ;

[0020] Figure 3 This is a structural diagram of a molded case positioning mechanism and a quick clamping mechanism of a connector loose-pin quick assembly device of the present invention;

[0021] Figure 4 for Figure 3 The structural diagram after the plastic shell and terminal fixing fixture are omitted;

[0022] Figure 5 This is a schematic structural diagram of a terminal fixing fixture of the present invention;

[0023] Figure 6 This is a structural diagram of the variable-length magazine mechanism of the present utility model;

[0024] Figure 7 This is a structural diagram of the magazine base of the present utility model;

[0025] Figure 8 This is a schematic diagram of the structure of the magazine cutting mechanism of the present invention after omitting the upper knife pressure plate;

[0026] Figure 9 This is a schematic diagram of the structure of the magazine cutting mechanism of the present invention after omitting the upper knife pressure plate and the lower pre-breaking pressure plate;

[0027] Figure 10 This is a schematic diagram of the structure of the magazine cutting mechanism of the present invention after omitting the upper knife pressure plate, the lower pre-breaking pressure plate and the rear gear.

[0028] In the figure: 1. Plastic shell positioning mechanism; 11. Product positioning substrate; 111. Spring pin; 12. Product positioning block; 13. Plastic shell; 2. Quick clamping mechanism; 21. Fixture fixing plate; 22. Quick clamp; 23. Terminal fixing fixture; 231. Terminal positioning end; 232. Fixed end; 3. Clip cutting mechanism; 31. Cutting clip; 32. Cutting base; 33. Terminal strip; 34. Lower pre-breaking pressure plate; 35. Upper knife pressure plate; 36. Upper strip groove; 37. Sunken groove; 38. Lower strip groove; 39. First terminal channel; 310. Front gear; 311. Rear gear; 312. Rack; 4. Variable pitch clip mechanism; 41. Variable pitch clip; 411. Vertical fixing screw; 412. Variable pitch clip limit block; 42. Clip base; 43. Second terminal channel; 44. Positioning groove; 45. Limit block. DETAILED DESCRIPTION

[0029] The present invention will be further described below with reference to the accompanying drawings.

[0030] like Figure 1 As shown, a connector loose pin quick assembly device includes a plastic shell and also includes:

[0031] The molded case positioning mechanism 1 comprises a product positioning substrate 11 and a pair of product positioning blocks 12 arranged on the product positioning substrate 11, wherein the molded case 13 is arranged on the product positioning substrate 11;

[0032] The quick clamping mechanism 2 includes a fixture fixing plate 21, a quick clamp 22, and a terminal fixing fixture 23. The quick clamp 22 is fixedly arranged on the fixture fixing plate 21. The terminal fixing fixture 23 includes a terminal positioning end 231 inserted into the plastic shell 13 and a fixed end 232 located between the pair of product positioning blocks 12. The quick clamp 22 presses the fixed end 232 between the pair of product positioning blocks 12.

[0033] The clip cutting mechanism 3 includes a cutting clip 31 and a cutting base 32. The rear end of the cutting base 32 is provided with a lower pre-breaking plate 34 that can fix the terminal strip 33 and an upper knife pressing plate 35 that is arranged above the lower pre-breaking plate 34 and can abut the terminal strip 33. The bottom of the cutting clip 31 is provided with a plurality of upper strip grooves 36, and the top of the cutting base 32 is provided with a sunken groove 37. The sunken groove 37 is provided with a plurality of lower strip grooves that are arranged one by one corresponding to the upper strip grooves 36. Groove 38, the upper strip groove 36, the sunken groove 37 and the lower strip groove 38 form a first terminal channel 39 for the terminal to pass through, and the front and rear ends of the cutting clip 31 are respectively provided with a front slot and a rear slot, into which the front gear teeth 310 and the rear gear teeth 311 can be inserted respectively, and the front gear teeth 310 and the rear gear teeth 311 are respectively provided with racks 312 that extend into the upper strip groove 36 and can block the terminal; of course, the terminal strip 33 in this solution is pre-marked with a breaking line.

[0034] The variable-pitch clip mechanism 4 includes a variable-pitch clip 41 and a clip base 42. The two ends of the clip base 42 are respectively connected to the clip cutting mechanism 3 and the molded case positioning mechanism 1. The variable-pitch clip 41 and the clip base 42 are provided with a second terminal channel 43 having the same shape as the first terminal channel 39. The clip base 42 is provided with a positioning groove 44 for supporting the clip cutting mechanism 3. The product positioning substrate 11 is fixedly connected to the clip base 42. The terminal hole on the molded case is connected to the second terminal channel 43.

[0035] An air gun is also included, which can blow multiple loose needles formed by breaking the terminal strip 33 from the first terminal channel 39 of the magazine cutting mechanism 3 into the second terminal channel 43 and finally into the terminal holes on the plastic shell 13.

[0036] The present invention provides a connector loose pin quick assembly device, and its working principle is as follows: first, the terminal fixing jig 23 is inserted into the plastic shell 13, and then the plastic shell 13 is placed on the product positioning substrate 11 of the plastic shell positioning mechanism 1, and at the same time, the terminal fixing jig 23 is located between the two product positioning blocks 12, and then the quick clamp 22 is pressed down so that the quick clamp 22 can press and fix the terminal fixing jig 23, wherein the terminal fixing jig 23 includes a terminal positioning end 231 inserted into the plastic shell 13 and a fixed end 232 located between a pair of product positioning blocks 12, and the terminal positioning end 231 is provided with a positioning groove aligned with the terminal hole of the plastic shell 13, so that the terminal is supported and limited after entering the plastic shell 13 from the terminal hole, and the fixed end 232 is used to effectively limit and fix the plastic shell 13.

[0037] Then prepare the clip cutting mechanism 3, fix the upper knife pressure plate 35 to the cutting base 32 with screws, insert the lower pre-breaking pressure plate 34 and the rear gear 311 into the cutting base 32 and the cutting clip 31 respectively, and then insert the terminal strip 33 into the first terminal channel 39, and the head of the terminal is blocked by the rack of the rear gear 311, and then manually lift the lower pre-breaking pressure plate 34, and push the terminal strip 33 all the way to the upper knife pressure plate 35. At this time, the terminal strip 33 is fixed, and then remove the rear gear 311, and insert the front gear 310 into the front slot of the cutting clip 31, and then manually break the terminal strip 33, so that the terminals become scattered pins, which will slide along the first terminal channel 39 to the rack 312 of the front gear 310 and be blocked.

[0038] The magazine cutting mechanism 3 is then placed into the positioning groove 44 of the variable-pitch magazine mechanism 4. At this point, the first terminal channel 39 and the second terminal channel 43 are connected. The front gear 310 is removed, and then the loose needles are blown from the first terminal channel 39 of the magazine cutting mechanism 3 into the second terminal channel 43 and finally into the terminal hole on the plastic case 13 using an air gun. The structure and principle of the air gun are prior art and will not be described in detail in this solution.

[0039] After the terminal assembly is completed, the quick clamp 22 is released and the terminal positioning fixture is pulled out of the plastic shell 13 to complete the final assembly process.

[0040] This solution facilitates disassembly and assembly operations, can improve assembly efficiency and ensure assembly accuracy.

[0041] Preferably, the product positioning substrate 11 is provided with a spring pin 111 located below the plastic shell and the fixed end 232 .

[0042] The function of the spring pin 111 is to support the plastic shell 13 and the fixed end 232 .

[0043] Preferably, the variable-range clip 41 is provided with a vertical fixing screw 411 abutting against the clip base 42 and a variable-range clip limiting block 412 that limits the variable-range clip 41 .

[0044] The variable-range magazine limit block 412 can limit the front and rear positions of the variable-range magazine 41 by sliding on the magazine base 42 .

[0045] Preferably, a limiting block 45 is provided on the positioning groove 44 and abuts against the magazine cutting mechanism 3 .

[0046] The function of the limiting block 45 is to block and limit the magazine cutting mechanism 3 .

[0047] The above description is merely a preferred embodiment of the present invention. The scope of protection of the present invention is not limited to the above embodiment. All technical solutions based on the concept of the present invention are within the scope of protection of the present invention. It should be noted that for those skilled in the art, certain improvements and modifications that do not depart from the principles of the present invention should also be considered within the scope of protection of the present invention.

Claims

1. A connector loose pin quick assembly device, comprising a plastic shell, characterized in that: Also includes: The molded shell positioning mechanism comprises a product positioning substrate and a pair of product positioning blocks arranged on the product positioning substrate, wherein the molded shell is arranged on the product positioning substrate; A quick clamping mechanism includes a clamp fixing plate, a quick clamp, and a terminal fixing jig. The quick clamp is fixedly mounted on the clamp fixing plate. The terminal fixing jig includes a terminal positioning end inserted into the plastic shell and a fixed end located between the pair of product positioning blocks. The quick clamp presses the fixed end between the pair of product positioning blocks. The clip cutting mechanism comprises a cutting clip and a cutting base, the rear end of the cutting base is provided with a lower pre-breaking pressure plate for fixing the terminal strip and an upper knife pressure plate arranged above the lower pre-breaking pressure plate and capable of abutting the terminal strip, the bottom of the cutting clip is provided with a plurality of upper strip grooves, the top of the cutting base is provided with a sunken groove, the sunken groove is provided with a plurality of lower strip grooves arranged one-to-one corresponding to the upper strip grooves, the upper strip grooves, the sunken grooves and the lower strip grooves form a first terminal channel for the terminals to pass through, the front end and the rear end of the cutting clip are respectively provided with a front slot and a rear slot, the front slot and the rear slot can be respectively inserted into the front gear and the rear gear, and the front gear and the rear gear are respectively provided with racks extending into the upper strip groove and capable of blocking the terminals; A variable-pitch clip mechanism includes a variable-pitch clip and a clip base, the two ends of the clip base being connected to the clip cutting mechanism and the plastic case positioning mechanism, respectively. The variable-pitch clip and the clip base are provided with a second terminal channel having the same shape as the first terminal channel. The clip base is provided with a positioning groove for supporting the clip cutting mechanism. The product positioning substrate is fixedly connected to the clip base, and the terminal hole on the plastic case is connected to the second terminal channel. An air gun is also included, which can blow multiple loose needles formed by breaking the terminal strip from the first terminal channel of the clip cutting mechanism into the second terminal channel, and finally into the terminal holes on the plastic shell.

2. A connector loose pin quick assembly device according to claim 1, characterized in that: The product positioning substrate is provided with a spring pin located below the plastic shell and the fixed end.

3. The connector loose pin quick assembly device according to claim 1, characterized in that: The variable-range magazine is provided with a vertical fixing screw abutting against the magazine base and a variable-range magazine limiting block for limiting the variable-range magazine.

4. A connector loose pin quick assembly device according to claim 1, characterized in that: The positioning groove is provided with a limiting block which abuts against the magazine cutting mechanism.

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