CN115000775A - Crimping mould of right angle terminal - Google Patents

Abstract

The invention discloses a crimping die of a right-angle terminal, which relates to the technical field of terminal crimping and comprises the following components: the terminal crimping device comprises an outer shell component and an inner shell component, wherein the inner shell component is installed inside the outer shell component, and a transmission mechanism with a power transmission function and a crimping mechanism with a terminal crimping function are respectively arranged inside the outer shell component and the inner shell component. The invention has reasonable design structure, can drive each sliding block to approach to the middle part when two guide rails vertically slide downwards, further enables each sliding block to respectively push the upper sliding rail and the three lower sliding rails to move, further enables the upper sliding rail and the three lower sliding rails to push the first crimping core and the three second crimping cores by means of self inclined surfaces, and completes the crimping action of the terminal under the action of the three lower sliding rails and the first crimping core together, thereby crimping the terminal as a conventional terminal without additional action, greatly improving the crimping efficiency of the terminal and ensuring the consistency of the crimping quality.

Description

Crimping mould of right angle terminal

Technical Field

The invention relates to the technical field of terminal crimping, in particular to a crimping die for a right-angle terminal.

Background

The terminal crimping is one of the most important links in the wire harness production process, and is used as a main tool for realizing the terminal crimping: the crimping die plays an irreplaceable role in the wire harness industry, and directly influences the connection quality, stability and reliability of wire harness products. However, with a terminal, the working area and the area to be crimped are 90 degrees, and the terminal is often required to be rotated by a certain angle after being placed in during crimping, and the crimping mode requires extra actions, so that the consistency of crimping quality is difficult to ensure, and the crimping efficiency of the terminal is reduced.

The present applicant filed and granted a utility model patent entitled "a die precision adjustment disc mechanism" with the application number CN202021887337, previously filed and issued a hanger assembly for crimping dies of right angle terminals. The hanging head assembly is applied to the patent application.

Disclosure of Invention

One) technical problem to be solved

The invention aims to make up the defects of the prior art and provides a crimping die of a right-angle terminal.

II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a crimping die for a right-angle terminal, comprising: the terminal crimping device comprises an outer shell component and an inner shell component, wherein the inner shell component is installed inside the outer shell component, and a transmission mechanism with a power transmission function and a crimping mechanism with a terminal crimping function are respectively arranged inside the outer shell component and the inner shell component.

The transmission mechanism comprises a connecting plate, two symmetrical guide rails are fixedly connected to the bottom surface of the connecting plate, each guide rail is vertically arranged inside the shell component in a sliding mode, each sliding block is arranged on the outer surface of each guide rail in a sliding mode, each sliding block is horizontally arranged inside the shell component in a sliding mode, and each sliding block can be driven to horizontally slide by the two guide rails when the two guide rails vertically slide, so that each sliding block is close to the middle of the shell component, power transmission to the shell component is achieved, and the hanging head component is mounted on the upper surface of the connecting plate.

Crimping mechanism includes slide rail, first crimping core, three slide rail, three second crimping core down, it sets up in the inside of inner shell subassembly to go up slide rail horizontal slip, first crimping core vertical slip sets up in the inside of inner shell subassembly, two of the left and right sides the equal vertical slip of slide rail sets up in the inside of inner shell subassembly down, two of the left and right sides the equal horizontal slip of second crimping core sets up in the inside of inner shell subassembly, is located the below the vertical slip of second crimping core sets up in the inside of inner shell subassembly, is located the below the slide rail horizontal slip sets up in the inside of inner shell subassembly down, drives first crimping core and three second crimping core and draw close to the middle part of inner shell subassembly through last slide rail and three slide rail down under sliding jointly to make the crimping of first crimping core and three second crimping core to the terminal, every the inside of second crimping core all is provided with the elastic reset subassembly that slides back automatic re-resetting to the second crimping core .

Further, the inner shell subassembly includes crimping shell and apron, the apron links firmly in the front of crimping shell, shell subassembly includes first main part, second main part and bottom plate, the second main part links firmly in the front of first main part, first main part and second main part all link firmly in the upper surface of bottom plate, the left and right sides face of second main part all has linked firmly the curb plate.

Further, the back of connecting plate has linked firmly last spacing piece, the back of last spacing piece has linked firmly the briquetting, it is provided with the drift to slide between spacing piece and the briquetting to go up, the inner diapire of going up the drift links firmly elastic component, and the top of this elastic component links firmly with the interior roof of last spacing piece, the bottom of going up the drift is located first crimping core directly over, the recess with first crimping core looks adaptation is seted up to the upper surface of first main part, and has linked firmly spacing piece down in the recess, the rear end of first crimping core slides and sets up in the inner wall of spacing piece down, the interior roof of first crimping core links firmly elastic component, and this elastic component links firmly in the recess of first main part upper surface.

Further, two a side that the guide rail is close to each other all is provided with two inclined planes, every the chute with guide rail looks adaptation is all seted up at the middle part of slider upper surface, two spouts have been seted up in the front of first main part, two the guide rail is vertical slip respectively and is set up in two positive spouts of first main part, two logical grooves have all been seted up to the left and right sides face of first main part, four the slider is horizontal slip respectively and sets up in the logical inslot of the left and right sides face of first main part.

Further, cross recess and four standing grooves have been seted up in the front of crimping shell, and cross recess and four standing grooves link up mutually, it slides respectively to set up in four standing grooves that the crimping shell is positive to go up slide rail and three lower slide rail, first crimping core and three second crimping core slide respectively and set up in the positive cross recess of first main part, it corresponds with first crimping core to go up the slide rail, and is three slide rail and three second crimping core one-to-one down, every the slider is kept away from the one end of curb plate, the both ends of going up the slide rail, the top of first crimping core, the one end that three second crimping core kept away from each other and the both ends of every lower slide rail and is all seted up the hypotenuse, four the one end of slider contacts with the one end of three lower slide rail and last slide rail respectively.

Further, every one side that the slider is close to the curb plate has all linked firmly the guiding axle, and the guiding axle runs through first main part and curb plate, every the surface of guiding axle all twines elastic component, and the one end of this elastic component links firmly in the surface of curb plate.

Furthermore, the transmission mechanism further comprises two pressing plates which are fixedly connected to two sides of the front surface of the first main body respectively.

Furthermore, a guide groove is formed in the back face of the compression joint shell, and the inner portion of the upper sliding rail is arranged in the guide groove of the compression joint shell in a sliding mode through a bolt.

Furthermore, the elastic reset assembly comprises a stop pin and a spring, the stop pin and the spring are connected with each other, the stop pin and the spring are both fixedly connected inside the second crimping core, and the stop pin is fixedly connected with the inner wall of the crimping shell.

Furthermore, the front surface of the cover plate is inserted with a positioning pin, and the positioning pin is inserted into the pressure joint shell.

Thirdly), the beneficial effects are as follows:

compared with the prior art, this crimping mould of right angle terminal possesses following beneficial effect:

the invention can drive the connecting plate and the hanging head component to move downwards under the action of the crimping machine under the matching arrangement among the transmission mechanism, the crimping mechanism, the hanging head component, the shell component and the inner shell component, when the hanging head component just moves downwards, the upper punch moves downwards under the action of the internal elastic component, the bottom end of the upper punch pushes the first crimping core to move downwards, the movement stops when the bottom end of the upper punch contacts the lower limiting block, at the moment, when the two guide rails vertically slide downwards, each slide block is driven to approach to the middle part, each slide block respectively pushes the upper slide rail and the three lower slide rails to move, the upper slide rail and the three lower slide rails further push the first crimping core and the three second crimping cores by the slopes of the upper slide rail and the three lower slide rails, the crimping action of the terminal is completed under the actions of the three lower slide rails and the first crimping core, thereby the terminal is as a conventional terminal when the terminal is opposite, need not extra action, improved the crimping efficiency of terminal greatly, guaranteed the uniformity of crimping quality, and drive mechanism and crimping mechanism adopt the inclined plane structure, make the upper and lower motion of hanging head subassembly convert the level and the vertical motion of first crimping core and three lower slide rail into.

Drawings

FIG. 1 is an exploded schematic view of the housing assembly and transmission of the present invention;

FIG. 2 is an exploded view of the inner housing assembly and crimping mechanism of the present invention;

FIG. 3 is a perspective view of the general assembly of the present invention;

FIG. 4 is a schematic view of the assembly of the crimping mechanism and the inner housing assembly of the present invention;

FIG. 5 is an assembled schematic view of the transmission mechanism and housing assembly of the present invention;

FIG. 6 is a front elevational view of the general assembly of the present invention;

FIG. 7 is a left side view of the general assembly of the present invention;

FIG. 8 is a top plan view of the general assembly of the present invention;

FIG. 9 is a partial cross-sectional view of the final assembly of the present invention;

FIG. 10 is a partial rear view of the crimping mechanism of the present invention.

In the figure: 1. a transmission mechanism; 101. a lower limiting block; 102. an upper limit block; 103. a guide shaft; 104. an upper punch; 105. a slider; 106. a connecting plate; 107. pressing a plate; 108. briquetting; 109. a guide rail; 2. a crimping mechanism; 201. an upper slide rail; 202. a first crimp core; 203. a lower slide rail; 204. a second crimp core; 3. a hanging head assembly; 4. a housing assembly; 41. a first body; 42. a second body; 43. a base plate; 44. a side plate; 5. an inner shell assembly; 51. crimping the shell; 52. and (7) a cover plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 10, the present invention provides a technical solution: a crimping die for a right-angle terminal, comprising: shell subassembly 4 and inner shell subassembly 5, inner shell subassembly 5 is installed in the inside of shell subassembly 4, the inside of shell subassembly 4 and inner shell subassembly 5 is provided with drive mechanism 1 that has the power transmission function and crimping mechanism 2 that has the terminal crimping function respectively, inner shell subassembly 5 includes crimping shell 51 and apron 52, apron 52 links firmly in the front of crimping shell 51, the locating pin has been pegged graft in the front of apron 52, and the locating pin is inserted to crimping shell 51 in, the combination stability of crimping shell 51 and apron 52 can have been guaranteed, shell subassembly 4 includes first main part 41, second main part 42 and bottom plate 43, second main part 42 links firmly in the front of first main part 41, first main part 41 and second main part 42 all link firmly the upper surface of bottom plate 43, the left and right sides face of second main part 42 all links firmly curb plate 44.

The transmission mechanism 1 comprises a connecting plate 106, two symmetrical guide rails 109 are fixedly connected to the bottom surface of the connecting plate 106, each guide rail 109 is vertically and slidably arranged inside the shell assembly 4, the transmission mechanism 1 further comprises two pressing plates 107, the two pressing plates 107 are respectively fixedly connected to the two front sides of the first main body 41, the two pressing plates 107 are arranged to guide the vertical sliding of the guide rails 109, so that the stability of the guide rails 109 during vertical sliding is ensured, two sliding blocks 105 are slidably arranged on the outer surface of each guide rail 109, each sliding block 105 is horizontally and slidably arranged inside the shell assembly 4, each sliding block 105 can be driven by the two guide rails 109 during vertical sliding to horizontally slide, each sliding block 105 is close to the middle part of the shell assembly 4, so that the power transmission of the inner shell assembly 5 is completed, a guide shaft 103 is fixedly connected to one side surface of each sliding block 105, which is close to the side plate 44, the guide shaft 103 penetrates through the first main body 41 and the side plate 44, an elastic part is wound on the outer surface of each guide shaft 103, one end of the elastic part is fixedly connected to the outer surface of the side plate 44, under the arrangement of the guide shafts 103 and the elastic part, an elastic reset effect can be achieved on the sliding blocks 105, the sliding blocks 105 are in contact with the side plate 44 in a natural state, two inclined planes are arranged on one side surface, close to each other, of the two guide rails 109, a chute matched with the guide rails 109 is formed in the middle of the upper surface of each sliding block 105, two sliding chutes are formed in the front surface of the first main body 41, the two guide rails 109 are vertically arranged in the two sliding chutes in the front surface of the first main body 41 in a sliding manner, the sliding chutes are convenient for the guide rails 109 to slide in the first main body 41, two through grooves are formed in the left side surface and the right side surface of the first main body 41, the four sliding blocks 105 are respectively horizontally arranged in the through grooves in the left side surface and the right side surface of the first main body 41 in a sliding manner, the setting that leads to the groove can play fine guide effect to the slip of slider 105, and then makes two guide rails 109 when vertical slip, can drive every slider 105 and slide to the middle part of first main part 41, and the last surface mounting of connecting plate 106 has first subassembly 3, and first subassembly 3 adopts the disc to hang the head, matches standard press-connection machine, and high convenient adjustable.

The crimping mechanism 2 comprises an upper slide rail 201, a first crimping core 202, three lower slide rails 203 and three second crimping cores 204, the upper slide rail 201 is horizontally arranged inside the inner shell component 5 in a sliding manner, the first crimping core 202 is vertically arranged inside the inner shell component 5 in a sliding manner, the two lower slide rails 203 on the left side and the right side are vertically arranged inside the inner shell component 5 in a sliding manner, the two second crimping cores 204 on the left side and the right side are horizontally arranged inside the inner shell component 5 in a sliding manner, the second crimping core 204 on the lowest side is vertically arranged inside the inner shell component 5 in a sliding manner, the lower slide rail 203 on the lowest side is horizontally arranged inside the inner shell component 5 in a sliding manner, the first crimping core 202 and the three second crimping cores 204 are driven to approach to the middle part of the inner shell component 5 by the common sliding of the upper slide rail 201 and the three lower slide rails 203, so that the first crimping core 202 and the three second crimping cores 204 crimp the terminal, the front surface of the crimping shell 51 is provided with a cross groove and four placing grooves, the cross groove is communicated with the four placing grooves so as to place the upper sliding rail 201, the first crimping core 202, each lower sliding rail 203 and each second crimping core 204 in the corresponding grooves respectively so as to complete the motion transmission among all accessories, the assembly is more convenient, the upper sliding rail 201 and the three lower sliding rails 203 are respectively arranged in the four placing grooves on the front surface of the crimping shell 51 in a sliding manner, the upper sliding rail 201 is positioned in the uppermost layer of the placing grooves, the back surface of the crimping shell 51 is provided with a guide groove, the inner part of the upper sliding rail 201 is arranged in the guide groove of the crimping shell 51 in a sliding manner through a bolt, so that the upper sliding rail 201 is more stable during the movement, a good guiding and limiting effect is achieved on the upper sliding rail 201, the first crimping core 202 and the three second crimping cores 204 are respectively arranged in the cross groove on the front surface of the first main body 41 in a sliding manner, the first crimping core 202 and the three second crimping cores 204 are in a cross shape after being placed, so as to facilitate crimping of terminals, the upper sliding rail 201 corresponds to the first crimping core 202, the three lower sliding rails 203 correspond to the three second crimping cores 204 one by one, one end of each sliding block 105, which is far away from the side plate 44, two ends of the upper sliding rail 201, the top end of the first crimping core 202, one end of each second crimping core 204, which is far away from each other, and two ends of each lower sliding rail 203 are all provided with bevel edges, one end of each sliding block 105 is respectively contacted with one end of each lower sliding rail 203 and one end of each upper sliding rail 201, so that when the two guiding rails 109 vertically slide downwards, each sliding block 105 is driven to approach to the middle part, each sliding block 105 further pushes the upper sliding rail 201 and the three lower sliding rails 203 to move, and further, the upper sliding rail 201 and the three lower sliding rails 203 push the first crimping cores 202 and the three second crimping cores 204, every second crimping core 204's inside all is provided with the elasticity reset assembly who slides back automatic re-setting to second crimping core 204, elasticity reset assembly includes backing pin and spring, backing pin and spring interconnect, the equal fixed connection in second crimping core 204's inside of backing pin and spring, and the backing pin links firmly with the inner wall of crimping shell 51, under elasticity reset assembly's setting, can accomplish the crimping back at the terminal, make second crimping core 204 with automatic re-setting, make every second crimping core 204 keep away from each other, so that the crimping of follow-up other terminals.

The back of the connecting plate 106 is fixedly connected with an upper limiting block 102, the back of the upper limiting block 102 is fixedly connected with a pressing block 108, an upper punch 104 is slidably arranged between the upper limiting block 102 and the pressing block 108, the top end of the upper punch 104 penetrates through the pressing block 108 and the upper part of the upper limiting block 102, the inner bottom wall of the upper punch 104 is fixedly connected with an elastic piece, the top end of the elastic piece is fixedly connected with the inner top wall of the upper limiting block 102, the bottom end of the upper punch 104 is positioned right above a first crimping core 202, so that the upper punch 104 firstly extrudes the first crimping core 202 downwards, the upper surface of the first main body 41 is provided with a groove matched with the first crimping core 202, the first crimping core 202 can slide up and down in the groove, the lower limiting block 101 is fixedly connected in the groove, the lower limiting block 101 plays a limiting and blocking effect on the upper punch 104, the rear end of the first crimping core 202 is slidably arranged on the inner wall of the lower limiting block 101, the inner top wall of the first crimping core 202 is fixedly connected with the elastic piece, and the elastic member is fixedly connected in the groove on the upper surface of the first main body 41, so that the first crimping core 202 has an elastic resetting effect.

When the crimping machine works, the connecting plate 106 and the hanging head assembly 3 are driven to move downwards under the action of the crimping machine, when the hanging head assembly 3 just moves downwards, the upper punch 104 moves downwards under the action of the internal elastic piece, the bottom end of the upper punch 104 pushes the first crimping core 202 to move downwards, the movement stops when the bottom end of the upper punch 104 contacts the lower limiting block 101, at the moment, when the two guide rails 109 slide downwards and vertically, each sliding block 105 is driven to approach to the middle part, each sliding block 105 respectively pushes the upper sliding rail 201 and the three lower sliding rails 203 to move, the upper sliding rail 201 and the three lower sliding rails 203 further push the first crimping core 202 and the three second crimping cores 204 by virtue of the inclined surfaces of the upper sliding rail 201 and the three lower sliding rails 203, the crimping action of the terminal is completed under the action of the three lower sliding rails 203 and the first crimping core 202, so that the terminal is crimped like a conventional terminal without additional action, the crimping efficiency of terminal has been improved greatly, guarantees the uniformity of crimping quality, adopts the structure of elasticity voussoir, fully avoids right angle raised portion, and drive mechanism 1 and crimping mechanism 2 adopt the inclined plane structure, make the upper and lower motion of hanging first subassembly 3 convert the level and the vertical motion of first crimping core 202 and three lower slide rail 203.

Claims (10)

1. A crimping die for a right-angle terminal, comprising: the terminal crimping device comprises an outer shell assembly (4) and an inner shell assembly (5), wherein the inner shell assembly (5) is installed inside the outer shell assembly (4), and a transmission mechanism (1) with a power transmission function and a crimping mechanism (2) with a terminal crimping function are respectively arranged inside the outer shell assembly (4) and the inner shell assembly (5);

the transmission mechanism (1) comprises a connecting plate (106), two symmetrical guide rails (109) are fixedly connected to the bottom surface of the connecting plate (106), each guide rail (109) is vertically arranged inside the shell assembly (4) in a sliding mode, two sliding blocks (105) are arranged on the outer surface of each guide rail (109) in a sliding mode, each sliding block (105) is horizontally arranged inside the shell assembly (4) in a sliding mode, the two guide rails (109) can drive each sliding block (105) to horizontally slide when vertically sliding, therefore, each sliding block (105) is close to the middle of the shell assembly (4), power transmission to the shell assembly (5) is completed, and the head hanging assembly (3) is mounted on the upper surface of the connecting plate (106);

crimping mechanism (2) are including last slide rail (201), first crimping core (202), three lower slide rail (203), three second crimping core (204), it sets up in the inside of inner shell subassembly (5) to go up slide rail (201) horizontal slip, first crimping core (202) vertical slip sets up in the inside of inner shell subassembly (5), two of the left and right sides equal vertical slip of slide rail (203) sets up in the inside of inner shell subassembly (5) down, two of the left and right sides equal horizontal slip of second crimping core (204) sets up in the inside of inner shell subassembly (5), is located the below second crimping core (204) vertical slip sets up in the inside of inner shell subassembly (5), is located the below slide rail (203) horizontal slip sets up in the inside of inner shell subassembly (5) down, through last slide rail (201) and three lower slide rail (203) under the common slip drive first crimping core (202) and three second crimping core (204) to inner shell subassembly (5) ) The middle parts of the first and the third crimping cores (202, 204) are close to each other, so that the first crimping core (202) and the three second crimping cores (204) are crimped on the terminal, and an elastic resetting component which automatically resets after the second crimping cores (204) slide is arranged in each second crimping core (204).

2. A crimping die for a right-angle terminal according to claim 1, wherein: inner shell subassembly (5) are including crimping shell (51) and apron (52), apron (52) link firmly in the front of crimping shell (51), shell subassembly (4) are including first main part (41), second main part (42) and bottom plate (43), second main part (42) link firmly in the front of first main part (41), first main part (41) and second main part (42) all link firmly in the upper surface of bottom plate (43), curb plate (44) have all been linked firmly to the left and right sides face of second main part (42).

3. A crimping die for a right-angle terminal according to claim 2, wherein: the back of the connecting plate (106) is fixedly connected with an upper limiting block (102), the back of the upper limiting block (102) is fixedly connected with a pressing block (108), an upper punch (104) is arranged between the upper limiting block (102) and the pressing block (108) in a sliding manner, the inner bottom wall of the upper punch (104) is fixedly connected with an elastic piece, the top end of the elastic piece is fixedly connected with the inner top wall of the upper limiting block (102), the bottom end of the upper punch (104) is positioned right above the first crimping core (202), the upper surface of the first main body (41) is provided with a groove matched with the first crimping core (202), a lower limit block (101) is fixedly connected in the groove, the rear end of the first crimping core (202) is arranged on the inner wall of the lower limit block (101) in a sliding manner, the inner top wall of the first crimping core (202) is fixedly connected with an elastic piece, and the elastic piece is fixedly connected in a groove on the upper surface of the first main body (41).

4. A crimping die for a right-angle terminal according to claim 2, wherein: two a side that guide rail (109) are close to each other all is provided with two inclined planes, every the chute with guide rail (109) looks adaptation is all seted up at the middle part of slider (105) upper surface, two spouts have been seted up in the front of first main part (41), two guide rail (109) vertical slip respectively sets up in two positive spouts of first main part (41), two logical grooves have all been seted up to the left and right sides face of first main part (41), four slider (105) horizontal slip respectively sets up in the logical inslot of the left and right sides face of first main part (41).

5. A crimping die for a right-angle terminal according to claim 2, wherein: the front surface of the pressure joint shell (51) is provided with a cross groove and four placing grooves, the cross groove is communicated with the four placing grooves, the upper slide rail (201) and the three lower slide rails (203) are respectively arranged in the four placing grooves on the front surface of the pressure joint shell (51) in a sliding way, the first crimping core (202) and the three second crimping cores (204) are respectively arranged in a cross groove on the front surface of the first main body (41) in a sliding manner, it is corresponding with first crimping core (202) to go up slide rail (201), three slide rail (203) and three second crimping core (204) one-to-one down, every the top of the one end of curb plate (44), the both ends of going up slide rail (201), first crimping core (202), the hypotenuse has all been seted up at the one end of keeping away from each other and the both ends of every slide rail (203) down of slider (105) one end of slider (105) contacts with the one end of three slide rail (203) and last slide rail (201) down respectively.

6. A crimping die for a right-angle terminal according to claim 2, wherein: each side face, close to the side plate (44), of the sliding block (105) is fixedly connected with a guide shaft (103), the guide shaft (103) penetrates through the first main body (41) and the side plate (44), the outer surface of each guide shaft (103) is wound with an elastic piece, and one end of each elastic piece is fixedly connected to the outer surface of the side plate (44).

7. A crimping die for a right-angle terminal according to claim 2, wherein: the transmission mechanism (1) further comprises two pressing plates (107), and the two pressing plates (107) are fixedly connected to two sides of the front face of the first main body (41) respectively.

8. A crimping die for a right-angle terminal according to claim 2, wherein: the back of the pressure joint shell (51) is provided with a guide groove, and the interior of the upper sliding rail (201) is arranged in the guide groove of the pressure joint shell (51) in a sliding mode through a bolt.

9. A crimping die for a right-angle terminal according to claim 2, wherein: the elastic reset assembly comprises a stop pin and a spring which are connected with each other, the stop pin and the spring are both fixedly connected inside the second crimping core (204), and the stop pin is fixedly connected with the inner wall of the crimping shell (51).

10. A crimping die for a right-angle terminal according to claim 2, wherein: the front surface of the cover plate (52) is inserted with a positioning pin, and the positioning pin is inserted into the pressure joint shell (51).

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