CN211758256U

CN211758256U - Shaping device for heart-shaped ring for processing dropper wire

Info

Publication number: CN211758256U
Application number: CN201922248896.6U
Authority: CN
Inventors: 叶志荣; 蒋海; 刘曼; 胡海龙; 马林林
Original assignee: Kunshan Huizhi Automation Technology Co ltd; China Railway 11th Bureau Group Co Ltd; China Railway 11th Bureau Group Electric Engineering Co Ltd
Current assignee: Kunshan Huizhi Automation Technology Co ltd; China Railway 11th Bureau Group Co Ltd; China Railway 11th Bureau Group Electric Engineering Co Ltd
Priority date: 2019-12-14
Filing date: 2019-12-14
Publication date: 2020-10-27
Anticipated expiration: 2029-12-14

Abstract

The utility model relates to a heart-shaped ring forming device for processing dropper wires, which comprises a frame, wherein a processing platform is fixedly arranged on the upper surface of the frame, a jig limiting groove is arranged on the processing platform, a jig module is fixedly arranged on the side edge of the frame, which is positioned in the jig limiting groove, the jig module comprises a copper nose fixing jig, and the copper nose fixing jig is arranged in the jig limiting groove; the crimping device is characterized by further comprising a crimping module fixedly mounted on the rack, wherein the crimping module comprises a crimping cylinder for providing power for crimping and a crimping die fixedly mounted at the output end of the crimping cylinder. The utility model discloses simple structure, full automatization operation can guarantee that the crimping quality is unanimous, effectively guarantees the processingquality of dropper line to can with automatic dropper processing lines phase-match.

Description

Shaping device for heart-shaped ring for processing dropper wire

Technical Field

The utility model relates to a dropper line production facility technical field, concretely relates to processing of dropper line is with heart-shaped ring forming device.

Background

The contact line hanger of the railway is one of the important components of chain-shaped suspension, the contact line is suspended on the carrier cable through the hanger, and the length of the hanger is adjusted to ensure the structural height of the contact suspension and the working height of the contact line from a rail surface. In order to ensure the stability of a power supply system of a railway contact network, the requirement on the processing quality of a dropper wire is high, the dropper wire is required to have no phenomena of strand scattering, strand breaking and the like, the length deviation of the dropper is not more than 1.5mm, the head of the end of the dropper is not less than 50mm, the dropper is required to be subjected to pretension, the dropper wire is ensured to be kept in a stressed state, the deformation caused by the stress of the dropper wire is effectively avoided, and the high-precision requirement of a high-speed railway on the dropper wire is met. How to accurately and efficiently complete the preassembly processing of the dropper line is of great significance.

In the construction of a traditional railway electrical system, a hanger is generally prepared in a manual prefabrication mode, and prefabrication efficiency is low. Particularly, the whole processing process is complex, the dropper needs to pass through the clamp-shaped pipe firstly, then is sleeved on the heart-shaped ring, and finally is tightened to fix the clamp-shaped pipe clamp. The traditional manual prefabrication mode is low in efficiency and high in cost.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the technical problem who exists among the prior art, provide a heart-shaped ring forming device is used in dropper line processing, can full automatization operation, machining efficiency is high, can effectively guarantee the processingquality of dropper line.

The utility model provides an above-mentioned technical problem's technical scheme as follows: a heart-shaped ring forming device for processing a dropper wire comprises a rack, wherein a fixed workbench for processing a heart-shaped ring is arranged at the rear part of the rack, a wire feeding groove for a dropper wire is arranged at the front end of the fixed workbench, and a clamp-shaped pipe pressing mechanism for pre-pressing and pressing a clamp-shaped pipe is arranged between the wire feeding groove and the fixed workbench; the wire feeding groove comprises a wire feeding channel formed by a wire feeding limiting block and a wire returning guide block, and the dropper wire bypassing the heart-shaped ring penetrates out of the clamp-shaped pipe and is led out through the wire returning guide block; the fixed workbench is provided with a heart-shaped ring locking mechanism for fixing the heart-shaped ring, and a heart-shaped ring pressing mechanism for winding the dropper wire to the heart-shaped ring and a pressing guide mechanism for guiding the wound dropper wire out are arranged around the heart-shaped ring locking mechanism.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Further, the pincerlike pipe pressing mechanism comprises pressing assemblies symmetrically arranged on two sides of the hanger wire, and each pressing assembly comprises a pressing cylinder and a pressing die.

Preferably, the pincer tube pressing mechanism further comprises a telescopic wedge which is wedged into the pressing assembly when the pincer tube is pre-pressed to avoid completely pressing the pincer tube, and the telescopic wedge is connected to the bottom of the wire feeding groove in a sliding mode.

Preferably, the pincer-shaped pipe pressing mechanism further comprises slideways symmetrically arranged at the bottom of the wire feeding groove, and the telescopic wedges are arranged in the slideways; the telescopic wedge comprises a telescopic connecting rod and a wedge block arranged at the top end of the telescopic connecting rod; the pincerlike pipe pressing mechanism further comprises a jacking telescopic cylinder fixed on the rack, and the output end of the jacking telescopic cylinder is fixedly connected with the tail end of the telescopic connecting rod.

Further, heart encircles pressing mechanism including the suppression subassembly, the suppression subassembly includes the slip limiting plate, sliding connection has the direction slider on the slip limiting plate, pressing mechanism is still including the top that is used for driving the direction slider and pushes away the cylinder, fixed mounting has the forming motor on the direction slider for the forming wheel of coiling is installed on the output shaft of forming motor.

Preferably, heart shape ring pressing mechanism is still including pressing the workstation, pressing the subassembly and pushing away the equal fixed mounting of cylinder on pressing the workstation, heart shape ring pressing mechanism is still including the jacking subassembly of jacking pressing the workstation.

Preferably, the jacking subassembly is including wearing to establish on fixed work platform, a plurality of jacking stands of upper end and suppression workstation fixed connection, jacking stand lower extreme fixed connection is on a fixed plate, the jacking subassembly is still including the lifting cylinder of fixed mounting in the frame, the output and the fixed plate bottom fixed connection of lifting cylinder.

Further, the pressing guide mechanism comprises a guide plate for guiding the dropper wire and a driving cylinder for driving the guide plate to stretch.

Further, heart-shaped ring locking mechanism includes shape and heart-shaped ring assorted locating piece, locating piece sliding connection is in the spacing inslot of limiting plate, the fixed jacking cylinder that is provided with the drive locating piece and moves from top to bottom in locating piece bottom.

Preferably, the surface sliding connection in both sides of limiting plate has the slide rail, one side that jacking cylinder was kept away from to the slide rail still is equipped with locking Assembly for reset locking locating piece makes it not take place the skew.

Preferably, the locking assembly comprises a guide rod, a return compression spring and a locking slide block; one end fixed connection of guide bar in one side of limiting plate wear to be equipped with in proper order on the guide bar locking slider and reset compression spring, just reset compression spring one end through lock nut fixed connection in on the guide bar, the other end butt in locking slider's side surface.

Furthermore, the heart-shaped ring forming device also comprises a telescopic cover plate mechanism, wherein the telescopic cover plate mechanism comprises a cover plate for sealing the top opening of the wire feeding groove, and the cover plate is connected to the top of the wire feeding limiting block in a sliding manner; the telescopic cover plate mechanism further comprises a telescopic cylinder for driving the cover plate.

Preferably, the cover plate is connected with the wire feeding limiting block in a sliding mode through a dovetail groove.

Furthermore, the heart-shaped ring forming device also comprises a string locking mechanism arranged on the return guide block, wherein the string locking mechanism comprises a connecting rod and a locking wheel arranged at the end part of the connecting rod, and the string locking mechanism also comprises a motor for driving the connecting rod to rotate to enable the locking wheel to clamp the string.

The utility model has the advantages that: the utility model can automatically complete the pre-crimping of the pincerlike tube, then automatically wind the string of the dropper on the heart-shaped ring, crimp the pincerlike tube after the winding is finished, basically realize the full-automatic operation in the whole process, have high processing efficiency and greatly reduce the labor intensity; meanwhile, the utility model adopts the air cylinder to match with the crimping mould, and uses the mechanical crimping mode for crimping, the crimping quality far exceeds the manual crimping, and the continuous processing can ensure the crimping quality to be consistent all the time, thereby greatly improving the processing quality of the dropper wire; the utility model discloses heart shape ring and the pincerlike pipe course of working that will be numerous and complicated adopt simple mechanical structure to realize automatic operation, reduction in production cost by a wide margin.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic top view of the present invention;

fig. 3 is a schematic view of the structure of the present invention;

FIG. 4 is a schematic view of a portion of the enlarged structure at A in FIG. 3;

FIG. 5 is a schematic structural view of a clamp tube clamping mechanism;

FIG. 6 is a schematic view of the structure of FIG. 5 from another perspective;

FIG. 7 is a schematic structural view of a heart ring pressing mechanism;

FIG. 8 is a side view of the structure of FIG. 7;

FIG. 9 is a schematic structural view of a heart ring locking mechanism;

in the drawings, the components represented by the respective reference numerals are listed below:

1. the wire feeding device comprises a rack, 2, a wire feeding groove, 21, a wire feeding limiting block, 22, a wire returning guide block, 23, a wire feeding channel, 3, a clamp-shaped pipe pressing mechanism, 31, a pressing component, 310, a pressing cylinder, 311, a pressing die, 32, a telescopic wedge, 320, a wedge block, 321, a telescopic connecting rod, 33, a slideway, 34, a jacking telescopic cylinder, 4, a heart-shaped ring pressing mechanism, 41, a pressing workbench, 42, a pressing component, 420, a sliding limiting plate, 421, a guide sliding block, 422, a jacking cylinder, 423, a forming wheel, 424, a forming motor, 43, a lifting cylinder, 44, a lifting upright post, 5, a pressing guide mechanism, 6, a heart-shaped ring locking mechanism, 61, a limiting plate, 62, a positioning block, 63, a jacking cylinder, 64, a sliding rail, 65, a locking component, 650, a guide rod, 651, a reset pressing spring, 652, a locking sliding block, 66, a locking nut, 67, A partition plate 7, a fixed workbench 8, a telescopic cover plate mechanism 81, a telescopic cylinder 82, a cover plate 9, a dropper wire 10 and a dropper wire locking mechanism.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1 to 3, the heart-shaped ring forming device for processing a dropper of the present invention comprises a frame 1, a fixed workbench 7 for processing a heart-shaped ring is installed at the rear portion of the frame 1, a wire feeding groove 2 for feeding a dropper wire 9 is provided at the front end of the fixed workbench 7, and a clamp pipe pressing mechanism 3 for pre-pressing and pressing a clamp pipe is provided between the wire feeding groove 2 and the fixed workbench 7.

The wire feeding groove 2 comprises a wire feeding channel 23 formed by a wire feeding limiting block 21 and a wire returning guide block 22, and the dropper wire 9 which bypasses the heart-shaped ring penetrates out of the clamp-shaped pipe and is led out through the wire returning guide block 22.

The fixed workbench 7 is provided with a heart-shaped ring locking mechanism 6 for fixing a heart-shaped ring, and a heart-shaped ring pressing mechanism 4 for winding a dropper wire 9 to the heart-shaped ring and a pressing guide mechanism 5 for guiding the wound dropper wire are arranged around the heart-shaped ring locking mechanism 6.

As shown in fig. 4 and 6, in order to prevent the dropper line 9 from coming off during processing, the heart-shaped ring forming device of the present invention further comprises a retractable cover plate mechanism 8, wherein the retractable cover plate mechanism 8 comprises a cover plate 82 for closing the top opening of the wire feeding groove 2. The cover plate 82 is slidably connected to the top of the wire feeding limiting block 21. The telescopic cover plate mechanism 8 further comprises a telescopic cylinder 81 for driving the cover plate 82.

Preferably, the cover plate 82 is slidably connected to the wire feeding stopper 21 through a dovetail groove.

In order to tighten the dropper wire 9 during processing and keep the dropper wire 9 in a tight state, thereby improving the processing quality, the heart-shaped ring forming device further comprises a dropper wire locking mechanism 10 arranged on the wire return guide block 22. The dropper locking mechanism 10 comprises a connecting rod and a locking wheel arranged at the end part of the connecting rod, the connecting rod is driven by a motor to rotate, and the locking wheel can be driven to move to a wire groove of the return wire guide block 22 to block the dropper 9.

As shown in fig. 4 and 5, the clamp pipe pressing mechanism 3 of the present invention may have the following structure: comprises a pressing component 31 which is symmetrically arranged at two sides of the dropper wire 9, wherein the pressing component 31 comprises a pressing cylinder 310 and a pressing mould 311.

In order to pre-compress the clamp pipe in advance, the clamp pipe compressing mechanism 3 may further include a telescopic wedge 32 wedged into the compressing assembly 31 when the clamp pipe is pre-compressed, so as to avoid completely compressing the clamp pipe, and the telescopic wedge 32 is slidably connected to the bottom of the wire feeding groove 2.

Preferably, the pincer-shaped tube pressing mechanism 3 further comprises slide ways 33 symmetrically arranged at the bottom of the wire feeding groove 2, and the telescopic wedges 32 are arranged in the slide ways 33. The slide 33 may be formed by two sliders. The telescopic wedge 32 may be constructed to include a telescopic link 321 and a wedge block 320 provided at the top end of the telescopic link 321. The pincerlike tube pressing mechanism 3 further comprises a jacking telescopic cylinder 34 fixed on the frame 1, and the output end of the jacking telescopic cylinder 34 is fixedly connected with the tail end of the telescopic connecting rod 321. The telescopic link 321 may be formed by a plurality of rods hinged together.

Therefore, the telescopic wedge 32 can be wedged into the pressing component 31 in the winding stage to limit the pressing component 31, and the forcipated pipe is prevented from being completely pressed.

As shown in fig. 6 and 7, heart-shaped ring pressing mechanism 4 is including pressing subassembly 42, pressing subassembly 42 is including slip limiting plate 420, sliding connection has direction slider 421 on slip limiting plate 420, pressing mechanism 4 is still including the top that is used for driving direction slider 421 to push away cylinder 422, fixed mounting has forming motor 424 on the direction slider 421 for the forming wheel 423 of coiling is installed on forming motor 424's output shaft.

Preferably, the heart-shaped ring pressing mechanism 4 further comprises a pressing workbench 41, the pressing assembly 42 and the pushing cylinder 422 are both fixedly mounted on the pressing workbench 41, and the heart-shaped ring pressing mechanism 4 further comprises a jacking assembly for jacking the pressing workbench 41.

Preferably, the jacking subassembly is including wearing to establish on fixed work platform 7, a plurality of jacking stands 44 of upper end and 41 fixed connection of pressing work platform, jacking stand 44 lower extreme fixed connection is on a fixed plate, the jacking subassembly is still including fixed mounting's lifting cylinder 43 in frame 1, lifting cylinder 43's output and fixed plate bottom fixed connection.

An annular guide groove may be provided at the bottom of the slide position-limiting plate 420 of the heart ring pressing mechanism 4 or on the pressing table 41 for guiding the dropper wire 9.

Suppression guiding mechanism 5 includes the deflector and the flexible actuating cylinder that drives of drive deflector that lead to dropper line 9. A semi-annular guide groove may be provided on the guide plate for guiding the dropper wire 9.

The heart-shaped ring locking mechanism 6 comprises a shape and a heart-shaped ring matched locating block 62, the locating block 62 is slidably connected in the limiting groove of the limiting plate 61, and the bottom of the locating block 62 is fixedly provided with a jacking cylinder 63 which drives the locating block 62 to move up and down.

Preferably, the two side surfaces of the limiting plate 61 are slidably connected with sliding rails 64, and one side of the sliding rails 64 away from the jacking cylinder 63 is further provided with a locking assembly 65 for resetting and locking the positioning block 62 so that the positioning block is not over-deviated. A partition 67 is also removably attached to the side of the slide 64 opposite the locking assembly 65.

Preferably, the locking assembly 65 includes a guide rod 650, a return hold down spring 651, and a locking slide 652. One end of the guide rod 650 is fixedly connected to one side of the limiting plate 61, the guide rod 650 is sequentially provided with the locking slider 652 and the reset compression spring 651 in a penetrating manner, one end of the reset compression spring 651 is fixedly connected to the guide rod 650 through the locking nut 66, and the other end of the reset compression spring is abutted to the side surface of the locking slider 652.

Therefore, buffering force can be provided in the process of tensioning the dropper wire 9, and the heart-shaped ring is prevented from being separated due to the touch of the dropper wire 9 when the dropper wire 9 is tightened.

The working principle of the utility model is as follows:

as shown in fig. 1 and fig. 6, during the processing of the device, the clamping tube is placed at the compressing position in advance, the telescopic wedge 32 extends out, the wedge block 320 is pushed between two compressing molds 311 of the compressing assembly 31, the compressing cylinder 310 is started, and the compressing molds 311 are pushed to clamp and fix the clamping tube, thereby completing the pre-compression of the clamping tube.

As shown in fig. 4, after the preliminary compression is completed, the dropper wire 9 is fed through the wire feeding passage 23 of the wire feeding groove 2, and when the dropper wire 9 is fed, the retractable cover plate mechanism 8 is activated, and the cover plate 82 seals the top of the wire feeding passage 23, thereby preventing the dropper wire 9 from coming off.

As shown in fig. 9, after the dropper wire 9 is fed into the wire feeding slot 2, the heart-shaped ring is placed at the corresponding position of the fixing workbench 7, the heart-shaped ring locking mechanism 6 is started, the jacking cylinder 63 pushes the positioning block 62 to be lifted, and the positioning block 62 penetrates into the heart-shaped ring to fix the heart-shaped ring.

After the heart ring is fixed, the wire is continuously fed, and the dropper wire 9 is inserted through the clamp tube and into the fixing table 7, as shown in fig. 7 and 8. At this point the heart ring pressing mechanism 4 is activated and the lift cylinder 43 retracts the lift post 44, pulling the press table 41 back to the stationary table 7. Then, the pushing cylinder 422 pulls the guiding slider 421 back along the sliding limiting plate 420, and the forming motor 424 is started to drive the forming wheel 423 to rotate, so as to guide the fed dropper wire 9 to move around the heart ring along the annular direction. After the dropper wire 9 runs for a half-cycle, the pressing guide mechanism 5 is started, and the driving cylinder pushes out the guide plate to limit the running direction of the dropper wire 9. At this time, the pushing cylinder 422 pushes the guide slider 421 out along the sliding limit plate 420, and the dropper wire 9 continues to move around the annular ring along the annular direction by matching with the guide plate until the dropper wire 9 reversely penetrates through the pincer-shaped tube and enters the wire slot of the wire returning guide block 22, and the winding process is finished.

As shown in fig. 2 and 3, after the winding process is completed, the dropper wire locking mechanism 10 is activated to lock and fix the dropper wire 9. Then the lifting cylinder 43 of the center-of-gravity ring pressing mechanism 4 raises the lifting column 44 to lift the pressing table 41 off the stationary table 7, while the driving cylinder of the pressing guide mechanism 5 simultaneously retracts the guide plate. The wire is then withdrawn in the reverse direction and the dropper wire 9 is pulled until the dropper wire 9 is tightened around the heart ring and held taut.

As shown in FIG. 6, when the dropper wire 9 is in a tight state, the telescopic wedge 32 is retracted, the pressing assembly 31 is started again, the pressing cylinder 310 pushes the pressing die 311 to press the clamped pipe, the pressing cylinder 310 is retracted after pressing, the dropper wire locking mechanism 10 releases the dropper wire 9, the telescopic cover plate mechanism 8 is also retracted, and the dropper wire 9 is taken out, so that the machining of the heart-shaped ring and the clamped pipe is completed.

The automatic processing of the heart-shaped ring and the pincer-shaped pipe can be realized by repeating the operation.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a machining of dropper is with heart-shaped ring forming device which characterized in that:

the clamp pipe clamping device comprises a rack (1), wherein a fixed workbench (7) for machining a heart-shaped ring is installed at the rear part of the rack (1), a wire feeding groove (2) of a dropper wire (9) is formed in the front end of the fixed workbench (7), and a clamp pipe clamping mechanism (3) for pre-clamping and pressing a clamp pipe is arranged between the wire feeding groove (2) and the fixed workbench (7);

the wire feeding groove (2) comprises a wire feeding channel (23) formed by a wire feeding limiting block (21) and a wire returning guide block (22), and a dropper wire (9) bypassing the heart-shaped ring penetrates out of the clamp pipe and is led out through the wire returning guide block (22);

the fixed workbench (7) is provided with a heart-shaped ring locking mechanism (6) for fixing the heart-shaped ring, and a heart-shaped ring pressing mechanism (4) for winding a dropper wire (9) to the heart-shaped ring and a pressing guide mechanism (5) for guiding the wound dropper wire are arranged around the heart-shaped ring locking mechanism (6).

2. The heart-shaped ring forming device for processing a dropper wire according to claim 1, wherein: the clamp-shaped pipe pressing mechanism (3) comprises pressing assemblies (31) symmetrically arranged on two sides of a dropper wire (9), and each pressing assembly (31) comprises a pressing cylinder (310) and a pressing die (311).

3. The heart-shaped ring forming device for processing a dropper wire according to claim 2, wherein: the clamp-shaped pipe pressing mechanism (3) further comprises a telescopic wedge (32) which is wedged into the pressing assembly (31) when the clamp-shaped pipe is pre-pressed to avoid completely pressing the clamp-shaped pipe, and the telescopic wedge (32) is connected to the bottom of the wire feeding groove (2) in a sliding mode.

4. The heart-shaped ring forming device for processing a dropper wire as claimed in claim 3, wherein: the clamp-shaped pipe pressing mechanism (3) further comprises slideways (33) symmetrically arranged at the bottom of the wire feeding groove (2), and the telescopic wedges (32) are arranged in the slideways (33); the telescopic wedge (32) comprises a telescopic connecting rod (321) and a wedge block (320) arranged at the top end of the telescopic connecting rod (321); the clamp-shaped pipe pressing mechanism (3) further comprises a jacking telescopic cylinder (34) fixed on the rack (1), and the output end of the jacking telescopic cylinder (34) is fixedly connected with the tail end of the telescopic connecting rod (321).

5. The heart-shaped ring forming device for processing a dropper wire according to claim 1, wherein: heart-shaped ring pressing means (4) is including pressing subassembly (42), pressing subassembly (42) is including slip limiting plate (420), sliding connection has direction slider (421) on slip limiting plate (420), pressing means (4) still pushes away cylinder (422) including being used for driving direction slider (421), fixed mounting has forming motor (424) on direction slider (421) for the output shaft at forming motor (424) is installed in forming wheel (423) of coiling.

6. The heart-shaped ring forming device for processing a dropper wire as claimed in claim 5, wherein: the heart-shaped ring pressing mechanism (4) further comprises a pressing workbench (41), the pressing assembly (42) and the pushing cylinder (422) are fixedly mounted on the pressing workbench (41), and the heart-shaped ring pressing mechanism (4) further comprises a jacking assembly for jacking the pressing workbench (41).

7. The heart-shaped ring forming device for processing a dropper wire as claimed in claim 6, wherein: jacking subassembly is including wearing to establish on fixed work platform (7), a plurality of jacking stand (44) of upper end and suppression workstation (41) fixed connection, jacking stand (44) lower extreme fixed connection is on a fixed plate, jacking subassembly is still including fixed mounting lifting cylinder (43) in frame (1), the output and the fixed plate bottom fixed connection of lifting cylinder (43).

8. The heart-shaped ring forming device for processing a dropper wire according to claim 1, wherein: the pressing guide mechanism (5) comprises a guide plate for guiding the dropper wire (9) and a driving cylinder for driving the guide plate to stretch.

9. The heart-shaped ring forming device for processing a dropper wire according to claim 1, wherein: heart-shaped ring locking mechanism (6) are including shape and heart-shaped ring assorted locating piece (62), locating piece (62) sliding connection is in the spacing inslot of limiting plate (61), fixed jacking cylinder (63) that are provided with drive locating piece (62) operation from top to bottom in locating piece (62) bottom.

10. The heart-shaped ring forming device for processing a dropper wire as claimed in claim 9, wherein: the surface sliding connection in both sides of limiting plate (61) has slide rail (64), one side that jacking cylinder (63) was kept away from in slide rail (64) still is equipped with locking Assembly (65) for reset locking locating piece (62) makes it not take place the skew.

11. The heart-shaped ring forming device for processing a dropper wire as claimed in claim 10, wherein: the locking assembly (65) comprises a guide rod (650), a reset compression spring (651) and a locking slide block (652); one end fixed connection in guide bar (650) in one side of limiting plate (61) wear to be equipped with in proper order on guide bar (650) locking slider (652) and reset compression spring (651), just reset compression spring (651) one end through lock nut (66) fixed connection in on guide bar (650), the other end butt in the side surface of locking slider (652).

12. The heart-shaped ring forming device for processing a dropper wire according to claim 1, wherein: the heart-shaped ring forming device further comprises a telescopic cover plate mechanism (8), the telescopic cover plate mechanism (8) comprises a cover plate (82) used for sealing the top opening of the wire feeding groove (2), and the cover plate (82) is connected to the top of the wire feeding limiting block (21) in a sliding mode; the telescopic cover plate mechanism (8) further comprises a telescopic cylinder (81) for driving the cover plate (82).

13. The heart-shaped ring forming device for processing a dropper wire as claimed in claim 12, wherein: the cover plate (82) is connected with the wire feeding limiting block (21) in a sliding mode through a dovetail groove.

14. The heart-shaped ring forming device for processing a dropper wire according to claim 1, wherein: the heart-shaped ring forming device further comprises a dropper locking mechanism (10) arranged on the wire returning guide block (22), the dropper locking mechanism (10) comprises a connecting rod and a locking wheel arranged at the end part of the connecting rod, and the dropper locking mechanism further comprises a motor for driving the connecting rod to rotate to enable the locking wheel to clamp the dropper (9).