Automatic assembling mechanism for door handle torsion spring

Abstract

The utility model discloses a door handle torsion spring automatic assembling mechanism which enables a torsion spring to reach a torsion spring feeding position in a forward placing posture through a torsion spring vibration disc, enables the torsion spring to be placed in only two postures on the torsion spring feeding position, and accurately recognizes the forward and reverse states of the torsion spring through a torsion spring forward and reverse detection probe. The torsion spring is turned over in combination with the installation direction of the door handle by current equipment, correct placement of the torsion spring in the subsequent assembly step is ensured, angle adjustment is further conducted on the torsion spring through the torsion spring angle adjusting assembly, the torsion spring can be accurately placed in the torsion spring pre-tightening position to be pre-tightened and compressed, and the assembly efficiency is improved. The torsion spring pre-tightening assembly is matched with the torsion spring moving and taking assembly to install the pre-tightened torsion springs on the assembly tool / product, it is ensured that all the torsion springs are assembled with high precision and consistency, and meanwhile the assembly requirements of an inner door handle and an outer door handle can be met.

Description

TECHNICAL FIELD

[0001] The utility model relates to door handle automation assembly technical field, concretely relates to a door handle torsional spring automatic assembly mechanism. BACKGROUND

[0002] Door handle is an indispensable component on the door panel, aiming at facilitating the user's manual operation of opening and locking the door. The current market handle design shows diversified forms, especially the design of handle and panel is characteristic, and core components such as snap spring, angle limiting piece, torsional spring and gasket tend to standardization, which are necessary parts for door handle assembly.

[0003] As shown in the accompanying Figure 1 The torsional spring body a is in spiral winding structure, and the first and last ends of the torsional spring body form the outer edge end a1 limiting the door handle panel and the inner edge end a2 limited in the door handle handle. As disclosed in the content of the Chinese patent specification CN118789271A from 0085 to 0088 and its specification drawings 9 and 10, the existing automatic assembly method of torsional spring is to horizontally convey the torsional spring through the vibration disc, and the structure of the torsional spring itself leads to four placing states of the horizontally conveyed torsional spring on the feeding track, which causes the low matching precision of the torsional spring when moving to the pre-tightening device, so that the torsional spring cannot be smoothly transferred or pre-tightened. In addition, the torsional spring is a universal part of the inner door handle and the outer door handle. For the handles in different directions (inner door handle and outer door handle), the torsional spring needs to adjust its assembly direction when assembled on the tooling to adapt to the assembly requirements of handles in different directions. Specifically, the torsional spring needs to adjust its front and back and assembly angle in the handle assembly process in different directions. But the existing market lacks a door handle torsional spring automatic assembly mechanism that can flexibly adapt to the assembly requirements of handles in different directions and accurately assemble.

[0004] Therefore, it is urgent to develop a door handle torsional spring automatic assembly mechanism to overcome the technical defects of poor universality and low precision of the door handle torsional spring feeding and assembly mechanism. SUMMARY

[0005] To solve the above problems, the utility model provides a door handle torsional spring automatic assembly mechanism, including torsional spring vibration disc, with torsional spring vibration disc connection's torsional spring feed track, be located torsional spring feed track side's torsional spring turnover subassembly, be located torsional spring feed track side's torsional spring angle adjustment subassembly, be located torsional spring angle adjustment subassembly side's torsional spring preloading subassembly and be used for torsional spring transfer's torsional spring conveying subassembly, be provided with torsional spring removal subassembly and at least one torsional spring clamping subassembly on torsional spring conveying subassembly, be equipped with torsional spring feeding position on torsional spring feed track, be equipped with torsional spring positive and negative detection probe on torsional spring feeding position, be equipped with torsional spring turnover position on torsional spring turnover subassembly, be equipped with torsional spring adjustment position on torsional spring angle adjustment subassembly, be equipped with torsional spring preloading position on torsional spring preloading subassembly, torsional spring vibration disc is used for with the positive posture of torsional spring and sends into torsional spring feed track and is conveyed to torsional spring feeding position, torsional spring positive and negative detection probe is used for detecting the positive and negative state of torsional spring on torsional spring feeding position, torsional spring turnover subassembly is used for with torsional spring from torsional spring feeding position and is transferred to torsional spring turnover position, and according to the positive and negative state and current equipment installs the direction of door handle to torsional spring and carries out the face, torsional spring clamping subassembly is used for with torsional spring from torsional spring turnover position and is transferred to torsional spring adjustment position and from torsional spring adjustment position and is transferred to torsional spring preloading position, torsional spring angle adjustment subassembly is used for with torsional spring on the torsional spring adjustment position and is adjusted to target place angle, torsional spring preloading subassembly carries out torsional spring preloading position torsional spring and twists compression, torsional spring removal subassembly is used for with the torsional spring after compression and is transferred and is installed to assembly tool / product.

[0006] The utility model further sets up that the torsional spring in the torsional spring feed track is vertically placed and the outer edge end of the torsional spring faces the torsional spring vibration disc or the torsional spring feeding position; one side of the torsional spring feeding position is further provided with a torsional spring material detection probe and a torsional spring positioning assembly; the torsional spring material detection probe is used to detect whether the torsional spring reaches the torsional spring feeding position; when the torsional spring reaches the torsional spring feeding position, the torsional spring positive and negative detection probe faces the outer edge end / inner edge end of the torsional spring in the positive / negative state; the torsional spring positioning assembly comprises a torsional spring positioning power source and a torsional spring positioning plate driven by the torsional spring positioning power source; the torsional spring positioning plate is movably arranged on the side of the torsional spring feeding position.

[0007] The utility model further sets up that the torsional spring turnover assembly comprises a torsional spring turnover telescopic power source, a torsional spring turnover telescopic plate driven by the torsional spring turnover telescopic power source, a torsional spring turnover power source connected to the torsional spring turnover telescopic plate, a torsional spring turnover plate driven by the torsional spring turnover power source, a torsional spring turnover clamping power source connected to the torsional spring turnover plate, and a torsional spring turnover clamping claw driven by the torsional spring turnover clamping power source; the torsional spring turnover position is located between the torsional spring turnover clamping claws.

[0008] The utility model further sets up and is torsion spring angle adjustment subassembly including torsion spring angle adjustment bearing plate, torsion spring angle adjustment power source connected on the torsion spring angle adjustment bearing plate, torsion spring angle adjustment shaft driven by the torsion spring angle adjustment power source and torsion spring angle limit pin connected on the torsion spring angle adjustment bearing plate, the torsion spring adjustment position is located the end face of torsion spring angle adjustment shaft, has set up the inside along end adjustment positioning slot for positioning torsion spring on the torsion spring angle adjustment shaft, and the torsion spring angle limit pin is located the path of the outside along end rotation with the torsion spring angle adjustment shaft of torsion spring.

[0009] The utility model further sets up and is torsion spring pre-tightening subassembly including torsion spring pre-tightening platform, the torsion spring pre-tightening shaft of being placed on the torsion spring pre-tightening platform, the torsion spring pre-tightening rotation power source of driving the torsion spring pre-tightening shaft rotation, the torsion spring pre-tightening lift pin of setting in the outer periphery of the torsion spring pre-tightening shaft and the torsion spring pre-tightening lift power source of driving the torsion spring pre-tightening lift pin lift, the torsion spring pre-tightening position is located on the torsion spring pre-tightening platform, has set up the outside along end positioning slot for positioning torsion spring on the torsion spring pre-tightening platform, has set up the inside along end pre-tightening positioning slot for positioning torsion spring on the torsion spring pre-tightening shaft, the torsion spring pre-tightening lift pin with the torsion spring pre-tightening lift power source action pushes the torsion spring pre-tightening position on pre-tightening completed torsion spring to the torsion spring removes and gets subassembly.

[0010] The utility model further sets up and is still equipped with a plurality of pre-tightening angle probes on the outer periphery of the torsion spring pre-tightening shaft, the torsion spring pre-tightening angle sheet is equipped on the torsion spring pre-tightening shaft, and the torsion spring pre-tightening angle sheet rotates in turn through the pre-tightening angle probe with the torsion spring pre-tightening shaft.

[0011] The utility model further sets up and is torsion spring conveying subassembly including torsion spring conveying rack, the torsion spring horizontal movement power source of being located on the torsion spring conveying rack, the torsion spring horizontal movement board driven by the torsion spring horizontal movement power source, the torsion spring vertical movement power source of being connected on the torsion spring horizontal movement board and the torsion spring vertical movement board driven by the torsion spring vertical movement power source.

[0012] The utility model further sets up and is the torsion spring removes and gets subassembly including the torsion spring removes and gets axle of being connected on the torsion spring vertical movement board, the torsion spring removes and gets limit post of being connected on the outside of the torsion spring removes and gets axle, the torsion spring presss from both sides power source of being connected on the torsion spring vertical movement board and the torsion spring presss from both sides rod driven by the torsion spring presss from both sides power source, has set up the inside along end removes and gets positioning slot for positioning torsion spring on the torsion spring removes and gets axle, the torsion spring removes and gets limit post is used for the outside along end of hanging torsion spring, the torsion spring presss from both sides rod is located the outer periphery of the torsion spring removes and gets axle, and the end of the torsion spring presss from both sides rod with the torsion spring presss from both sides power source action presses the torsion spring on the torsion spring removes and gets axle to assembly tool / product.

[0013] The utility model further sets up the inner along end of the torsional spring shift and take axis and the inner along end of the torsional spring of being pre -tight compression are opposite, the torsional spring shift and take limit post and the outer along end of the torsional spring of being pre -tight compression are opposite.

[0014] The utility model further sets up the torsional spring clamping subassembly includes first torsional spring clamping subassembly and second torsional spring clamping subassembly, the first torsional spring clamping subassembly includes the first torsional spring clamping power source of being connected on the torsional spring vertical shift board and is driven the first torsional spring clamping power source of first torsional spring clamping finger, the second torsional spring clamping subassembly includes the second torsional spring clamping power source of being connected on the torsional spring vertical shift board and is driven the second torsional spring clamping power source of second torsional spring clamping finger.

[0015] Compared with the prior art, the technical scheme has the following beneficial effects:

[0016] The working mode of the door handle torsional spring automatic assembly mechanism is as follows: the torsional spring vibration disc sends the torsional spring to the torsional spring feeding track in a forward placing posture; when the torsional spring is conveyed to a torsional spring feeding position, the torsional spring forward-backward detection probe detects whether the torsional spring is in a front state or a back state; the torsional spring turnover assembly transfers the torsional spring from the torsional spring feeding position to a torsional spring turnover position, and turns over the torsional spring according to the front-back state of the torsional spring and the current equipment installation direction of the door handle; the torsional spring conveying assembly controls the torsional spring clamping assembly to act, and transfers the turned-over torsional spring from the torsional spring turnover position to a torsional spring adjusting position; the torsional spring angle adjusting assembly adjusts the torsional spring on the torsional spring adjusting position to a target placing angle; the torsional spring conveying assembly controls the torsional spring clamping assembly to act, and transfers the adjusted torsional spring from the torsional spring adjusting position to a torsional spring pre-tightening position; the torsional spring pre-tightening assembly pre-tightens the torsional spring on the torsional spring pre-tightening position; and the torsional spring conveying assembly controls the torsional spring shift and take assembly to act, and the torsional spring shift and take assembly is used to transfer and install the compressed torsional spring on the assembly tool / product.

[0017] The door handle torsional spring automatic assembly mechanism makes the torsional spring reach the torsional spring feeding position in a forward placing posture through the torsional spring vibration disc, so that the torsional spring only has two posture placements in the torsional spring feeding position; the torsional spring forward-backward detection probe accurately identifies the front-back state of the torsional spring, and turns over the torsional spring in combination with the current equipment installation direction of the door handle; the correct placement of the torsional spring in the subsequent assembly steps is ensured; the torsional spring is further adjusted in angle through the torsional spring angle adjusting assembly, so that the torsional spring can be accurately placed in the torsional spring pre-tightening position for pre-tightening compression; the torsional spring pre-tightening assembly cooperates with the torsional spring shift and take assembly to install the pre-tightened torsional spring on the assembly tool / product, so that each torsional spring is assembled with high precision and consistency, and the assembly requirements of the interior door handle and the exterior door handle (different directions of left and right) can be met. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1A door handle torsional spring schematic diagram of the embodiment of the present utility model.

[0019] Figure 2 A door handle torsional spring automatic assembling mechanism perspective view of the embodiment of the present utility model.

[0020] Figure 3 A torsional spring overturning assembly and torsional spring positioning assembly perspective view of the embodiment of the present utility model.

[0021] Figure 4 A torsional spring conveying, angle adjusting, pre-tightening, clamping and moving assembly perspective view of the embodiment of the present utility model.

[0022] Figure 5 A torsional spring moving assembly perspective view of the embodiment of the present utility model.

[0023] Figure 6 A torsional spring angle adjusting assembly perspective view of the embodiment of the present utility model.

[0024] Figure 7 A torsional spring pre-tightening assembly perspective view of the embodiment of the present utility model. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the embodiments of the present utility model clearer, the technical scheme in the embodiments of the present utility model will be described clearly and completely below in combination with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present utility model.

[0026] In combination with the drawings Figure 2 to the drawings Figure 7The utility model discloses technical scheme is a door handle torsional spring automatic assembly mechanism, including torsional spring vibration disc 1 with torsional spring vibration disc 1 connection's torsional spring feed track 2, be located torsional spring feed track 2 side's torsional spring turnover subassembly 3, be located torsional spring feed track 2 side's torsional spring angle adjustment subassembly 4, be located torsional spring feed track 2 side's torsional spring pre-tightening subassembly 5 and be used for torsional spring a transfer's torsional spring conveying subassembly 6, be provided with torsional spring removal and fetch subassembly 7 and at least one torsional spring clamping subassembly 8 on torsional spring conveying subassembly 6, the torsional spring feed track 2 is equipped with torsional spring loading position 21, be equipped with torsional spring positive and negative detection probe 22 on torsional spring loading position 21, be equipped with torsional spring turnover position 31 on torsional spring turnover subassembly 3, be equipped with torsional spring adjustment position 41 on torsional spring angle adjustment subassembly 4, be equipped with torsional spring pre-tightening position 51 on torsional spring pre-tightening subassembly 5, the torsional spring vibration disc 1 is used for with torsional spring a with the positive attitude of placing posture send into torsional spring feed track 2 and convey to torsional spring loading position 21, the torsional spring positive and negative detection probe 22 is used for detecting torsional spring a's positive and negative state on torsional spring loading position 21, the torsional spring turnover subassembly 3 is used for with torsional spring a from torsional spring loading position 21 transfer to torsional spring turnover position 31, and according to the positive and negative state and current equipment to the installation direction of door handle to torsional spring a carry out face turn over, the torsional spring clamping subassembly 8 is used for with torsional spring a from torsional spring turnover position 31 transfer to torsional spring adjustment position 41 and from torsional spring adjustment position 41 transfer to torsional spring pre-tightening position 51, the torsional spring angle adjustment subassembly 4 is used for with torsional spring a on torsional spring adjustment position 41 adjustment to target place angle, the torsional spring pre-tightening subassembly 5 with torsional spring a on torsional spring pre-tightening position 51 carry out torsional compression, the torsional spring removal and fetch subassembly 7 is used for with the torsional spring a of compression transfer and install to assembly tooling / product 10.

[0027] In the embodiment, the working mode of the door handle torsional spring automatic assembly mechanism is as follows: the torsional spring vibration disc 1 sends the torsional spring a into the torsional spring feed track 2 with a positive placing posture; when the torsional spring a is conveyed to the torsional spring loading position 21, the torsional spring positive and negative detection probe 22 detects whether the torsional spring a is in a front state or a back state; the torsional spring turnover subassembly 3 transfers the torsional spring a from the torsional spring loading position 21 to the torsional spring turnover position 31, and turns over the torsional spring a according to the positive and negative state of the torsional spring a and the installation direction of the door handle by the current equipment; the torsional spring conveying subassembly 6 controls the torsional spring clamping subassembly 8 to act, and transfers the turned-over torsional spring a from the torsional spring turnover position 31 to the torsional spring adjustment position 41; the torsional spring angle adjustment subassembly 4 adjusts the torsional spring a on the torsional spring adjustment position 41 to a target placing angle; the torsional spring conveying subassembly 6 controls the torsional spring clamping subassembly 8 to act, and transfers the torsional spring a with the adjusted angle from the torsional spring adjustment position 41 to the torsional spring pre-tightening position 51; the torsional spring pre-tightening subassembly 5 torsionally compresses the torsional spring a on the torsional spring pre-tightening position 51; and the torsional spring conveying subassembly 6 controls the torsional spring removal and fetch subassembly 7 to act, and the torsional spring removal and fetch subassembly 7 is used for transferring and installing the compressed torsional spring a to the assembly tooling / product 10.

[0028] In this embodiment, the torsion spring a is positioned so that its outer edge a1 faces the torsion spring vibratory disk 1 or the torsion spring loading position 21. This positive orientation is achieved based on the torsion spring vibratory disk 1, which automatically sorts and discharges the torsion spring a via a spiral motion, either clockwise or counterclockwise. The weight of the outer edge a1 of the torsion spring a causes it to contact the bottom of the torsion spring feeding track 2, sequentially feeding and discharging the torsion spring a to the torsion spring loading position 21. Since the torsion spring a can exist in both positive and negative positions on the torsion spring feeding track 2, and the positions of the outer edge a1 and inner edge a2 of the torsion spring a differ depending on whether they are in the positive or negative state, the positive or negative state of the torsion spring a is detected by detecting the outer edge a1 and inner edge a2.

[0029] In this embodiment, as shown in the appendix Figure 3 As shown, in the torsion spring feeding track 2, the torsion spring a is placed vertically with its outer edge a1 facing the torsion spring vibrating plate 1 or the torsion spring loading position 21; a torsion spring material detection probe 23 and a torsion spring positioning assembly 9 are also provided on one side of the torsion spring loading position 21. The torsion spring material detection probe 23 is used to detect whether the torsion spring a has reached the torsion spring loading position 21. When the torsion spring a reaches the torsion spring loading position 21, the torsion spring front and back detection probe 22 faces the outer edge a1 / inner edge a2 of the torsion spring a in the front / back state; the torsion spring positioning assembly 9 includes a torsion spring positioning power source 91 and a torsion spring positioning plate 92 driven by the torsion spring positioning power source 91. The torsion spring positioning plate 92 is movably disposed on the side of the torsion spring loading position 21 to prevent the torsion spring a from detaching from the torsion spring loading position 21 before being transferred to the torsion spring flipping position 31.

[0030] In this embodiment, the torsion spring flipping assembly 3 includes a torsion spring flipping telescopic power source 32, a torsion spring flipping telescopic plate 33 driven by the torsion spring flipping telescopic power source 32, a torsion spring flipping power source 34 connected to the torsion spring flipping telescopic plate 33, a torsion spring flipping plate 35 driven by the torsion spring flipping power source 34, a torsion spring flipping clamping power source 36 connected to the torsion spring flipping plate 35, and a torsion spring flipping clamping claw 37 driven by the torsion spring flipping clamping power source 36. The torsion spring flipping position 31 is located between the torsion spring flipping clamping claws 37. The torsion spring flipping telescopic power source 32 controls the torsion spring flipping telescopic plate 33 to move back and forth, so that the torsion spring flipping clamping claw 37 can clamp the torsion spring a from the torsion spring loading position 21. The torsion spring flipping power source 34 controls the torsion spring flipping plate 35 to rotate, so that the torsion spring a changes from a vertical posture to a horizontal posture.

[0031] In the embodiment, the torsion spring angle adjusting assembly 4 comprises a torsion spring angle adjusting bearing plate 42, a torsion spring angle adjusting power source 43 connected to the torsion spring angle adjusting bearing plate 42, a torsion spring angle adjusting shaft 44 driven by the torsion spring angle adjusting power source 43, and a torsion spring angle limiting pin 45 connected to the torsion spring angle adjusting bearing plate 42. The torsion spring adjusting position 41 is located at the end surface of the torsion spring angle adjusting shaft 44. An inner edge end adjusting positioning groove 441 is formed on the torsion spring angle adjusting shaft 44 for positioning the inner edge end of the torsion spring a. The torsion spring angle limiting pin 45 is located on the path of the outer edge end a1 of the torsion spring a rotating with the torsion spring angle adjusting shaft 44. When the torsion spring a is transferred to the torsion spring adjusting position 41, the inner edge end a2 of the torsion spring a is clamped in the inner edge end adjusting positioning groove 441. The torsion spring a is rotated by a certain angle clockwise or counterclockwise by the torsion spring angle adjusting power source 43, and the angle adjustment of the torsion spring a is completed. When assembling in different directions, the position of the torsion spring angle limiting pin 45 on the torsion spring angle adjusting bearing plate 42 can be adjusted.

[0032] In the embodiment, the torsion spring pre-tightening assembly 5 comprises a torsion spring pre-tightening table 52, a torsion spring pre-tightening shaft 53 arranged on the torsion spring pre-tightening table 52, a torsion spring pre-tightening rotating power source 54 for driving the torsion spring pre-tightening shaft 53 to rotate, a torsion spring pre-tightening lifting pin 55 arranged on the outer periphery of the torsion spring pre-tightening shaft 53, and a torsion spring pre-tightening lifting power source 56 for driving the torsion spring pre-tightening lifting pin 55 to lift. The torsion spring pre-tightening position 51 is located on the torsion spring pre-tightening table 52. An outer edge end positioning groove 521 is formed on the torsion spring pre-tightening table 52 for positioning the outer edge end of the torsion spring a. An inner edge end pre-tightening positioning groove 531 is formed on the torsion spring pre-tightening shaft 53 for positioning the inner edge end of the torsion spring a. The torsion spring pre-tightening lifting pin 55 pushes the torsion spring a pre-tightened on the torsion spring pre-tightening position 51 to the torsion spring moving assembly 7 by the action of the torsion spring pre-tightening lifting power source 56. In the embodiment, the outer edge end positioning groove 521 on the torsion spring pre-tightening table 52 is adapted to different direction handle assembly. The inner edge end pre-tightening positioning groove 531 on the torsion spring pre-tightening shaft 53 is adapted to different direction handle assembly. In another embodiment, the torsion spring pre-tightening table 52 can be replaced (adapted to another direction handle assembly).

[0033] In the embodiment, the outer periphery of the torsion spring pre-tightening shaft 53 is further provided with a plurality of pre-tightening angle probes 57. A torsion spring pre-tightening angle piece 532 is arranged on the torsion spring pre-tightening shaft 53. The torsion spring pre-tightening angle piece 532 sequentially passes through the pre-tightening angle probes 57 when the torsion spring pre-tightening shaft 53 rotates. The pre-tightening angle probes 57 can be set according to the angle at which the torsion spring a is to be pre-tightened.

[0034] In the embodiment, the torsion spring transferring assembly 6 comprises a torsion spring transferring frame 61, a torsion spring horizontal moving force source 62 on the torsion spring transferring frame 61, a torsion spring horizontal moving plate 63 driven by the torsion spring horizontal moving force source 62, a torsion spring vertical moving force source 64 connected to the torsion spring horizontal moving plate 63, and a torsion spring vertical moving plate 65 driven by the torsion spring vertical moving force source 64.

[0035] In the embodiment, the torsion spring transferring assembly 6 comprises a torsion spring transferring frame 61, a torsion spring horizontal moving force source 62 on the torsion spring transferring frame 61, a torsion spring horizontal moving plate 63 driven by the torsion spring horizontal moving force source 62, a torsion spring vertical moving force source 64 connected to the torsion spring horizontal moving plate 63, and a torsion spring vertical moving plate 65 driven by the torsion spring vertical moving force source 64.

[0036] In the embodiment, the inner edge end moving positioning groove 711 on the torsion spring moving shaft 71 is aligned with the inner edge end a2 of the torsion spring a after being pre-tightened and compressed, and the torsion spring moving limiting column 72 is aligned with the outer edge end a1 of the torsion spring a after being pre-tightened and compressed.

[0037] In the embodiment, the torsion spring transferring assembly 6 comprises a torsion spring transferring frame 61, a torsion spring horizontal moving force source 62 on the torsion spring transferring frame 61, a torsion spring horizontal moving plate 63 driven by the torsion spring horizontal moving force source 62, a torsion spring vertical moving force source 64 connected to the torsion spring horizontal moving plate 63, and a torsion spring vertical moving plate 65 driven by the torsion spring vertical moving force source 64.

[0038] In the embodiment, the first torsional spring clamping assembly 81, the second torsional spring clamping assembly 82 and the torsional spring moving assembly 7 are all connected to the torsional spring vertical moving plate 65, so that the three assemblies can act synchronously, improving production efficiency; in another embodiment, the three assemblies can also be driven to act by independent torsional spring conveying assemblies.

[0039] The door handle torsional spring automatic assembling mechanism makes the torsional spring a reach the torsional spring feeding position 21 in a forward placing posture through the torsional spring vibration disc 1, makes the torsional spring exist only two postures at the torsional spring feeding position 21, accurately identifies the forward and reverse state of the torsional spring a through the torsional spring forward and reverse detection probe 22, and turns over the torsional spring a in combination with the current equipment installation direction of the door handle, ensures correct placing of the torsional spring a in the subsequent assembling step, further adjusts the angle of the torsional spring through the torsional spring angle adjusting assembly 4, so that the torsional spring a can be accurately placed in the torsional spring pre-tightening position 51 for pre-tightening and compression, the torsional spring pre-tightening assembly 5 cooperates with the torsional spring moving assembly 7 to install the pre-tightened torsional spring a to the assembling tool / product 10, ensures that each torsional spring a is assembled with high precision and consistency, and can adapt to the assembling requirements of the interior door handle and the exterior door handle (different directions of left and right).

[0040] The embodiments in the specification are described in a progressive manner, and each embodiment focuses on the difference from other embodiments, and the same or similar parts of each embodiment can be referred to each other.

[0041] It should also be noted that the relational terms herein such as first and second and the like are used only to differentiate one entity or operation from another, and do not necessarily require or imply that any such actual relationship or order exists between these entities or operations. In addition, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or apparatus. Without more limitations, the element defined by the statement "including a" does not exclude the presence of additional identical elements in the process, method, article or apparatus including the element.

[0042] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the utility model. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the utility model. Therefore, the utility model will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A door handle torsion spring automatic assembly mechanism characterized by, The torsional spring vibration disc, the torsional spring feeding track connected with the torsional spring vibration disc, the torsional spring overturning assembly beside the torsional spring feeding track, the torsional spring angle adjusting assembly beside the torsional spring feeding track, the torsional spring pre-tightening assembly beside the torsional spring angle adjusting assembly, and the torsional spring conveying assembly for torsional spring transfer are provided with a torsional spring picking assembly and at least one torsional spring clamping assembly; the torsional spring feeding track is provided with a torsional spring feeding position, and the torsional spring feeding position is provided with a torsional spring front-back detection probe; the torsional spring overturning assembly is provided with a torsional spring overturning position; the torsional spring angle adjusting assembly is provided with a torsional spring adjusting position; and the torsional spring pre-tightening assembly is provided with a torsional spring pre-tightening position; the torsional spring vibration disc is used for feeding the torsional spring in a front direction into the torsional spring feeding track and conveying the torsional spring to the torsional spring feeding position; the torsional spring front-back detection probe is used for detecting the front-back state of the torsional spring on the torsional spring feeding position; the torsional spring overturning assembly is used for transferring the torsional spring from the torsional spring feeding position to the torsional spring overturning position, and overturning the torsional spring according to the front-back state and the current equipment installation direction of the door handle; the torsional spring clamping assembly is used for transferring the torsional spring from the torsional spring overturning position to the torsional spring adjusting position and from the torsional spring adjusting position to the torsional spring pre-tightening position; the torsional spring angle adjusting assembly is used for adjusting the torsional spring on the torsional spring adjusting position to a target placing angle; the torsional spring pre-tightening assembly is used for pre-tightening the torsional spring on the torsional spring pre-tightening position; and the torsional spring picking assembly is used for transferring and installing the pre-tightened torsional spring on the assembly tool / product.

2. The door handle torsion spring automatic assembly mechanism according to claim 1, characterized in that, The torsional spring in the torsional spring feeding track is vertically placed, and the outer edge end of the torsional spring faces the torsional spring vibration disc or the torsional spring feeding position; one side of the torsional spring feeding position is further provided with a torsional spring material detection probe and a torsional spring positioning assembly; the torsional spring material detection probe is used for detecting whether the torsional spring reaches the torsional spring feeding position; when the torsional spring reaches the torsional spring feeding position, the torsional spring front-back detection probe faces the outer edge end / inner edge end of the torsional spring in the front / back state; and the torsional spring positioning assembly comprises a torsional spring positioning power source and a torsional spring positioning plate driven by the torsional spring positioning power source, and the torsional spring positioning plate is movably arranged on the side of the torsional spring feeding position.

3. The door handle torsion spring automatic assembly mechanism according to claim 1, characterized in that, The torsional spring overturning assembly comprises a torsional spring overturning telescopic power source, a torsional spring overturning telescopic plate driven by the torsional spring overturning telescopic power source, a torsional spring overturning power source connected to the torsional spring overturning telescopic plate, a torsional spring overturning plate driven by the torsional spring overturning power source, a torsional spring overturning clamping power source connected to the torsional spring overturning plate, and a torsional spring overturning clamping claw driven by the torsional spring overturning clamping power source; and the torsional spring overturning position is located between the torsional spring overturning clamping claws.

4. The door handle torsion spring automatic assembly mechanism according to claim 1, characterized in that, The torsional spring angle adjusting assembly comprises a torsional spring angle adjusting bearing plate, a torsional spring angle adjusting power source connected to the torsional spring angle adjusting bearing plate, a torsional spring angle adjusting shaft driven by the torsional spring angle adjusting power source, and a torsional spring angle limiting pin connected to the torsional spring angle adjusting bearing plate; the torsional spring adjusting position is located at an end surface of the torsional spring angle adjusting shaft, an inner edge end adjusting positioning groove for positioning the torsional spring is formed on the torsional spring angle adjusting shaft, and the torsional spring angle limiting pin is located on a path of the outer edge end of the torsional spring rotating with the torsional spring angle adjusting shaft.

5. The door handle torsion spring automatic assembly mechanism according to claim 1, characterized in that, The torsional spring pre-tightening assembly comprises a torsional spring pre-tightening platform, a torsional spring pre-tightening shaft arranged on the torsional spring pre-tightening platform, a torsional spring pre-tightening rotating power source for driving the torsional spring pre-tightening shaft to rotate, a torsional spring pre-tightening lifting pin arranged on an outer periphery of the torsional spring pre-tightening shaft, and a torsional spring pre-tightening lifting power source for driving the torsional spring pre-tightening lifting pin to lift and drop, the torsional spring pre-tightening position is located on the torsional spring pre-tightening platform, an outer edge end positioning groove for positioning the torsional spring is formed on the torsional spring pre-tightening platform, an inner edge end pre-tightening positioning groove for positioning the torsional spring is formed on the torsional spring pre-tightening shaft, and the torsional spring pre-tightening lifting pin pushes the torsional spring pre-tightened on the torsional spring pre-tightening position to the torsional spring moving and taking assembly with the action of the torsional spring pre-tightening lifting power source.

6. A door handle torsion spring automatic assembly mechanism according to claim 5, characterized in that, The outer periphery of the torsional spring pre-tightening shaft is further provided with a plurality of pre-tightening angle probes, and a torsional spring pre-tightening angle piece is arranged on the torsional spring pre-tightening shaft, which sequentially passes through the pre-tightening angle probes with the rotation of the torsional spring pre-tightening shaft.

7. The door handle torsion spring automatic assembly mechanism according to claim 1, characterized in that, The torsional spring conveying assembly comprises a torsional spring conveying rack, a torsional spring horizontal moving power source located on the torsional spring conveying rack, a torsional spring horizontal moving plate driven by the torsional spring horizontal moving power source, a torsional spring vertical moving power source connected to the torsional spring horizontal moving plate, and a torsional spring vertical moving plate driven by the torsional spring vertical moving power source.

8. A door handle torsion spring automatic assembly mechanism according to claim 7, characterized in that, The torsional spring moving and taking assembly comprises a torsional spring moving and taking shaft connected to the torsional spring vertical moving plate, a torsional spring moving and taking limiting column connected to the outer side of the torsional spring moving and taking shaft, a torsional spring pressing power source connected to the torsional spring vertical moving plate, and a torsional spring pressing rod driven by the torsional spring pressing power source, an inner edge end moving and taking positioning groove for positioning the torsional spring is formed on the torsional spring moving and taking shaft, the torsional spring moving and taking limiting column is used for hanging the outer edge end of the torsional spring, the torsional spring pressing rod is located on the outer periphery of the torsional spring moving and taking shaft, and the end of the torsional spring pressing rod presses the torsional spring on the torsional spring moving and taking shaft to the assembly tool / product with the action of the torsional spring pressing power source.

9. A door handle torsion spring automatic assembly mechanism according to claim 8, characterized in that, The inner edge end moving and taking positioning groove on the torsional spring moving and taking shaft is aligned with the inner edge end of the torsional spring pre-tightened and compressed, and the torsional spring moving and taking limiting column is aligned with the outer edge end of the torsional spring pre-tightened and compressed.

10. The door handle torsion spring automatic assembly mechanism according to claim 7, characterized in that, The torsional spring clamping assembly comprises a first torsional spring clamping assembly and a second torsional spring clamping assembly, the first torsional spring clamping assembly comprises a first torsional spring clamping power source connected to the torsional spring vertical moving plate and a first torsional spring clamping finger driven by the first torsional spring clamping power source, and the second torsional spring clamping assembly comprises a second torsional spring clamping power source connected to the torsional spring vertical moving plate and a second torsional spring clamping finger driven by the second torsional spring clamping power source.

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