Spring pre-tensioning device with mixing prevention and automatic discharging functions

Abstract

The utility model relates to the technical field of spring detection, and discloses a spring pre-tensioning device with anti-mixing and automatic unloading functions, which comprises a base, a shell is arranged on the upper surface of the base, and a spring pre-tensioning mechanism for detecting the tensile strength of a spring is mounted on the upper surface of the base. An automatic discharging mechanism used for discharging the springs is arranged on one side of an inner cavity of the shell, and a discharging channel used for discharging the springs is arranged on the upper surface of the base. Through cooperation of the base, the shell, the spring pre-tensioning mechanism, the automatic discharging mechanism and the automatic opening and closing mechanism, the two ends of a plurality of springs are conveniently and rapidly fixed through the spring pre-tensioning mechanism so that the tensile effect of the springs can be conveniently detected, meanwhile, the detected springs can be rapidly discharged through the automatic discharging mechanism, the spring discharging efficiency is improved, and the labor intensity of workers is reduced. And the quick opening and closing mechanism is used for conveniently stopping the spring, other materials are prevented from being mixed in, and the production efficiency of the spring is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to spring detection technical field, concretely is a kind of spring pre-tensioning device with anti-mixing and automatic unloading function. BACKGROUND

[0002] Tension spring is the spring that bears axial tension, is widely used in automobile, medical treatment, aviation, machinery, electronics, electric power and so on, under the light weight technology requirement of today, the design space of many tension springs is limited to certain, the spring designed under limited condition has certain plastic deformation after providing enough load, thus needs to be pre-tensioned in spring production process;

[0003] However, the general pre-tensioning equipment on the market does not have the functions of automatic unloading and anti-mixing, resulting in low production efficiency and causing the problem of secondary rework, therefore we need to propose a spring pre-tensioning device with anti-mixing and automatic unloading function. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of spring pre-tensioning device with anti-mixing and automatic unloading function, it is convenient to simultaneously pre-tensioning to multiple groups of springs, so as to quickly detect the tensile effect of spring, it is convenient to unload the spring after detection simultaneously, improve the unloading efficiency of pre-tensioned spring, to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of spring pre-tensioning device with anti-mixing and automatic unloading function, including base, the upper surface of the base is provided with shell, the upper surface of the base is installed with the spring pre-tensioning mechanism for the spring tensile detection, the inner chamber of the shell is provided with the automatic unloading mechanism for the spring unloading on one side, the upper surface of the base is provided with the discharging channel for the spring unloading, the discharging end of the discharging channel is provided with the automatic opening and closing mechanism for preventing spring plugging;

[0006] The automatic unloading mechanism includes two groups of air cylinders arranged on one side of the inner chamber of the shell, the telescopic end of the two groups of air cylinders is provided with unloading plate for the spring unloading, and the two groups of unloading plates are symmetrically arranged.

[0007] Preferably, the spring pre-tensioning mechanism includes a frame fixedly connected to the upper surface of the base, one side of the frame is provided with a hydraulic cylinder, the telescopic end of the hydraulic cylinder is provided with a connecting seat, and one end of the connecting seat and one side of the inner chamber of the frame are provided with spring hanging pieces.

[0008] Preferably, the spring hanging piece includes a fixed plate and a plurality of right-angle hooks, the plurality of right-angle hooks are fixedly connected to one side of the fixed plate, the plurality of right-angle hooks are arranged at equal intervals, and the plurality of right-angle hooks are arranged in a linear form.

[0009] Preferably, the other side of the set of fixed plates is fixedly connected with two sets of guide rods penetrating the frame, and one side of the frame is provided with a sliding sleeve for sliding arrangement of the guide rods.

[0010] Preferably, one side of the shell is provided with an operation screen, and one side of the shell is provided with a double-door.

[0011] Preferably, the automatic opening and closing mechanism comprises mounting seats rotatably arranged on both sides of the inner cavity of the discharging channel, and the opposite sides of the two sets of mounting seats are provided with electric push rods, the telescopic ends of the electric push rods are rotatably provided with hinge seats, and one side of the hinge seat is provided with a baffle.

[0012] Preferably, the discharging end of the discharging channel is provided with a discharging hopper, and the baffle is fixedly connected with protrusions rotatably arranged at the upper ends on both sides of the inner cavity of the discharging channel.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The utility model discloses a spring tension detection device, which comprises a base, a shell, a spring pre-tensioning mechanism, an automatic unloading mechanism and an automatic opening and closing mechanism. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram of the utility model;

[0016] Figure 2 It is the automatic opening and closing mechanism structure schematic diagram of the utility model;

[0017] Figure 3 It is the spring pre-tensioning mechanism structure schematic diagram of the utility model;

[0018] Figure 4 It is the automatic unloading mechanism structure schematic diagram of the utility model.

[0019] In the drawing: 1, base;2, shell;3, operation screen;4, spring pre-tensioning mechanism;41, frame;42, hydraulic oil cylinder;43, connecting seat;44, spring hanging part;441, fixed plate;442, right-angle hook;45, sliding sleeve;46, guide rod;5, automatic unloading mechanism;51, air cylinder;52, unloading plate;6, double-door;7, discharging channel;8, automatic opening and closing mechanism;81, mounting seat;82, electric push rod;83, hinge seat;84, baffle;9, discharging hopper. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0021] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a spring pre-tensioning device with anti-mixing and automatic unloading function, including base 1, the upper surface of base 1 is provided with shell 2, the upper surface of base 1 is equipped with the spring pre-tensioning mechanism 4 for spring tensile detection, the inner chamber of shell 2 is provided with the automatic unloading mechanism 5 for spring unloading on one side, the upper surface of base 1 is provided with the blanking passageway 7 for spring unloading, the discharge end of blanking passageway 7 is provided with the automatic opening and closing mechanism 8 for preventing spring plugging;

[0022] Automatic unloading mechanism 5 includes two groups of air cylinders 51 arranged in the inner chamber of shell 2, the telescopic end of two groups of air cylinders 51 is provided with the unloading plate 52 for spring unloading, and two groups of unloading plates 52 are symmetrically arranged.

[0023] Spring pre-tensioning mechanism 4 includes frame 41 fixedly connected to the upper surface of base 1, one side of frame 41 is provided with hydraulic cylinder 42, the telescopic end of hydraulic cylinder 42 is provided with connecting seat 43, one end of connecting seat 43 and the inner chamber of frame 41 are provided with spring hanging device 44, the position of one group of spring hanging device 44 is adjusted by hydraulic cylinder 51, and the maximum stroke of hydraulic cylinder 42 is set to 600mm, and hydraulic cylinder 42 is controlled by plc.

[0024] Spring hanging device 44 includes fixed plate 441 and multiple groups of right-angle hooks 442, multiple groups of right-angle hooks 442 are fixedly connected to one side of fixed plate 441, multiple groups of right-angle hooks 442 are arranged at equal intervals, and multiple groups of right-angle hooks 442 are arranged in a linear form, so that multiple groups of right-angle hooks 442 facilitate quick hanging of springs, thereby facilitating pre-tensioning test of springs, and quick test of springs can be realized, and the end of right-angle hook 442 is close to double door 6, facilitating unloading of springs.

[0025] The other side of one group of fixed plate 441 is fixedly connected with two groups of guide rods 46 penetrating frame 41, one side of frame 41 is provided with sliding sleeve 45 for sliding arrangement of guide rod 46, and the stability of movement of spring hanging device 44 is improved by sliding sleeve 45 and guide rod 46, thereby improving the accuracy of spring pre-tensioning test results, and the influence of shaking of spring hanging device 44 on test results is avoided.

[0026] One side of the shell 2 is provided with the operation screen 3, and one side of the shell 2 is provided with the double-opening door 6, the program setting is facilitated through the operation screen 3, the practicability is improved, and the spring hanging is facilitated through the double-opening door 6.

[0027] The automatic opening and closing mechanism 8 comprises the mounting seat 81 rotatably arranged on both sides of the inner cavity of the discharging channel 7, and the opposite side of the two groups of mounting seats 81 is provided with the electric push rod 82, the telescopic end of the electric push rod 82 is rotatably provided with the hinge seat 83, and the hinge seat 83 is provided with the baffle 84 on one side.

[0028] The discharging end of the discharging channel 7 is provided with the discharging hopper 9, and the upper end of the baffle 84 on both sides is fixedly connected with the protruding block rotatably arranged on the upper end of the inner cavity of the discharging channel 7.

[0029] In use, the two ends of the spring are hung on the corresponding right-angle hooks 442 by opening the double-opening door 6, the position of the spring hanging piece 44 is moved through the operation screen 3 to control the hydraulic cylinder 51, so that the pre-tensioning of the hung spring is facilitated, and the stroke of the hydraulic cylinder 42 is set through the operation screen 3, after the spring is pre-tensioned, the position of the discharging plate 52 is adjusted through the cylinder 51, so that the pre-tensioned spring is conveniently discharged, the spring is separated from the right-angle hook 442 and falls into the discharging channel 7, and the automatic opening and closing mechanism 8 can avoid mixing of the pre-detected spring and the post-detected spring, so that the detection efficiency of the spring is improved, the production efficiency is improved, and the secondary rework of the spring can be avoided.

[0030] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A spring pre-tensioning device with anti-mixing and automatic unloading functions, comprising a base (1), characterized in that: The upper surface of the base (1) is provided with a shell (2), the upper surface of the base (1) is provided with a spring pre-tensioning mechanism (4) for spring tension detection, one side of the inner cavity of the shell (2) is provided with an automatic unloading mechanism (5) for spring unloading, the upper surface of the base (1) is provided with a discharging channel (7) for spring unloading, and the discharge end of the discharging channel (7) is provided with an automatic opening and closing mechanism (8) for preventing spring blockage. The automatic unloading mechanism (5) comprises two groups of air cylinders (51) arranged on one side of the inner cavity of the shell (2), and the telescopic ends of the two groups of air cylinders (51) are provided with unloading plates (52) for spring unloading, and the two groups of unloading plates (52) are symmetrically arranged.

2. The spring pre-tensioning device with anti-mixing and automatic unloading functions according to claim 1, characterized in that: The spring pre-tensioning mechanism (4) comprises a frame (41) fixedly connected to the upper surface of the base (1), one side of the frame (41) is provided with a hydraulic oil cylinder (42), the telescopic end of the hydraulic oil cylinder (42) is provided with a connecting seat (43), and one end of the connecting seat (43) and one side of the inner cavity of the frame (41) are provided with spring hanging pieces (44).

3. The spring pre-tensioning device with anti-mixing and automatic unloading functions according to claim 2, characterized in that: The spring hanging piece (44) comprises a fixed plate (441) and a plurality of right-angle hooks (442), a plurality of right-angle hooks (442) are fixedly connected to one side of the fixed plate (441), a plurality of right-angle hooks (442) are arranged at equal intervals, and a plurality of right-angle hooks (442) are arranged in a linear type.

4. The spring pre-tensioning device with anti-mixing and automatic unloading functions according to claim 3, characterized in that: The other side of one of the fixed plates (441) is fixedly connected with two groups of guide rods (46) penetrating the frame (41), and one side of the frame (41) is provided with a sliding sleeve (45) for slidingly arranging the guide rod (46).

5. The spring pre-tensioning device with anti-mixing and automatic unloading function according to claim 4, characterized in that: One side of the shell (2) is provided with an operation screen (3), and one side of the shell (2) is provided with a double-door (6).

6. The spring pre-tensioning device with anti-mixing and automatic unloading function according to claim 5, characterized in that: The automatic opening and closing mechanism (8) comprises a mounting seat (81) rotatably arranged in the inner cavity of the discharging channel (7), and the opposite sides of the two groups of mounting seats (81) are provided with electric push rods (82), the telescopic ends of the electric push rods (82) are rotatably provided with hinge seats (83), and one side of the hinge seat (83) is provided with a baffle (84).

7. The spring pre-tensioning device with anti-mixing and automatic unloading function according to claim 6, characterized in that: The discharge end of the discharging channel (7) is provided with a discharging hopper (9), and the baffle (84) is fixedly connected with a protrusion rotatably arranged at the upper end of the inner cavity of the discharging channel (7).

Images