Screw feeding device

Abstract

A screw feeding device comprises a screw guiding clamping jaw used for obtaining and guiding screws; the movable air cylinder is movably arranged below the screw guide clamping jaw, reciprocates between a first position and a second position and is used for moving the screws to a feeding position; and the screw clamping jaw is arranged on the movable air cylinder and used for clamping the screws, when the movable air cylinder moves to the first position, the screw clamping jaw is located below the screw guiding clamping jaw to clamp the screws, and when the movable air cylinder moves to the second position, the screws clamped by the screw clamping jaw are located at the feeding position.

Description

TECHNICAL FIELD

[0001] The utility model relates to automatic production technical field, especially relate to a screw feeding device. BACKGROUND

[0002] The screw automatic feeding machine on the market mainly feeds screw locking device, and has the following two feeding modes, the first feeding mode is that the screw automatic feeding machine feeds the suction nozzle of screw locking device, and the screw locking device takes away the screw through the suction nozzle, the second feeding mode is that the screw automatic feeding machine directly blows the screw below the batch head of screw locking device, and the screw is locked into the screw hole by the batch head.

[0003] At present, there is a lack of screw feeding device for feeding the screw device. UTILITY MODEL CONTENTS

[0004] The utility model provides a screw feeding device, which can solve one or more defects of the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model provides a screw feeding device, which comprises a screw guide clamp for obtaining and guiding the screw; a movable air cylinder movably arranged below the screw guide clamp and reciprocating between a first position and a second position for moving the screw to a feeding position; and a screw clamping clamp arranged on the movable air cylinder for clamping the screw, when the movable air cylinder moves to the first position, the screw clamping clamp is located below the screw guide clamp to clamp the screw, and when the movable air cylinder moves to the second position, the screw clamping clamp clamps the screw at the feeding position.

[0006] According to an embodiment of the utility model, the screw guide clamp comprises a first screw guide clamp comprising a first main body part and a first clamp part, the first clamp part having a first arc-shaped inclined surface and a first arc-shaped vertical surface; and a second screw guide clamp comprising a second main body part and a second clamp part, the second clamp part having a second arc-shaped inclined surface and a second arc-shaped vertical surface.

[0007] According to an embodiment of the utility model, the screw clamping clamp comprises a first screw clamping clamp comprising a third main body part and a third clamp part, the third clamp part having a first chamfer; and a second screw clamping clamp comprising a fourth main body part and a fourth clamp part, the fourth clamp part having a second chamfer.

[0008] According to an embodiment of the utility model, the screw feeding device comprises a height fixing plate arranged on the movable air cylinder, and the third clamp part and the fourth clamp part of the screw clamping clamp are located above the height fixing plate.

[0009] According to an embodiment of the utility model, the screw feeding device further comprises a sensor arranged on the movable air cylinder, when the head of the screw contacts the height fixing plate, the sensor sends an indication signal, and the first screw clamping clamp and the second screw clamping clamp clamp the screw.

[0010] According to an embodiment of the present application, the screw feeding device further comprises a clamping cylinder, the screw clamping jaws are arranged on the clamping cylinder, and the clamping cylinder is arranged on the moving cylinder.

[0011] According to an embodiment of the present application, the screw feeding device further comprises a limiting device, the limiting device is arranged on the clamping cylinder and below the screw clamping jaws, and comprises a first limiting part and a second limiting part arranged oppositely and spaced apart, for limiting the horizontal movement distance of the first screw clamping jaw and the second screw clamping jaw.

[0012] According to an embodiment of the present application, the screw feeding device further comprises a blowing pipe, the blowing pipe is above the screw clamping jaws, and the screw is provided to the screw clamping jaws by blowing.

[0013] The screw feeding device provided by the present application can automatically feed the screw to the screw clamping device, effectively improving the efficiency and automation degree of screw feeding. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions implemented by the present application, the drawings needed in the embodiments will be briefly introduced as follows.

[0015] Figure 1 FIG. 1 is a schematic diagram of the overall structure of the screw feeding device of the present application;

[0016] Figure 2 FIG. 3 is a schematic diagram of the structure of the screw clamping jaw of the present application;

[0017] Figure 3 FIG. 5 is a schematic diagram of the structure of the screw clamping jaw of the present application;

[0018] Figure 4 FIG. 7 is a schematic diagram of the overall structure of the screw feeding device of the present application from another angle;

[0019] Figure 5 FIG. 9 is a schematic diagram of the structure of the screw clamping jaw and the limiting device arranged on the clamping cylinder of the present application. DETAILED DESCRIPTION

[0020] Example implementations will now be described more fully with reference to the accompanying drawings. Example implementations can be implemented in numerous ways, including as a process, an apparatus, a system, a device or a technique. In this specification, these implementations, or any variations of these implementations, can be referred to as "technology." Implementations are described by way of example only, without limiting any examples of implementation to the examples described. It should be appreciated that a person of ordinary skill in the art will be able to practice the example implementations based on the description herein, without contravening the disclosure. In other words, it is contemplated that the example implementations can be carried out in a variety of ways, and that the example implementations can be implemented or applied in conjunction with existing systems and methods.

[0021] In describing the elements / components / etc. described and / or illustrated herein, the terms “a,” “an,” “the,” “at least one,” and “comprising” are used to indicate the presence of one or more elements / components / etc. The terms “comprising,” “including,” and “having” are used to indicate an open-ended inclusion and mean that additional elements / components / etc. may exist in addition to those listed. Furthermore, the terms “first,” “second,” etc., in the claims are used only as illustrative marks and are not intended to limit the numerical scope of the subject matter. The same numbers in the drawings represent the same or similar components. On the other hand, well-known components and steps are not described in the embodiments to avoid unnecessarily limiting this disclosure. Furthermore, for the sake of simplicity in the drawings, some known conventional structures and elements are illustrated in a simple schematic manner.

[0022] The screw feeding device of this utility model includes: a guide screw gripper, a movable cylinder, and a screw clamping gripper. The guide screw gripper is used to acquire and guide the screw; the movable cylinder is movably disposed below the guide screw gripper and reciprocates between a first position and a second position to move the screw to the feeding position; the screw clamping gripper is disposed on the movable cylinder and is used to clamp the screw. When the movable cylinder moves to the first position, the screw clamping gripper is located below the guide screw gripper to clamp the screw; when the movable cylinder moves to the second position, the screw clamping gripper holds the screw in the feeding position.

[0023] Figure 1 This is a schematic diagram of the overall structure of the screw feeding device of this utility model. Figure 1 As shown, the screw feeding device 100 includes: a guide screw gripper 1, a movable cylinder 2, and a clamping screw gripper 3. The guide screw gripper 1 is used to acquire and guide the screw to be supplied to the screw clamping device. The clamping screw gripper 3 is disposed on the movable cylinder 2 and is used to clamp the screw. The movable cylinder 2 is movably disposed below the guide screw gripper 1 and the screw clamping screw 3 clamps the screw and reciprocates between a first position and a second position to supply the screw to the feeding position.

[0024] Figure 2 This is a schematic diagram of the guide pin clamp in this case. Figure 2As shown, the guide pin clamp jaw 1 comprises a first guide pin clamp jaw 11 and a second guide pin clamp jaw 12, the first guide pin clamp jaw 11 comprises a first main body part 11-1 and a first clamp jaw part 11-2, the first clamp jaw part 11-2 has a first arc-shaped inclined surface S1 and a first arc-shaped vertical surface F1; the second guide pin clamp jaw 12 comprises a second main body part 12-1 and a second clamp jaw part 12-2, the second clamp jaw part 12-2 has a second arc-shaped inclined surface S2 and a second arc-shaped vertical surface F2. When the first guide pin clamp jaw 11 and the second guide pin clamp jaw 12 are clamped, the first arc-shaped inclined surface S1 and the second arc-shaped inclined surface S2 are used to guide the screw falling into the guide pin clamp jaw 1, and the first arc-shaped vertical surface F1 and the second arc-shaped vertical surface F2 form a through hole H, the head of the screw falls into the pin clamp jaw 3 below the guide pin clamp jaw 1 through the through hole H.

[0025] Figure 3 The structure diagram of the pin clamp jaw of the present application is shown. As Figure 3 shown, the pin clamp jaw 3 comprises a first pin clamp jaw 31 and a second pin clamp jaw 32, the first pin clamp jaw 31 comprises a third main body part 31-1 and a third clamp jaw part 31-2, the third clamp jaw part 31-2 has a first chamfer R1, the second pin clamp jaw 32 comprises a fourth main body part 32-1 and a fourth clamp jaw part 32-2, the fourth clamp jaw part 32-2 has a second chamfer R2, the first chamfer R1 and the second chamfer R2 expand the falling range of the screw, ensuring that the screw falls accurately between the first pin clamp jaw 31 and the second pin clamp jaw 32.

[0026] Referring to Figure 4 , the screw feeding device 100 further comprises a height setting plate 4, the height setting plate 4 is arranged on the moving cylinder 2, and the third clamp jaw part 31-2 and the fourth clamp jaw part 32-2 of the pin clamp jaw 3 are located above the height setting plate 4, the screw feeding device 100 judges whether the first pin clamp jaw 31 and the second pin clamp jaw 32 need to be clamped according to whether the head of the screw contacts the height setting plate 4.

[0027] Further, the screw feeding device 100 further comprises an inductor 5, the inductor 5 is arranged on the moving cylinder 2, for example, a contrast type inductor, when the head of the screw does not contact the height setting plate 4, the inductor 5 does not send an indication signal, and the first pin clamp jaw 31 and the second pin clamp jaw 32 do not perform any action, when the head of the screw contacts the height setting plate 4, the inductor 5 is triggered by the screw to send an indication signal, and the first pin clamp jaw 31 and the second pin clamp jaw 32 clamp the screw.

[0028] In combination Figure 1 and Figure 5, the screw feeding device 100 further comprises a clamping jaw cylinder 6 arranged on the moving cylinder 2, and the screw clamping jaw 3 is arranged on the clamping jaw cylinder 6. The clamping jaw cylinder 6 is further provided with a limiting device 7 located below the screw clamping jaw 3 and comprising a first limiting part 71 and a second limiting part 72 arranged oppositely and spaced apart, for limiting the horizontal movement distance of the first screw clamping jaw 31 and the second screw clamping jaw 32, that is, the distance between the first screw clamping jaw 31 and the second screw clamping jaw 32.

[0029] In some embodiments, the screw feeding device further comprises a screw blowing pipe (not shown in the figure), which is located above the screw clamping jaw and provides the screw to the screw clamping jaw through blowing.

[0030] The working process of the screw feeding device 100 of the utility model will be described below. Figures 1-5 The working process of the screw feeding device 100 of the utility model will be described below.

[0031] Step 1: the moving cylinder 2 moves to the first position, at this time, the screw clamping jaw 3 is located directly below the screw clamping jaw 1, the first screw clamping jaw 31 and the second screw clamping jaw 32 of the screw clamping jaw 3 are in a loose state, the first screw clamping jaw 11 and the second screw clamping jaw 12 are in a clamped state, and the first arc-shaped vertical surface and the second arc-shaped vertical surface form a through hole H. When the screw falls into the screw clamping jaw 11, the head of the screw first contacts the first arc-shaped inclined surface S1 and the second arc-shaped inclined surface S2 of the screw clamping jaw 11, the screw is guided after passing through S1 and S2, falls into the first screw clamping jaw 31 and the second screw clamping jaw 32 below the screw clamping jaw 1 through the through hole H, and then the first screw clamping jaw 11 and the second screw clamping jaw 12 are loosened.

[0032] Step 2: when the screw is located between the first screw clamping jaw 31 and the second screw clamping jaw 32 and the head of the screw contacts the fixed height plate 4, the sensor 5 sends an indication signal, and the first screw clamping jaw 31 and the second screw clamping jaw 32 clamp the screw.

[0033] Step 3: the moving cylinder 2 moves to the second position through the screw clamping jaw 3 clamping the screw, at this time, the screw is located at the feeding position, after the screw clamping device clamps the screw, the first screw clamping jaw 31 and the second screw clamping jaw 32 are loosened, and then the screw clamping device clamps the screw away.

[0034] Step 4: the moving cylinder 2 moves to the first position to prepare to take the next screw.

[0035] The screw feeding device 100 repeatedly performs the above steps Step 1-Step 4 to realize automatic feeding of the screw clamping device.

[0036] In summary, the screw feeding device provided by the utility model contains: a screw guide clamp jaw for obtaining and guiding the screw; a movable air cylinder movably arranged below the screw guide clamp jaw and reciprocating between a first position and a second position for moving the screw to a feeding position; and a screw clamp jaw arranged on the movable air cylinder for clamping the screw, when the movable air cylinder moves to the first position, the screw clamp jaw is below the screw guide clamp jaw to clamp the screw, when the movable air cylinder moves to the second position, the screw clamp jaw clamps the screw at the feeding position.

[0037] The screw guide clamp jaw contains: a first screw guide clamp jaw containing a first main body part and a first clamp jaw part, the first clamp jaw part has a first arc-shaped inclined surface and a first arc-shaped vertical surface; and a second screw guide clamp jaw containing a second main body part and a second clamp jaw part, the second clamp jaw part has a second arc-shaped inclined surface and a second arc-shaped vertical surface.

[0038] The screw clamp jaw contains: a first screw clamp jaw containing a third main body part and a third clamp jaw part, the third clamp jaw part has a first chamfer; and a second screw clamp jaw containing a fourth main body part and a fourth clamp jaw part, the fourth clamp jaw part has a second chamfer.

[0039] The screw feeding device further contains a height fixing plate, the height fixing plate is arranged on the movable air cylinder, the third clamp jaw part and the fourth clamp jaw part of the screw clamp jaw are above the height fixing plate.

[0040] The screw feeding device further contains a sensor, the sensor is arranged on the movable air cylinder, when the head of the screw contacts the height fixing plate, the sensor sends an indication signal, the first screw clamp jaw and the second screw clamp jaw clamp the screw.

[0041] The screw feeding device further contains a clamp jaw air cylinder, the screw clamp jaw is arranged on the clamp jaw air cylinder, and the clamp jaw air cylinder is arranged on the movable air cylinder.

[0042] The screw feeding device further contains a limiting device, the limiting device is arranged on the clamp jaw air cylinder and below the screw clamp jaw, contains oppositely and spacedly arranged first and second limiting parts for limiting the horizontal moving distance of the first screw clamp jaw and the second screw clamp jaw.

[0043] The screw feeding device further contains a material blowing pipe, the material blowing pipe is above the screw guide clamp jaw.

[0044] The screw feeding device provided by the utility model can automatically feed the screw to the screw clamping device, effectively improving the efficiency and automation degree of screw feeding.

[0045] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of protection of the present application is subject to the scope defined by the appended claims.

Claims

1. A screw feed device characterized by, Comprising: a guide jaw for picking up and guiding a screw; a moving cylinder movably arranged below the guide jaw and reciprocating between a first position and a second position for moving the screw to a feeding position; and a clamping jaw arranged on the moving cylinder for clamping the screw, when the moving cylinder moves to the first position, the clamping jaw is below the guide jaw to clamp the screw, when the moving cylinder moves to the second position, the clamping jaw clamps the screw in the feeding position.

2. The screw feed device of claim 1, wherein, The guide jaw comprises: a first guide jaw comprising a first body part and a first jaw part, the first jaw part having a first arc-shaped inclined surface and a first arc-shaped vertical surface; and a second guide jaw comprising a second body part and a second jaw part, the second jaw part having a second arc-shaped inclined surface and a second arc-shaped vertical surface.

3. The screw feed device of claim 1, wherein, The clamping jaw comprises: a first clamping jaw comprising a third body part and a third jaw part, the third jaw part having a first chamfer; and a second clamping jaw comprising a fourth body part and a fourth jaw part, the fourth jaw part having a second chamfer.

4. The screw feed device of claim 3, wherein, Further comprising a height setting plate arranged on the moving cylinder, the third jaw part and the fourth jaw part of the clamping jaw are above the height setting plate.

5. The screw feed device of claim 4, wherein, Further comprising a sensor arranged on the moving cylinder, when the head of the screw contacts the height setting plate, the sensor sends an indication signal, the first clamping jaw and the second clamping jaw clamp the screw.

6. The screw feed device of claim 3, wherein, Further comprising a jaw cylinder arranged on the moving cylinder, the clamping jaw is arranged on the jaw cylinder.

7. The screw feed device of claim 6, wherein, Further comprising a limiting device arranged on the jaw cylinder and below the clamping jaw, comprising a first limiting part and a second limiting part arranged oppositely and spaced apart, for limiting the horizontal movement distance of the first clamping jaw and the second clamping jaw.

8. The screw feed device of claim 1, wherein, Further comprising a material blowing pipe above the guide jaw.

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