Material taking clamping jaw

Abstract

The utility model relates to the technical field of clamping devices, and provides a material taking clamping jaw which comprises a supporting frame. The at least two abutting pieces are movably arranged on the supporting frame; the driving piece is connected to the supporting frame; each abutting piece corresponds to one connecting rod assembly, and the other end of each connecting rod assembly is connected to the output end of the driving piece; the material taking clamping jaw comprises a supporting and abutting stroke and a contracting stroke. Compared with the prior art, the material taking clamping jaw has the advantages that the at least two abutting pieces are movably arranged on the supporting frame, the driving piece is used for controlling the abutting pieces to be separated or drawn close, and effective clamping and releasing of the material taking clamping jaw on a finished product shell are achieved. The process not only ensures the appearance quality of the shell and enables the shell to meet the initial design standard and quality requirements, but also improves the production efficiency and the automation degree.

Description

TECHNICAL FIELD

[0001] The utility model relates to a clamping device technical field, concretely is a kind of material taking clamp jaw. BACKGROUND

[0002] For plastic shell parts, for example, the shell of dehumidifier, usually adopt injection molding mode to produce.In manufacturing process, dehumidifier shell is completed in injection mold and after preliminary cooling, mold will be opened operation.Subsequently, the ejection structure on injection mold is used to push the dehumidifier shell formed from mold.This production mode is very suitable for the dehumidifier shell with two opposite opening design.

[0003] However, for those with notches on top and bottom, and wall thickness is thin (about 2mm) while having higher requirements on appearance dehumidifier shell, traditional ejection method can bring some problems.When using the ejection structure of mold to eject such shell from mold, it is easy to leave obvious ejection marks on the end of shell.These marks not only affect the appearance of product, but also may not meet the original design standards and quality requirements of dehumidifier shell. SUMMARY

[0004] The utility model solves the technical problem to be solved to the present situation of prior art and provides a kind of material taking clamp jaw.

[0005] The utility model solves the technical problem of the above technical scheme, which is a kind of material taking clamp jaw, comprising: support frame;

[0006] At least two abutting elements, at least two abutting elements are movably arranged on the support frame;

[0007] Driving element, connected to the support frame;

[0008] Connecting rod assembly, each abutting element corresponds to one connecting rod assembly, and the other end of the connecting rod assembly is connected to the output end of the driving element;

[0009] The material taking clamp jaw includes support abutting stroke and contraction stroke;

[0010] When in the support abutting stroke, at least two abutting elements are away from each other, for increasing the maximum distance between at least two abutting elements;

[0011] When in the contraction stroke, at least two abutting elements are close to each other, for reducing the maximum distance between at least two abutting elements.

[0012] In the above-mentioned material taking clamp jaw, the support frame is provided with a fixing seat, and the connecting rod assembly comprises:

[0013] a connecting seat connected to the fixing seat;

[0014] a first connecting rod, one end of which is hingedly connected to the abutting member, and the other end of which is hingedly connected to the connecting seat;

[0015] a second connecting rod, a middle portion of which is hingedly connected to the connecting seat, one end of which is hingedly connected to the abutting member, and the other end of which is hingedly connected to the output end of the driving member.

[0016] In the above-described material taking gripper, the output end of the driving member is provided with a first connecting block, the first connecting block is provided with a connecting portion corresponding to the abutting member one by one, and one end of the second connecting rod is hingedly connected to the connecting portion.

[0017] In the above-described material taking gripper, a waist-shaped hole is arranged on the connecting portion, and a connecting shaft is arranged on the second connecting rod, the connecting shaft being inserted into the waist-shaped hole.

[0018] In the above-described material taking gripper, the fixing seat is provided with a first positioning groove corresponding to the connecting rod assembly one by one, and the connecting seat is fixed in the first positioning groove.

[0019] In the above-described material taking gripper, an avoiding groove is arranged on each of the first connecting rod and the second connecting rod, the avoiding groove being used to provide an avoiding space for rotation between the first connecting rod, the second connecting rod and the connecting seat when the first connecting rod and the second connecting rod rotate.

[0020] In the above-described material taking gripper, the abutting member comprises:

[0021] two main blocks, the two main blocks being arranged on two sides of the first connecting rod and the second connecting rod;

[0022] a second connecting block connected to one end of the two main blocks;

[0023] an abutting block connected to one end of the second connecting block away from the main blocks.

[0024] In the above-described material taking gripper, one end of the second connecting block away from the abutting block is provided with a second positioning groove, and one end of the main block is fixed in the second positioning groove.

[0025] In the above-described material taking gripper, one end of the abutting block away from the second connecting block is provided with a plurality of abutting protrusions.

[0026] In the above-described material taking gripper, the abutting member has four, and the four abutting members are arranged on the support frame in a ring shape and uniformly spaced apart.

[0027] Compared with the prior art, the advantages of the utility model lie in that at least two abutting pieces are movably arranged on the support frame, and the separation or closing action of the abutting pieces is controlled by the driving piece, so that the effective clamping and releasing of the finished product shell by the material taking clamp jaw are realized. This process not only guarantees the appearance quality of the shell, makes it meet the original design standard and quality requirement, but also improves the production efficiency and automation degree. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 is a perspective view of the material taking clamp jaw of the utility model;

[0029] Figure 2 is a plan view when being in the abutting state;

[0030] Figure 3 is a plan view when being in the contraction state;

[0031] Figure 4 is a perspective view when the driving piece is connected on the support frame;

[0032] Figure 5 is a perspective view when the abutting piece is connected on the connecting rod assembly.

[0033] In the drawing, 1, support frame; 2, abutting piece; 3, driving piece; 4, connecting rod assembly; 5, connecting seat; 6, fixed seat; 7, first connecting rod; 8, second connecting rod; 9, first connecting block; 10, connecting part; 11, waist-shaped hole; 12, connecting shaft; 13, first positioning groove; 14, avoiding groove; 15, main block; 16, second connecting block; 17, abutting block; 18, second positioning groove; 19, abutting convex block. DETAILED DESCRIPTION

[0034] The following is a specific embodiment of the utility model and further describes the technical scheme of the utility model in combination with the drawings, but the utility model is not limited to these embodiments.

[0035] As Figures 1 to 5 shown, the utility model discloses a material taking clamp jaw, which comprises a support frame 1, at least two abutting pieces 2, a driving piece 3 and a connecting rod assembly 4.

[0036] Specifically, the at least two abutting pieces 2 are movably arranged on the support frame 1; the driving piece 3 is connected on the support frame 1; the connecting rod assembly 4 is correspondingly arranged on each abutting piece 2, and the other end of the connecting rod assembly 4 is connected on the output end of the driving piece 3; the material taking clamp jaw comprises a support abutting stroke and a contraction stroke; when being in the support abutting stroke, the at least two abutting pieces 2 are away from each other, so as to increase the maximum distance between the at least two abutting pieces 2; when being in the contraction stroke, the at least two abutting pieces 2 are close to each other, so as to reduce the maximum distance between the at least two abutting pieces 2.

[0037] In one embodiment, four abutting members 2 are provided, which are evenly spaced in a ring shape on the support frame 1. Of course, the number of abutting members 2 on the support frame 1 can also be three, five, six, etc., depending on actual requirements. When the cavity side wall of the shell is planar, the end face of the abutting member 2 is correspondingly designed as a planar surface; and when the cavity side wall of the shell is curved, the end face of the abutting member 2 is designed as a curved surface matching the cavity side wall, so as to ensure that the abutting member 2 can firmly adhere to the cavity side wall of the shell.

[0038] In the initial state (see Figure 3 ), the driving member 3 drives the four abutting members 2 to move inwardly through the linkage assembly 4, so that the width of the fastening surface formed by the outer end face of the abutting member 2 is smaller than the width of the inner wall of the shell, thereby allowing the four abutting members 2 to smoothly enter the inner cavity of the shell. After the injection mold is opened, as the four abutting members 2 enter the inner cavity of the shell and reach the predetermined position, the driving member 3 again acts through the linkage assembly 4 to drive the four abutting members 2 to expand outwardly until they can firmly abut against the cavity side wall of the shell. At this time, by reversely moving the material taking gripper, the purpose of separating the shell from the injection mold is achieved by using the friction or clamping force between the abutting member 2 and the shell.

[0039] In this scheme, by movably arranging at least two abutting members 2 on the support frame 1 and controlling the separation or closing action of these abutting members 2 by the driving member 3, the effective clamping and releasing of the finished shell by the material taking gripper are achieved. This process not only guarantees the appearance quality of the shell, so that it meets the initial design standards and quality requirements, but also improves the production efficiency and automation level.

[0040] The support frame 1 is provided with a fixed seat 6, and the linkage assembly 4 includes: a connecting seat 5 connected to the fixed seat 6, the fixed seat 6 providing support for the linkage assembly 4 through the connecting seat 5; a first linkage 7, one end of which is hinged to the abutting member 2 and the other end is hinged to the connecting seat 5; and a second linkage 8, the middle part of which is hinged to the connecting seat 5, one end of the second linkage 8 being hinged to the abutting member 2 and the other end being hinged to the output end of the driving member 3.

[0041] Referring to Figure 3 Taking the left abutting member 2 as an example, the first linkage 7, the second linkage 8 and the connecting seat 5 form a stable four-bar linkage mechanism. When the output end of the driving member 3 moves upward, since the driving member 3 is hinged to one end of the second linkage 8, this will cause the second linkage 8 to rotate about the hinge point between the second linkage 8 and the connecting seat 5 along the direction of the arrow A, thereby causing the first linkage 7 to rotate about the hinge point between the first linkage 7 and the connecting seat 5 along the direction of the arrow B. Figure 3The rotation is counterclockwise as shown. As the second link 8 rotates, it drives the abutment 2 to move downward and to the left through the first link 7 and the connecting seat 5, thereby moving the abutment 2 outward away from the support frame 1. Similarly, the other three abutments 2 also move away from the support frame 1 under the action of their respective link assemblies 4, ultimately ensuring that all abutments 2 are firmly pressed against the inner wall of the outer shell cavity.

[0042] Reference Figure 2 When the output end of the drive member 3 moves downward, since the drive member 3 is hinged to one end of the second link 8, this will cause the second link 8 to move around the hinge point between itself and the connecting seat 5. Figure 2 The rotation is clockwise as shown. With the rotation of the second link 8, it drives the clamping member 2 to move upwards and to the right via the first link 7 and the connecting seat 5, thereby causing the clamping member 2 to move inwards towards the support frame 1. Similarly, the other three clamping members 2, under the action of their respective link assemblies 4, also move towards the support frame 1, ultimately releasing all the clamping members 2 from the inner wall of the outer shell, allowing the finished outer shell to be removed.

[0043] The output end of the drive component 3 is provided with a first connecting block 9, and the first connecting block 9 is provided with a connecting part 10 corresponding to the abutment 2. One end of the second connecting rod 8 is hinged to the connecting part 10 to realize the hinge between the second connecting rod 8 and the output end of the drive component 3.

[0044] Reference Figure 4 and Figure 5 The connecting part 10 is provided with a waist-shaped hole 11, and the second connecting rod 8 is provided with a connecting shaft 12, which is inserted into the waist-shaped hole 11.

[0045] During the process where the driving component 3 moves the first connecting block 9, thereby causing the second connecting rod 8 to rotate, the design of the oblong hole 11 and the connecting shaft 12 allows the second connecting rod 8 to have a certain displacement relative to the first connecting block 9. This design ensures that when the first connecting block 9 drives the second connecting rod 8 to rotate, jamming between the second connecting rod 8 and the first connecting block 9 can be avoided.

[0046] Reference Figure 4 The fixed base 6 is provided with a first positioning groove 13 corresponding to the connecting rod assembly 4. The connecting seat 5 is fixed in the first positioning groove 13 and is used to limit the connection seat 5 when it is installed on the fixed base 6.

[0047] Reference Figure 5The first connecting rod 7 and the second connecting rod 8 are both provided with an avoiding slot 14, which is used to provide an avoiding space for the rotation between the first connecting rod 7, the second connecting rod 8 and the connecting base 5 when the first connecting rod 7 and the second connecting rod 8 rotate, so as to prevent the first connecting rod 7 and the second connecting rod 8 from interfering with the connecting base 5 when rotating.

[0048] With reference to Figure 3 The abutting piece 2 comprises two main blocks 15, which are respectively arranged on the two sides of the first connecting rod 7 and the second connecting rod 8; a second connecting block 16, which is connected to one end of the two main blocks 15; and an abutting block 17, which is connected to the end of the second connecting block 16 away from the main blocks 15.

[0049] The main blocks 15 are preferably designed in a closed Y shape, which facilitates the hinging between the first connecting rod 7, the second connecting rod 8 and the main blocks 15. The other end of the second connecting block 16 is used to increase the connecting area between the second connecting block 16 and the main blocks 15, so as to make the structure of the abutting piece 2 more stable. The abutting block 17 is used for the direct contact between the abutting piece 2 and the shell.

[0050] With reference to Figure 5 The end of the second connecting block 16 away from the abutting block 17 is provided with a second positioning slot 18, and one end of the main blocks 15 is fixed in the second positioning slot 18. The second positioning slot 18 is used to provide initial positioning for the main blocks 15 when connecting the main blocks 15 to the second connecting block 16, so as to facilitate the connection between the main blocks 15 and the second connecting block 16.

[0051] With reference to Figure 5 The end of the abutting block 17 away from the second connecting block 16 is provided with a plurality of abutting protrusions 19.

[0052] Through this design, when the material taking gripper grabs the shell, a more stable and reliable fixing effect can be ensured, effectively preventing the shell from slipping or loosening during operation. In addition, the shape and arrangement of each abutting protrusion 19 are optimized to adapt to the geometric shape of the inner wall of different types of shells, ensuring good adhesion even in the presence of slight irregularities on the surface of the shell. Such design not only improves production efficiency, but also enhances quality control of finished products, reducing the risk of product damage caused by unstable clamping.

[0053] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between the components in a certain specific posture, and if the specific posture changes, the directional indications will also change accordingly.

[0054] In addition, the descriptions such as "first", "second", "one", etc. in the present application are only for the purpose of description and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features with "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0055] In the present application, unless otherwise specifically defined and limited, the terms "connection", "fixing" and the like should be broadly understood, for example, "fixing" can be fixed connection, or detachable connection, or integrated; can be mechanical connection, or electrical connection; can be directly connected, or indirectly connected through intermediate medium; can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0056] In addition, the technical solutions of each embodiment of the present application can be combined with each other, but it must be based on the realization of the ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor within the scope of protection required by the present application.

[0057] The specific embodiments described herein are only illustrative of the spirit of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the scope defined by the spirit of the present application.

Claims

1. A material taking gripper, characterized by, The utility model relates to a supporting frame, at least two abutting pieces, a driving piece, a connecting rod assembly, a supporting and abutting stroke and a contraction stroke, a supporting and abutting stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a 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stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and 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stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a 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stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and abutting stroke, a contraction stroke, a supporting and ​ ​ ​ ​ ​ ​ ​ 2. A material taking gripper according to claim 1, characterized in that ​ ​ ​ ​ 3. A material taking gripper according to claim 2, wherein ​ 4. A material taking gripper according to claim 3, wherein ​ 5. A material taking gripper according to claim 2, wherein ​ 6. A material taking gripper according to claim 2, wherein ​ 7. A material taking gripper according to claim 2, wherein ​ ​ ​ ​ 8. A material taking gripper according to claim 7, characterized in that ​ 9. A material taking gripper according to claim 7, wherein ​ 10. A material taking gripper according to claim 1, wherein ​

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