Cylindrical metal part machining clamp

Abstract

The utility model discloses a cylindrical metal piece processing clamp, which comprises a main body and a clamping assembly, the main body is composed of an upper shell and a lower shell which are matched with each other, an accommodating cavity is arranged in the main body, one end of the main body is provided with a concave clamping groove, and the clamping assembly is arranged in the accommodating cavity. The clamping assembly comprises a driving device, a first connecting rod, a connecting plate, two second connecting rods and two clamping heads, the first connecting rod is installed in the containing cavity and connected to an output shaft of the driving device, and the connecting plate is installed in the containing cavity and connected to the first connecting rod; the two second connecting rods are installed in the containing cavity and connected to the two ends of the connecting plate correspondingly, and the two clamping heads are installed on the two second connecting rods correspondingly and arranged opposite to the clamping groove. The clamping head and the clamping groove are used in cooperation to clamp the barrel-shaped metal piece, so that the barrel-shaped metal piece cannot shake during machining, and the machining precision is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of clamps, and mainly relates to a cylindrical metal part processing clamp. Background Art

[0002] When machining cylindrical metal parts, jaws are typically used to clamp them. However, jaw clamping provides clamping force at the point of contact between the jaws and the cylindrical metal part, i.e., it uses point contact. This can cause the cylindrical metal part to wobble during machining, affecting machining accuracy. Furthermore, point contact clamping exerts high pressure, which can easily leave clamp marks on the cylindrical metal part after clamping, affecting its quality. Utility Model Content

[0003] The present invention aims to solve at least one problem in the prior art. To this end, the purpose of the present invention is to provide a cylindrical metal parts processing fixture.

[0004] In order to achieve the above purpose, the technical solution of the utility model is:

[0005] A cylindrical metal parts processing fixture includes a main body and a clamping assembly, the main body is composed of a matching upper shell and a lower shell, a receiving cavity is provided inside the main body, and a concave clamping groove is provided at one end of the main body, the clamping assembly includes a driving device, a first connecting rod, a connecting plate, two second connecting rods and two clamping heads, the first connecting rod is installed in the receiving cavity and connected to the output shaft of the driving device, the connecting plate is installed in the receiving cavity and connected to the first connecting rod, the two second connecting rods are installed in the receiving cavity and are respectively connected to the two ends of the connecting plate, and the two clamping heads are respectively installed on the two second connecting rods and arranged opposite to the clamping groove.

[0006] Preferably, the clamping groove is a V-shaped groove, and the cross section of the clamping head is a right-angled trapezoidal structure.

[0007] Preferably, the inner side surface of the clamping groove is an inclined surface, and the angle α between it and the horizontal plane is between 5° and 15°; the inner side surface of the clamping head is an inclined surface, and the angle β between it and the horizontal plane is between 5° and 15°.

[0008] Preferably, two springs are installed inside the accommodating cavity, one end of the spring is in contact with the inner wall of the accommodating cavity, and the other end is in contact with the connecting plate.

[0009] Preferably, the upper shell and the lower shell are provided with a plurality of connection hole plates at corresponding positions, and fasteners can be installed in the connection hole plates.

[0010] Preferably, the connecting plate is provided with a positioning post on a side in contact with the spring, and one end of the spring is sleeved on the positioning post.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] 1. The cylindrical metal parts processing fixture of the present invention includes a main body and a clamping assembly. An inwardly concave clamping groove is provided at one end of the main body. The clamping assembly includes a driving device, a first connecting rod, a connecting plate, two second connecting rods and two clamping heads. The clamping heads and the clamping grooves are used together to clamp the cylindrical metal parts, so that the cylindrical metal parts will not shake during processing, thereby ensuring processing accuracy.

[0013] 2. The cylindrical metal part processing fixture of the present invention is in surface contact with the cylindrical metal part, which ensures the clamping force while avoiding leaving clamping marks on the cylindrical metal part.

[0014] The features and advantages of the present invention will be described in detail through the embodiments in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model is a three-dimensional cylindrical metal parts processing fixture Figure 1 ;

[0016] Figure 2 The utility model is a three-dimensional cylindrical metal parts processing fixture Figure 2 ;

[0017] Figure 3 It is the internal structure diagram of the main body of the utility model;

[0018] Figure 4 This is a working state diagram of the utility model.

[0019] Figure numerals: 1. Main body, 11. Upper shell, 12. Lower shell, 13. Accommodating chamber, 14. Clamping groove, 2. Driving device, 3. First connecting rod, 4. Connecting plate, 5. Second connecting rod, 6. Clamping head, 7. Spring, 8. Connecting hole plate, 9. Positioning column, 10. Cylindrical metal part. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0021] Exemplary embodiments will be described in detail herein, with examples illustrated in the accompanying drawings. In the following description, when referring to the drawings, identical numerals in different figures represent identical or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments are not intended to represent all embodiments consistent with the present application. Rather, they are merely examples of devices consistent with certain aspects of the present application, as detailed in the appended claims.

[0022] The terms used in this application are for the purpose of describing specific embodiments only and are not intended to limit this application. Unless otherwise defined, technical or scientific terms used in this application should have the same ordinary meaning as those understood by persons of ordinary skill in the art to which this invention belongs. The use of "a," "an," and similar terms in this specification and claims does not indicate a limitation of quantity, but rather indicates the presence of at least one. "A plurality" includes two and is equivalent to at least two. "Includes" or "comprising" and similar terms mean that the elements or objects preceding "includes" or "comprising" include the elements or objects listed after "includes" or "comprising," and their equivalents, and do not exclude other elements or objects. "Connected" or "connected" and similar terms are not limited to physical or mechanical connections and may include electrical connections, whether direct or indirect. As used in this specification and the appended claims, the singular forms "a," "the," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and / or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

[0023] Please refer to Figure 1-4 A cylindrical metal processing fixture includes a main body 1 and a clamping assembly. The main body 1 is composed of a matching upper shell 11 and a lower shell 12. A accommodating cavity 13 is provided inside the main body 1. A concave clamping groove 14 is provided at one end of the main body 1. The clamping assembly includes a driving device 2, a first connecting rod 3, a connecting plate 4, two second connecting rods 5 and two clamping heads 6. The first connecting rod 3 is installed in the accommodating cavity 13 and is connected to the output shaft of the driving device 2. The connecting plate 4 is installed in the accommodating cavity 13 and connected to the first connecting rod 3. The two second connecting rods 5 are installed in the accommodating cavity 13 and are respectively connected to the two ends of the connecting plate 4. The two clamping heads 6 are respectively installed on the two second connecting rods 5 and are arranged opposite to the clamping groove 14.

[0024] As can be expected, a clamping chamber is formed between the clamping groove 14 and the clamping head 6, in which the cylindrical metal part 10 can be placed. The clamping head 6 is driven by the driving device 2 to move toward the side of the clamping groove 14, thereby clamping the cylindrical metal part 10, and then the cylindrical metal part 10 can be processed.

[0025] Furthermore, the clamping groove 14 is a V-shaped groove, and the cross section of the clamping head 6 is a right-angled trapezoidal structure.

[0026] Furthermore, the inner side surface of the clamping groove 14 is an inclined surface, and the angle α between it and the horizontal plane is 10°. The inner side surface of the clamping head 6 is an inclined surface, and the angle β between it and the horizontal plane is 10°. The angle of 10° just matches the inclined surface of the cylindrical metal part 10, ensuring the clamping stability of the cylindrical metal part 10. At the same time, the cylindrical metal part 10 processing fixture is in surface contact with the cylindrical metal part 10, which can also avoid leaving clamp marks on the cylindrical metal part 10.

[0027] Furthermore, two springs 7 are installed inside the accommodating cavity 13 , one end of the spring 7 contacts the inner wall of the accommodating cavity 13 , and the other end contacts the connecting plate 4 , so that the spring 7 plays a buffering role.

[0028] Furthermore, the upper shell 11 and the lower shell 12 are provided with several connecting hole plates 8 at corresponding positions. Specifically, two connecting hole plates 8 are provided on each side of the upper shell 11 and the lower shell 12, and fasteners can be installed in the connecting hole plates 8, that is, the upper shell 11 and the lower shell 12 are fixed together by fasteners.

[0029] Furthermore, the connecting plate 4 is provided with a positioning column 9 on the side in contact with the spring 7. One end of the spring 7 is sleeved on the positioning column 9. The positioning column 9 limits the spring 7 to prevent the spring 7 from deviating from the predetermined track when compressed.

[0030] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A cylindrical metal parts processing fixture, characterized in that: The invention comprises a main body (1) and a clamping assembly, wherein the main body (1) is composed of an upper shell (11) and a lower shell (12) that are adapted to each other, an accommodating cavity (13) is provided inside the main body (1), and an inwardly concave clamping groove (14) is provided at one end of the main body (1), and the clamping assembly comprises a driving device (2), a first connecting rod (3), a connecting plate (4), two second connecting rods (5) and two clamping heads (6), wherein the first connecting rod (3) is installed in the accommodating cavity (13) and is connected to the output shaft of the driving device (2), the connecting plate (4) is installed in the accommodating cavity (13) and is connected to the first connecting rod (3), the two second connecting rods (5) are installed in the accommodating cavity (13) and are respectively connected to the two ends of the connecting plate (4), and the two clamping heads (6) are respectively installed on the two second connecting rods (5) and are arranged opposite to the clamping groove (14).

2. The cylindrical metal parts processing fixture according to claim 1, characterized in that: The clamping groove (14) is a V-shaped groove, and the cross section of the clamping head (6) is a right-angled trapezoidal structure.

3. The cylindrical metal parts processing fixture according to claim 2, characterized in that: The inner side surface of the clamping groove (14) is an inclined surface, and the angle α between it and the horizontal plane is between 5° and 15°. The inner side surface of the clamping head (6) is an inclined surface, and the angle β between it and the horizontal plane is between 5° and 15°.

4. The cylindrical metal parts processing fixture according to claim 3, characterized in that: Two springs (7) are installed inside the accommodating cavity (13), one end of the spring (7) contacts the inner wall of the accommodating cavity (13), and the other end contacts the connecting plate (4).

5. The cylindrical metal parts processing fixture according to claim 1, characterized in that: The upper shell (11) and the lower shell (12) are provided with a plurality of connection hole plates (8) at corresponding positions, and fasteners can be installed in the connection hole plates (8).

6. The cylindrical metal parts processing fixture according to claim 4, characterized in that: The connecting plate (4) is provided with a positioning column (9) on the side in contact with the spring (7), and one end of the spring (7) is sleeved on the positioning column (9).

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