Punching part support process key groove positioning clamp

Abstract

The utility model discloses a punching part support process key groove positioning clamp, and belongs to the technical field of positioning clamps. A pressing oil cylinder is fixedly mounted on the carrier; a first pressing block is fixedly installed at the output end of the front side of the pressing oil cylinder, and a second pressing block is fixedly installed at the output end of the rear side of the pressing oil cylinder. The carrier and the first pressing block are provided with a plurality of limiting assemblies used for limiting the first pressing block. First positioning assemblies used for positioning parts are evenly arranged on the front side of the carrier at equal intervals. Second positioning assemblies used for positioning the parts are evenly arranged on the rear side of the carrier at equal intervals. In this way, the first positioning assembly and the second positioning assembly sequentially position a part; the pressing oil cylinder drives the first pressing block to horizontally move under the limiting effect of the limiting assembly, the first pressing block is used for positioning and clamping a part in the first positioning assembly, and a key groove can be conveniently machined. Therefore, positioning errors are reduced, and machining size precision is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of jigs, in particular to a positioning jig for the process keyway of a punching part bracket. Background Art

[0002] When machining workpieces, it is necessary to position and clamp the workpieces to achieve precise positioning of the workpieces, facilitate the machining by automated processing equipment, improve the machining accuracy, and enhance the overall quality of the formed workpieces.

[0003] For example, Chinese Patent CN218052261U discloses a jig. The jig is provided with a plurality of limiting grooves, and a cylinder drives the fixed plate to move up and down for fixing. Through the cooperation of the limiting grooves and the fixed plate, the parts are positioned and clamped.

[0004] However, in order to improve production efficiency in the market, there are differences in some dimensions of the blanks after rough machining. During fine machining, it is difficult to directly perform precise positioning, and there is a situation where the blanks are damaged due to excessive extrusion during clamping.

[0005] Based on this, the present utility model designs a positioning jig for the process keyway of a punching part bracket to solve the above problems. Summary of the Utility Model

[0006] In view of the above-mentioned drawbacks of the prior art, the present utility model provides a positioning jig for the process keyway of a punching part bracket.

[0007] To achieve the above objectives, the present utility model is realized through the following technical solutions:

[0008] A positioning jig for the process keyway of a punching part bracket, comprising a carrier;

[0009] On the carrier, pressing oil cylinders are evenly and fixedly installed at equal intervals; the pressing oil cylinders are double-acting hydraulic cylinders with two output ends; a first pressing block is fixedly installed at the front output end of the pressing oil cylinder, and a second pressing block is fixedly installed at the rear output end of the pressing oil cylinder; a plurality of limiting components for limiting the first pressing block are installed on the carrier and the first pressing block;

[0010] On the front side of the carrier, a first positioning component for positioning parts is evenly arranged at equal intervals, and the keyways on the parts in the first positioning component face upward; on the rear side of the carrier, a second positioning component for positioning parts is evenly arranged at equal intervals, and the keyways on the parts in the second positioning component face downward.

[0011] Further, the first positioning component includes a receiving groove, a first positioning groove, a first support platform, and a second support platform. A receiving groove is formed on the front side of the carrier, and the receiving groove is not perpendicular to the moving direction of the second pressing block; a first positioning groove for receiving the bottom block is formed in the middle of the receiving groove, a first support platform for supporting the first wing plate is arranged on one side of the receiving groove, and a second support platform for supporting the second wing plate is arranged at the other end of the receiving groove.

[0012] Further, the first positioning component further includes a second positioning groove, and second positioning grooves for aligning with the punching holes are respectively formed on the first support platform and the second support platform.

[0013] Further, the end face of the first pressing block is set as an inclined side parallel to the receiving groove.

[0014] Further, a convex block is fixedly installed on one side of the end of the first pressing block close to the first support platform, and the length of the convex block is the same as the width of the part; the convex block is located under the first wing plate, and the first wing plate is supported by the convex block and the first support platform together.

[0015] Further, grooves for facilitating the taking and placing of parts are formed on the upper side of the first pressing block and on the carrier.

[0016] Further, the second positioning component includes a straight groove and a positioning block. A straight groove is formed on the rear side of the carrier, and the straight groove is perpendicular to the moving direction of the second pressing block; a positioning block inserted into the key groove is fixedly installed in the middle of the straight groove.

[0017] Further, the limiting component includes a side groove and a limiting block. Side grooves are symmetrically formed on the upper side of the first pressing block, and a limiting block is fixedly installed on the carrier; the side groove is in limiting sliding connection with the limiting block.

[0018] The beneficial effects of the present utility model compared with the prior art are as follows:

[0019] Place the part in the first positioning component; position the part through the first positioning component to ensure the processing accuracy, and at the same time support the first wing plate and the second wing plate to avoid damaging the part during processing; the pressing oil cylinder drives the first pressing block to move horizontally under the limiting action of the limiting component, and the part in the first positioning component is positioned and clamped by the first pressing block, facilitating the processing of the key groove;

[0020] After the key groove is processed, place the part in the second positioning component with the bottom block upward and the key groove downward. After accurately positioning the part through the second positioning component and the processed key groove, process the through hole; thereby ensuring the positioning accuracy, reducing the positioning error, and improving the processing dimension accuracy; at the same time, reducing the positioning and pressing in the X direction of the fixture, making use of the effective space of the fixture, and avoiding damaging the part when the pressing oil cylinder drives the second pressing block to press the part in the second positioning component, thereby improving the processing quality;

[0021] The parts are made easy to be taken out from the accommodating groove through the notch. Description of the Drawings

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0023] Figure 1 is the three-dimensional view of the process keyway positioning fixture for the punching part bracket of the present invention Figure 1 ;

[0024] Figure 2 is the top view of the process keyway positioning fixture for the punching part bracket of the present invention;

[0025] Figure 3 is the structural schematic diagram of the part;

[0026] Figure 4 is Figure 1 the enlarged view of the position A in

[0027] The reference numerals in the drawings respectively represent:

[0028] 1, carrier; 2, pressing oil cylinder; 21, first pressing block; 211, convex block; 22, second pressing block; 3, first positioning component; 31, accommodating groove; 32, first positioning groove; 33, first supporting platform; 34, second supporting platform; 35, second positioning groove; 4, second positioning component; 41, straight groove; 42, positioning block; 5, limiting component; 51, side groove; 52, limiting block; 6, part; 61, first wing plate; 62, second wing plate; 63, bottom block; 64, keyway; 65, punching hole; 66, through hole; 7, notch. Detailed Embodiments

[0029] To make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

[0030] The "left", "right", "front", "rear", "upper" and "lower" mentioned in the following description are oriented in the perspective direction of the top view.

[0031] Embodiment 1

[0032] In some embodiments, refer to the attached drawings of the specification Figures 1-3 , a punching part bracket process keyway positioning fixture, including a carrier 1;

[0033] On the carrier 1, pressing oil cylinders 2 are evenly and fixedly installed at equal intervals; the pressing oil cylinder 2 is set as a double-acting hydraulic cylinder with two output ends; a first pressing block 21 is fixedly installed at the front output end of the pressing oil cylinder 2, and a second pressing block 22 is fixedly installed at the rear output end of the pressing oil cylinder 2; a plurality of limiting components 5 for limiting the first pressing block 21 are installed on the carrier 1 and the first pressing block 21;

[0034] On the front side of the carrier 1, first positioning components 3 for positioning the part 6 are evenly arranged at equal intervals, and the keyway 64 on the part 6 in the first positioning component 3 faces upward; on the rear side of the carrier 1, second positioning components 4 for positioning the part 6 are evenly arranged at equal intervals, and the keyway 64 on the part 6 in the second positioning component 4 faces downward.

[0035] In this embodiment, when the punching part bracket process keyway positioning fixture works normally, the bottom block 63 is moved downward and the keyway 64 is moved upward to place the part 6 in the first positioning component 3; the part 6 is positioned through the first positioning component 3 to ensure the machining accuracy, and at the same time, the first wing plate 61 and the second wing plate 62 are supported to avoid damaging the part 6 during machining; the pressing oil cylinder 2 drives the first pressing block 21 to move horizontally under the limiting action of the limiting component 5, and the part 6 in the first positioning component 3 is positioned and clamped through the first pressing block 21, which is convenient for machining the keyway 64; after the keyway 64 is machined, the bottom block 63 is moved upward and the keyway 64 is moved downward to place the part 6 in the second positioning component 4, and after the part 6 is accurately positioned through the second positioning component 4 and the machined keyway 64, the through hole 66 is machined; thus, the positioning accuracy is guaranteed, the positioning error is reduced, and the machining dimension accuracy is improved; at the same time, the positioning and pressing in the X direction of the fixture are reduced, the effective space of the fixture is utilized, and the part 6 is prevented from being damaged when the pressing oil cylinder 2 drives the second pressing block 22 to press the part 6 in the second positioning component 4, thereby improving the machining quality.

[0036] Embodiment 2

[0037] In some embodiments, such as Figures 1-4As shown, as a preferred embodiment of the present utility model, the first positioning assembly 3 includes a receiving groove 31, a first positioning groove 32, a first support platform 33 and a second support platform 34. A receiving groove 31 is provided on the front side of the carrier 1, and the receiving groove 31 is not perpendicular to the moving direction of the second pressing block 22; a first positioning groove 32 for receiving the bottom block 63 is provided in the middle of the receiving groove 31, a first support platform 33 for supporting the first fin 61 is provided on one side of the receiving groove 31, and a second support platform 34 for supporting the second fin 62 is provided at the other end of the receiving groove 31;

[0038] The first positioning assembly 3 further includes a second positioning groove 35. Second positioning grooves 35 for aligning with the stamping holes 65 are respectively provided on the first support platform 33 and the second support platform 34;

[0039] The end face of the first pressing block 21 is set as an inclined side parallel to the receiving groove 31;

[0040] A convex block 211 is fixedly installed on one side of the end of the first pressing block 21 close to the first support platform 33. The length of the convex block 211 is the same as the width of the part 6; the convex block 211 is located under the first fin 61, and the first fin 61 is supported by the convex block 211 and the first support platform 33 together;

[0041] Grooves 7 for facilitating the taking and placing of the part 6 are provided on the upper side of the first pressing block 21 and on the carrier 1;

[0042] The second positioning assembly 4 includes a straight groove 41 and a positioning block 42. A straight groove 41 is provided on the rear side of the carrier 1, and the straight groove 41 is perpendicular to the moving direction of the second pressing block 22; a positioning block 42 inserted into the key groove 64 is fixedly installed in the middle of the straight groove 41;

[0043] The limiting assembly 5 includes a side groove 51 and a limiting block 52. Side grooves 51 are symmetrically provided on the upper side of the first pressing block 21, and a limiting block 52 is fixedly installed on the carrier 1; the side groove 51 is in limiting sliding connection with the limiting block 52.

[0044] In this embodiment, when the first positioning component 3 and the second positioning component 4 are working properly, the bottom block 63 is placed in the first positioning groove 32, and the convex block 211 is located below the first wing plate 61. The first wing plate 61 is supported jointly by the convex block 211 and the first support platform 33, so as to prevent the first wing plate 61 and the second wing plate 62 from deforming during the processing; the pressing oil cylinder 2 drives the first pressing block 21 and the convex block 211 to move. The first pressing block 21 moves horizontally under the limiting action of the side groove 51 and the limiting block 52. The first pressing block 21 is used to push the part 6 to move in the receiving groove 31. At the same time, the convex block 211 pushes the bottom block 63 below the first wing plate 61, so as to perform secondary positioning on the part 6 through the convex block 211, the first positioning groove 32 and the bottom block 63, and press the part 6 in the receiving groove 31; during this process, the convex block 211 prevents the first pressing block 21 from pressing the part 6 excessively and causing damage to the part 6; after the keyway 64 is processed, the pressing oil cylinder 2 drives the first pressing block 21 and the convex block 211 to reset, and the part 6 is convenient to be taken out of the receiving groove 31 through the groove 7; after the processed keyway 64 is aligned with the positioning block 42, the part 6 is placed in the straight groove 41. The part 6 is accurately positioned through the processed keyway 64 and the positioning block 42, so as to improve the positioning accuracy and reduce the processing error; at the same time, the positioning in the X-axis direction is reduced; when the pressing oil cylinder 2 drives the second pressing block 22 to press the part 6 in the straight groove 41, the part 6 is prevented from being bruised, so as to improve the processing quality.

[0045] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. Blanking part bracket process keyway positioning fixture, including a carrier (1), characterized in that: The carrier (1) is evenly and fixedly installed with pressing cylinders (2) at equal intervals; the pressing cylinder (2) is set as a double-acting hydraulic cylinder with two output ends; the front output end of the pressing cylinder (2) is fixedly installed with a first pressing block (21), and the rear output end of the pressing cylinder (2) is fixedly installed with a second pressing block (22); a plurality of limiting components (5) for limiting the first pressing block (21) are installed on the carrier (1) and the first pressing block (21). On the front side of the carrier (1), first positioning components (3) for positioning the part (6) are evenly arranged at equal intervals, and the keyway (64) on the part (6) in the first positioning component (3) faces upward; on the rear side of the carrier (1), second positioning components (4) for positioning the part (6) are evenly arranged at equal intervals, and the keyway (64) on the part (6) in the second positioning component (4) faces downward.

2. The punching part bracket process keyway positioning fixture according to claim 1, characterized in that The first positioning component (3) includes a receiving groove (31), a first positioning groove (32), a first support platform (33) and a second support platform (34). A receiving groove (31) is opened on the front side of the carrier (1), and the receiving groove (31) is not perpendicular to the moving direction of the second pressing block (22); a first positioning groove (32) for receiving the bottom block (63) is opened in the middle of the receiving groove (31), a first support platform (33) for supporting the first wing plate (61) is arranged on one side of the receiving groove (31), and a second support platform (34) for supporting the second wing plate (62) is arranged at the other end of the receiving groove (31).

3. The punching part bracket process keyway positioning fixture according to claim 2, characterized in that, The first positioning component (3) further includes a second positioning groove (35), and second positioning grooves (35) for aligning with the stamping holes (65) are respectively opened on the first support platform (33) and the second support platform (34).

4. The punching part bracket process keyway positioning fixture according to claim 3, characterized in that, The end face of the first pressing block (21) is set as an inclined side parallel to the receiving groove (31).

5. The punching part bracket process keyway positioning fixture according to claim 4, characterized in that, A convex block (211) is fixedly installed on the side of the end of the first pressing block (21) close to the first support platform (33), and the length of the convex block (211) is the same as the width of the part (6); the convex block (211) is located below the first wing plate (61), and the first wing plate (61) is supported by the convex block (211) and the first support platform (33) together.

6. The punching part bracket process keyway positioning fixture according to claim 5, wherein Grooves (7) for facilitating the picking and placing of the part (6) are opened on the upper side of the first pressing block (21) and on the carrier (1).

7. The punching part bracket process keyway positioning fixture according to claim 6, characterized in that, The second positioning component (4) includes a straight groove (41) and a positioning block (42). A straight groove (41) is opened on the rear side of the carrier (1), and the straight groove (41) is perpendicular to the moving direction of the second pressing block (22); a positioning block (42) inserted into the keyway (64) is fixedly installed in the middle of the straight groove (41).

8. The punching part bracket process keyway positioning fixture according to claim 7, characterized in that, The limiting component (5) includes a side groove (51) and a limiting block (52). Side grooves (51) are symmetrically opened on the upper side of the first pressing block (21), and a limiting block (52) is fixedly installed on the carrier (1); the side groove (51) is in limiting sliding connection with the limiting block (52).

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