Riveting press forming jig

Abstract

The utility model relates to the technical field of riveting jigs, and discloses a riveting forming jig which comprises a punch, a base, a fixing plate and a guide plate, the guide plate, the fixing plate and the base are assembled from top to bottom, and the punch is located above the guide plate and used for applying riveting pressure downwards. The fixing plate is provided with a fixing groove used for containing parts, the guide plate is provided with a guide groove, the guide groove and the fixing groove correspond to each other up and down and are communicated, and the guide groove is used for guiding the punch. When riveting operation is carried out, a part is firstly placed on the fixing plate, under the action of the fixing groove, the part is positioned, then the punch moves downwards to apply riveting force, under the action of the guide plate, the movement of the punch is guided, alignment of the punch and the part is facilitated, and therefore riveting accuracy is guaranteed. Under the matching action of the fixing plate and the guide plate, the alignment effect of the punch and a part is improved, the riveting quality of a riveted finished product is guaranteed, and therefore the qualified rate of riveting operation is improved.

Description

Technical Field

[0001] The utility model patent relates to the technical field of riveting jigs, and specifically, to riveting forming jigs. Background Art

[0002] A door lock is a device used to lock a door to prevent others from opening it. This device may be mechanical or intelligent electric.

[0003] Door locks are assembled from many parts, some of which need to be riveted during production. Therefore, the use of riveting jigs can help improve processing efficiency.

[0004] For example, a prior patent with publication number CN 211251384U discloses a screw-less combined riveting forming auxiliary jig, comprising: a back cover, a decorative ring, and a steel mesh placed between the back cover and the decorative ring. The jig comprises a jig body, and the jig body is assembled with the decorative ring, steel mesh and back cover in sequence from one side of the decorative ring.

[0005] In the prior art, when parts are riveted, there is a lack of positioning and guiding, which easily causes displacement between parts, affects the riveting effect, and further affects the riveting qualification rate. Utility Model Content

[0006] The utility model aims to provide a riveting and pressing forming jig, aiming to solve the problem of poor riveting and pressing qualification rate in the prior art.

[0007] The utility model is implemented as follows: a riveting forming jig comprises a punch, a base, a fixing plate and a guide plate, wherein the guide plate, the fixing plate and the base are assembled and arranged from top to bottom, the punch is located above the guide plate, and the punch is used to apply riveting pressure downward; the fixing plate has a fixing groove, the fixing groove is used to place parts, the guide plate has a guide groove, the guide groove is arranged to correspond to the fixing groove in upper and lower directions and are connected, and the guide groove is used to guide the punch.

[0008] Furthermore, the punch includes a punch column and a riveting portion, the punch column and the riveting portion are arranged in a butt joint, the punch column is arranged in a columnar shape, and along the direction away from the punch column, the riveting portion is arranged in a cone shape with a larger top and a smaller bottom; the guide groove has a guide wall, the guide wall is arranged in an enclosing manner, and the guide wall is arranged in abutment with the outer surface of the punch column.

[0009] Furthermore, the fixing groove has an upper solid wall and a lower solid wall, the upper solid wall and the lower solid wall are respectively arranged in an annular shape, and the upper solid wall and the lower solid wall are connected, the upper solid wall is connected to the guide groove, and the upper solid wall and the guide wall are connected; along the direction away from the lower solid wall, the upper solid wall is arranged in a flared shape, and the lower solid wall is arranged in contact with the part.

[0010] Furthermore, the base is provided with a centering block, the centering block is arranged to protrude upward, the centering block is embedded in the fixing groove, the centering block is arranged in the middle of the fixing groove, the centering block and the part are embedded, and the centering block is used to position the centering part.

[0011] Furthermore, the part includes an outer shell and an inner shell, the outer shell and the inner shell are assembled, the inner shell is arranged in a cone shape with a small top and a large bottom, and the outer shell surrounds the inner shell; the punch is used to punch and rivet the inner shell into a cone shape with a large top and a small bottom.

[0012] Furthermore, the outer shell is arranged in a ring shape, the bottom of the outer shell forms a shell opening, the shell opening is arranged in the middle, and the center block is embedded in the shell opening.

[0013] Furthermore, the guide plate has a guide groove, the fixed plate has a fixed groove, and the base has a seat groove. From top to bottom, the guide groove, the fixed groove and the seat groove are arranged in sequence and are connected; the guide groove, the fixed groove and the seat groove are arranged with the same caliber, and the fixing rod synchronously passes through the guide groove, the fixed groove and the seat groove.

[0014] Furthermore, the guide plate has two guide fixing grooves, the guide groove is arranged between the two guide fixing grooves, and the guide groove and the two guide fixing grooves are arranged in a straight line correspondingly; the fixed plate has two fixed fixing grooves, the fixed groove is arranged between the two fixed fixing grooves, and the fixed groove and the two fixed fixing grooves are arranged in a straight line correspondingly; the base has two seat fixing grooves; the two seat fixing grooves are arranged in intervals and in correspondence; the two guide fixing grooves, the two fixed fixing grooves and the two seat fixing grooves are arranged in a one-to-one correspondence and in communication.

[0015] Furthermore, the riveting forming jig includes an ejector, which is installed on the base. The ejector includes a plurality of ejector rods, which are assembled with the base, and each of the ejector rods is arranged at intervals and in correspondence. The ejector rods are located below the part, and the ejector rods are driven by a driving force to eject the part.

[0016] Furthermore, the ejector includes an ejector motor and an ejector gear, the ejector motor is used to drive the ejector gear to rotate, the ejector gear is synchronously meshed with each ejector rod, and the ejector gear is used to synchronously drive each ejector rod to rise or fall in the longitudinal direction.

[0017] Compared with the prior art, the riveting forming jig provided by the utility model, when performing the riveting operation, first places the parts on the fixed plate, and under the action of the fixed groove, the parts are positioned, and then the punch moves downward to apply riveting pressure, and under the action of the guide plate, the movement of the punch is guided, which is convenient for the alignment of the punch and the parts, thereby ensuring the accuracy of the riveting. In this way, under the cooperation of the fixed plate and the guide plate, the alignment effect of the punch and the parts is improved, the riveting quality of the riveted finished product is guaranteed, thereby improving the qualified rate of the riveting operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a cross-sectional schematic diagram of the riveting operation of the riveting forming jig provided by the utility model;

[0019] Figure 2 It is a cross-sectional schematic diagram of the riveting and forming jig provided by the utility model;

[0020] Figure 3 It is a schematic cross-sectional layout diagram of the base and the center block of the riveting and forming jig provided by the utility model;

[0021] Figure 4 It is a three-dimensional schematic diagram of the riveting and pressing forming jig provided by the utility model. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0023] The implementation of the present utility model is described in detail below in conjunction with specific embodiments.

[0024] The same or similar numbers in the drawings of this embodiment correspond to the same or similar parts; in the description of the present utility model, it should be understood that if the terms "upper", "lower", "left", "right" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0025] Reference Figure 1-4 As shown, it is a preferred embodiment provided by the utility model.

[0026] The riveting forming jig includes a punch 1, a base 2, a fixed plate 3 and a guide plate 4. The guide plate 4, the fixed plate 3 and the base 2 are assembled from top to bottom. The punch 1 is located above the guide plate 4, and the punch 1 is used to apply riveting pressure downward; the fixed plate 3 has a fixed groove 31, and the fixed groove 31 is used to place the part 5. The guide plate 4 has a guide groove 41, and the guide groove 41 corresponds to the fixed groove 31 in the upper and lower directions and is connected. The guide groove 41 is used to guide the punch 1.

[0027] When the above-mentioned riveting forming jig is performing riveting operations, the part 5 is first placed on the fixed plate 3. Under the action of the fixed groove 31, the part 5 is positioned. Then, the punch 1 moves downward to apply riveting pressure. Under the action of the guide plate 4, the movement of the punch 1 is guided, which facilitates the alignment of the punch 1 and the part 5, thereby ensuring the accuracy of riveting. In this way, under the cooperation of the fixed plate 3 and the guide plate 4, the alignment effect of the punch 1 and the part 5 is improved, the riveting quality of the riveted product is guaranteed, and the qualified rate of the riveting operation is improved.

[0028] The punch 1 includes a punch column 11 and a riveting portion 12, the punch column 11 and the riveting portion 12 are arranged in a butt joint, the punch column 11 is arranged in a columnar shape, and along the direction away from the punch column 11, the riveting portion 12 is arranged in a cone shape with a larger top and a smaller bottom; the guide groove 41 has a guide wall, the guide wall is arranged in an enclosing manner, and the guide wall is arranged in abutment with the outer surface of the punch column 11.

[0029] In this way, the punch 1 applies a riveting force downward, and the riveting part 12 cooperates with the guide wall first. Under the action of the guide wall, it is convenient for the riveting part 12 to enter the guide groove 41, and the guide wall plays a role in positioning and centering the riveting part 12, so that the riveting part 12 can enter the fixing groove 31 along the guide groove 41, thereby performing a riveting operation on the part 5.

[0030] The punch column 11 and the riveting portion 12 are integrally formed, which facilitates the assembly of the punch 1 , improves the overall rigidity of the punch 1 , and increases the service life of the punch 1 .

[0031] The fixing groove 31 has an upper fixing wall 32 and a lower fixing wall 33, and the upper fixing wall 32 and the lower fixing wall 33 are respectively arranged in an annular enclosure, and the upper fixing wall 32 and the lower fixing wall 33 are connected. The upper fixing wall 32 is connected to the guide groove 41, and the upper fixing wall 32 and the guide wall are connected. In the direction away from the lower fixing wall 33, the upper fixing wall 32 is arranged in a flared shape, and the lower fixing wall 33 is arranged in abutment with the part 5.

[0032] In this way, under the action of the upper solid wall 32, it is convenient for the punch 1 to enter the fixed groove 31 and reduce the wear between the punch 1 and the fixed plate 3; under the action of the lower solid wall 33, it plays a positioning and limiting role in the placement of the part 5, which facilitates the alignment between the punch 1 and the part 5 and improves the riveting accuracy.

[0033] The base 2 is provided with a centering block 6, which is arranged to be raised upward, and the centering block 6 is embedded in a fixing groove 31. The centering block 6 is arranged in the middle of the fixing groove 31, and the centering block 6 and the part 5 are embedded. The centering block 6 is used to position the center part 5; under the action of the centering block 6, the placement of the part 5 is positioned and restricted, which facilitates the alignment between the punch 1 and the part 5 and improves the riveting accuracy.

[0034] Part 5 includes an outer shell and an inner shell, the outer shell and the inner shell are assembled, the inner shell is arranged in a cone shape with a small top and a large bottom, and the outer shell surrounds the inner shell; the punch 1 is used to punch and rivet the inner shell into a cone shape with a large top and a small bottom.

[0035] In this way, during the riveting operation, the inner shell is arranged in a cone shape with a small top and a large bottom. After the punch 1 is riveted, the inner shell is deformed into a cone shape with a large top and a small bottom, and the riveting operation of the part 5 is completed.

[0036] The middle part of the inner shell is hollow, so that during the riveting operation, the inner shell has deformation space to avoid direct cracking of the inner shell, improve the riveting effect, and ensure the qualified rate of the finished product.

[0037] The outer shell is arranged in a ring shape, and the bottom of the outer shell forms a shell opening, the shell opening is arranged in the middle, and the center block 6 is embedded in the shell opening; in this way, through the cooperation between the shell opening and the center block 6, the placement accuracy of the part 5 is improved, and the subsequent alignment of the punch 1 and the part 5 is facilitated.

[0038] The guide plate 4 has a guide groove 42, the fixed plate 3 has a fixing groove 34, and the base 2 has a seat groove 21. From top to bottom, the guide groove 42, the fixing groove 34 and the seat groove 21 are arranged in sequence and connected; the guide groove 42, the fixing groove 34 and the seat groove 21 are arranged with the same caliber, and the fixing rod simultaneously penetrates the guide groove 42, the fixing groove 34 and the seat groove 21; in this way, the assembly and fixation between the guide plate 4, the fixed plate 3 and the base 2 are realized by the fixing rod, and at the same time, the alignment of the guide groove 41 and the fixing groove 31 is realized.

[0039] The guide plate 4 has two guide fixing grooves 42, the guide groove 41 is arranged between the two guide fixing grooves 42, and the guide groove 41 and the two guide fixing grooves 42 are arranged correspondingly in a straight line; the fixed plate 3 has two fixing grooves 34, the fixing groove 31 is arranged between the two fixing grooves 34, and the fixing groove 31 and the two fixing grooves 34 are arranged correspondingly in a straight line; the base 2 has two seat fixing grooves 21; the two seat fixing grooves 21 are arranged correspondingly at intervals; the two guide fixing grooves 42, the two fixing grooves 34 and the two seat fixing grooves 21 are arranged one-to-one and connected.

[0040] The advantage of such a configuration is that the assembly stability between the guide plate 4, the fixing plate 3 and the base 2 is improved, and the normal operation of the riveting operation is ensured.

[0041] The riveting forming jig includes an ejector, which is installed on the base 2. The ejector includes a plurality of ejector rods. The ejector rods are assembled with the base 2, and the ejector rods are arranged at intervals and in correspondence. The ejector rods are located below the part 5, and the ejector rods are driven to eject the part 5.

[0042] In this way, after the riveting operation, the punch 1 can be used to facilitate the removal of the part 5 through the ejector, thereby facilitating the cyclic riveting operation.

[0043] The ejector includes an ejector motor and an ejector gear. The ejector motor is used to drive the ejector gear to rotate. The ejector gear is synchronously meshed with each ejector rod. The ejector gear is used to synchronously drive each ejector rod to rise or fall in the longitudinal direction. In this way, under the cooperation of the ejector motor and the ejector gear, each ejector rod is synchronously driven, thereby realizing synchronous ejection of part 5, making the force on part 5 more uniform and reducing the risk of deformation of part 5.

[0044] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. Riveting forming jig, characterized in that: It includes a punch, a base, a fixed plate and a guide plate, wherein the guide plate, the fixed plate and the base are assembled from top to bottom, the punch is located above the guide plate, and the punch is used to apply riveting pressure downward; the fixed plate has a fixed groove, the fixed groove is used to place parts, the guide plate has a guide groove, the guide groove and the fixed groove are arranged in correspondence with each other and are connected, and the guide groove is used to guide the punch.

2. The riveting forming jig according to claim 1, characterized in that: The punch includes a punch column and a riveting portion, the punch column and the riveting portion are arranged in a butt joint, the punch column is arranged in a columnar shape, and along the direction away from the punch column, the riveting portion is arranged in a cone shape with a large top and a small bottom; the guide groove has a guide wall, the guide wall is arranged in an enclosing manner, and the guide wall is arranged in abutment with the outer surface of the punch column.

3. The riveting forming jig according to claim 2, characterized in that: The fixing groove comprises an upper fixing wall and a lower fixing wall, the upper fixing wall and the lower fixing wall are respectively arranged in an annular shape, and the upper fixing wall and the lower fixing wall are connected, the upper fixing wall is connected with the guide groove, and the upper fixing wall and the guide wall are butted; along the direction away from the lower fixing wall, the upper fixing wall is arranged in a flared shape, and the lower fixing wall is in contact with the part.

4. The riveting forming jig according to any one of claims 1 to 3, characterized in that: The base is provided with a centering block, the centering block is arranged to protrude upward, the centering block is embedded in the fixing groove, the centering block is arranged in the middle of the fixing groove, the centering block is embedded with the part, and the centering block is used to position the centering part.

5. The riveting forming jig according to claim 4, characterized in that: The part comprises an outer shell and an inner shell, the outer shell and the inner shell are assembled, the inner shell is arranged in a frustum shape with a small top and a large bottom, and the outer shell surrounds the inner shell; the punch is used to punch and rivet the inner shell into a frustum shape with a large top and a small bottom.

6. The riveting forming jig according to claim 5, characterized in that: The outer shell is arranged in a ring shape, the bottom of the outer shell forms a shell opening, the shell opening is arranged in the middle, and the center block is embedded in the shell opening.

7. The riveting forming jig according to any one of claims 1 to 3, characterized in that: The guide plate has a guide groove, the fixed plate has a fixing groove, and the base has a seat fixing groove. From top to bottom, the guide groove, the fixing groove and the seat fixing groove are arranged in sequence and are connected; the guide groove, the fixing groove and the seat fixing groove are arranged with the same caliber, and the fixing rod synchronously passes through the guide groove, the fixing groove and the seat fixing groove.

8. The riveting forming jig according to claim 7, characterized in that: The guide plate has two guide fixing grooves, the guide groove is arranged between the two guide fixing grooves, and the guide groove and the two guide fixing grooves are arranged in a straight line correspondingly; the fixed plate has two fixed fixing grooves, the fixed groove is arranged between the two fixed fixing grooves, and the fixed groove and the two fixed fixing grooves are arranged in a straight line correspondingly; the base has two seat fixing grooves; the two seat fixing grooves are arranged in intervals and in correspondence; the two guide fixing grooves, the two fixed fixing grooves and the two seat fixing grooves are arranged in a one-to-one correspondence and in communication.

9. The riveting forming jig according to any one of claims 1 to 3, characterized in that: The riveting forming jig includes an ejector, which is installed on the base. The ejector includes a plurality of ejector rods, which are assembled with the base, and each of the ejector rods is arranged at intervals and in correspondence. The ejector rods are located below the part, and the ejector rods are driven by a driving force to eject the part.

10. The riveting forming jig according to claim 9, characterized in that: The ejector includes an ejector motor and an ejector gear. The ejector motor is used to drive the ejector gear to rotate. The ejector gear is synchronously meshed with each ejector rod. The ejector gear is used to synchronously drive each ejector rod to rise or fall in the longitudinal direction.

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