Hinge pin riveting structure

Abstract

The utility model discloses a pin shaft riveting structure, which belongs to the technical field of riveting and comprises a supporting table and a material moving mechanism arranged on one side of the supporting table. A positioning mechanism for positioning the vehicle door limiter is arranged on the supporting table; a riveting mechanism is arranged on the supporting table, the riveting mechanism comprises an initial positioning assembly and a rivet pressing assembly, and the material moving mechanism comprises a double-joint robot, a penetrating shaft type lead screw motor, a rotating air cylinder, a connecting plate, a first pneumatic clamping jaw and a second pneumatic clamping jaw. The locking bolt column is inserted into the locking groove to lock the connecting column and the fixing block, so that the possibility that the initial positioning air cylinder is damaged is reduced; and then the riveting air cylinder drives the second riveting head to get close to the pressing rivet bolt through two strokes, repositioning and riveting operation on the pressing rivet bolt are conducted in sequence, the first riveting head and the second riveting head are matched to complete riveting machining on the vehicle door limiting device, and the yield is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to riveting technology field, concretely relates to a pin shaft riveting structure. BACKGROUND

[0002] The door stopper is an important accessory of the automobile door, which can buffer and fix between the door and the automobile body, and limit the opening angle of the door to prevent the door from colliding with obstacles or causing damage to the automobile body.

[0003] The door stopper mainly comprises a shell, a main arm and a connecting piece, and the riveting operation of the connecting piece and the main arm is difficult because of the complex configuration of the connecting piece and the main arm, and the accuracy of the riveting is difficult to guarantee.

[0004] Therefore, the utility model designs a pin shaft riveting structure to solve the above problems. UTILITY MODEL CONTENTS

[0005] In view of the above shortcomings of the prior art, the utility model provides a pin shaft riveting structure.

[0006] To achieve the above purpose, the utility model realizes the following technical scheme:

[0007] A pin shaft riveting structure comprises a supporting table and a material moving mechanism arranged on one side of the supporting table.

[0008] The supporting table is provided with a positioning mechanism for positioning the door stopper.

[0009] The supporting table is provided with a riveting mechanism, which comprises a preliminary positioning assembly for positioning the riveting bolt and a riveting assembly for riveting the door stopper, and the preliminary positioning assembly and the riveting assembly are arranged on the rear side and the front side of the supporting table respectively; after the workpiece is positioned on the positioning mechanism, the preliminary positioning assembly is used to position the riveting bolt first, and then the riveting assembly is used to rivet the door stopper.

[0010] The material moving mechanism comprises a double-joint robot, a through-shaft screw motor, a rotary air cylinder, a connecting plate, a first pneumatic clamp jaw and a second pneumatic clamp jaw, the double-joint robot is arranged on one side of the supporting table, the working end of the double-joint robot is fixedly installed with the through-shaft screw motor, the driving end of the through-shaft screw motor is fixedly installed with the rotary air cylinder, and the driving end of the rotary air cylinder is fixedly installed with the connecting plate; the two ends of the connecting plate are respectively fixedly installed with the first pneumatic clamp jaw and the second pneumatic clamp jaw for clamping the door stopper, the first pneumatic clamp jaw is used to clamp the shell, and the second pneumatic clamp jaw is used to clamp the connecting piece.

[0011] Further, the first pneumatic clamping jaw is arranged in a U shape for accommodating the main arm, and a plurality of protrusions for fitting into the housing are fixedly installed on the proximal ends of the two clamping jaws of the first pneumatic clamping jaw.

[0012] Further, the positioning mechanism comprises a first positioning seat, a second positioning seat, a rotary down-pressing cylinder and a pressing head, the first positioning seat, the second positioning seat and the rotary down-pressing cylinder are fixedly installed on the support table, the first positioning seat is provided with a profiling groove for positioning the housing,

[0013] The driving end of the rotary down-pressing cylinder is fixedly installed with the pressing head for down-pressing and fixing the main arm on the second positioning seat.

[0014] Further, the profiling groove of the second positioning seat is further provided with a U-shaped positioning block for supporting and positioning the rivet bolt.

[0015] Further, the preliminary positioning assembly comprises a preliminary positioning cylinder, a connecting column, a first riveting head, a fixed block and a locking assembly, the preliminary positioning cylinder is fixedly connected with the support table, the fixed block is fixedly connected with the support table and located between the preliminary positioning cylinder and the second positioning seat, the first riveting head is fixedly installed on one end of the connecting column close to the second positioning seat, the other end of the connecting column is fixedly connected with the driving end of the preliminary positioning cylinder, the fixed block is provided with a limiting sliding groove matched with the connecting column; the lower end of the support table is provided with the locking assembly, the locking assembly is used for locking the connecting column and the fixed block when the piston rod of the preliminary positioning cylinder is in the extended state.

[0016] Further, the locking assembly comprises a locking cylinder and a locking stud column, the locking cylinder is fixedly installed on the inner bottom of the support table, the driving end of the locking cylinder is fixedly installed with the locking stud column; the fixed block and the connecting column are provided with a locking groove matched with the locking stud column; when the piston rod of the preliminary positioning cylinder is in the extended state, the locking grooves of the fixed block and the connecting column are in the aligned state.

[0017] Further, the riveting assembly comprises a riveting cylinder and a second riveting head, the riveting cylinder is fixedly connected with the support table, the driving end of the riveting cylinder is fixedly installed with the second riveting head; the first riveting head and the second riveting head cooperate to perform riveting processing on the door limiter.

[0018] Further, the riveting cylinder is a double-stroke cylinder.

[0019] Compared with the prior art, the utility model discloses the beneficial effect is: 1, the first riveting pressure head is driven to the riveted bolt and is positioned initially to the initial positioning air cylinder, and the locking bolt column is inserted into the locking groove to make the connecting column and fixed block lock, so that the pressure that the first riveting pressure head receives is borne by the fixed block, and the possibility of damage of the initial positioning air cylinder is reduced, then riveting pressure cylinder drives the second riveting pressure head to the riveted bolt and is close to through two stroke, and the repositioning and riveting operation of the riveted bolt are carried out in turn, and the riveting operation of the door limiter is completed through the cooperation of the first riveting pressure head and the second riveting pressure head, and the yield is effectively improved.

[0020] 2, the automatic feeding operation of the door limiter is realized through the material moving mechanism, and the stable clamping effect of the door limiter is realized through the cooperation of the first pneumatic clamping jaw and the second pneumatic clamping jaw, effectively avoiding the position deviation of the door limiter in the carrying process. ACCURACY OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0022] Figure 1 It is a perspective view of the pin shaft riveting structure of the utility model;

[0023] Figure 2 It is a perspective view of the material moving mechanism of the utility model Figure One ;

[0024] Figure 3 It is a perspective view of the material moving mechanism of the utility model Figure Two ;

[0025] Figure 4 It is a perspective view of the support table of the utility model;

[0026] Figure 5 It is a top view of the support table of the utility model;

[0027] Figure 6 It is a perspective view of the riveting mechanism of the utility model;

[0028] Figure 7 It is a perspective view of the positioning mechanism of the utility model Figure One ;

[0029] Figure 8 It is a perspective view of the positioning mechanism of the utility model Figure Two .

[0030] The reference numerals in the drawing respectively represent:

[0031] 1, the door stopper; 11, the shell; 12, the main arm; 13, the connecting piece; 2, the material moving mechanism; 21, the double-joint robot; 22, the through-shaft screw motor; 23, the rotary cylinder; 24, the connecting plate; 25, the first pneumatic clamping jaw; 251, the protrusion; 26, the second pneumatic clamping jaw; 3, the support table; 4, the positioning mechanism; 41, the first positioning seat; 42, the second positioning seat; 43, the rotary down-pressing cylinder; 44, the pressing head; 45, the U-shaped positioning block; 5, the riveting mechanism; 51, the initial positioning cylinder; 52, the connecting column; 53, the first riveting head; 54, the fixed block; 55, the locking cylinder; 56, the locking bolt column; 57, the riveting cylinder; 58, the second riveting head. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0033] Embodiment one: in some embodiments, referring to the drawings of the specification Figures 1-8 A pin shaft riveting structure, comprising a support table 3 and a material moving mechanism 2 arranged on one side of the support table 3.

[0034] The support table 3 is provided with a positioning mechanism 4 for positioning the door stopper 1.

[0035] The support table 3 is provided with a riveting mechanism 5, which comprises an initial positioning assembly for positioning the rivet bolt and a riveting assembly for riveting the door stopper 1, and the initial positioning assembly and the riveting assembly are arranged on the rear side and the front side of the support table 3 respectively; after the workpiece is positioned on the positioning mechanism 4, the initial positioning assembly is used to position the rivet bolt first, and then the riveting assembly is used to rivet the door stopper 1.

[0036] The material moving mechanism 2 includes a double-joint robot 21, a through-shaft type screw motor 22, a rotary cylinder 23, a connecting plate 24, a first pneumatic clamp jaw 25 and a second pneumatic clamp jaw 26, the double-joint robot 21 is arranged on one side of the support table 3, the working end of the double-joint robot 21 is fixedly installed with the through-shaft type screw motor 22, the driving end of the through-shaft type screw motor 22 is fixedly installed with the rotary cylinder 23, and the driving end of the rotary cylinder 23 is fixedly installed with the connecting plate 24; the two ends of the connecting plate 24 are respectively fixedly installed with the first pneumatic clamp jaw 25 and the second pneumatic clamp jaw 26 for cooperating with clamping the door stopper 1, the first pneumatic clamp jaw 25 is used for clamping the shell 11, and the second pneumatic clamp jaw 26 is used for clamping the connecting piece 13.

[0037] The jaw of the first pneumatic clamp jaw 25 is arranged in a U-shaped mode for accommodating the main arm 12, and a plurality of protrusions 251 for cooperating with inserting into the shell 11 are fixedly installed on the proximal end of the two jaws of the first pneumatic clamp jaw 25; the double-joint robot 21, the through-shaft type screw motor 22 and the rotary cylinder 23 are cooperated to realize the carrying of the door stopper 1, when carrying, the two jaws of the first pneumatic clamp jaw 25 are inserted into the two sides of the shell 11 to clamp and fix the shell 11, the jaw of the second pneumatic clamp jaw 26 clamps the connecting piece 13, the stable clamping effect of the door stopper 1 is realized through the cooperation of the first pneumatic clamp jaw 25 and the second pneumatic clamp jaw 26, and the position deviation of the door stopper 1 in the carrying process is effectively avoided.

[0038] The positioning mechanism 4 includes a first positioning seat 41, a second positioning seat 42, a rotary down-pressing cylinder 43, a pressing head 44 and a U-shaped positioning block 45, the first positioning seat 41, the second positioning seat 42 and the rotary down-pressing cylinder 43 are all fixedly installed on the support table 3, and the first positioning seat 41 is provided with a profiling groove for positioning the shell 11; the second positioning seat 42 is provided with a profiling groove for positioning the main arm 12 and the connecting piece 13, and the profiling groove of the second positioning seat 42 is further provided with a U-shaped positioning block 45 for supporting and positioning the rivet bolt.

[0039] The driving end of the rotary down-pressing cylinder 43 is fixedly installed with the pressing head 44 for down-pressing and fixing the main arm 12 on the second positioning seat 42, and the pressing head 44 is made of rubber material.

[0040] The initial positioning assembly comprises an initial positioning cylinder 51, a connecting column 52, a first riveting head 53, a fixed block 54 and a locking assembly, the initial positioning cylinder 51 is fixedly connected with the support table 3, the fixed block 54 is fixedly connected with the support table 3 and located between the initial positioning cylinder 51 and the second positioning seat 42, the first riveting head 53 is fixedly installed on one end of the connecting column 52 close to the second positioning seat 42, the other end of the connecting column 52 is fixedly connected with the driving end of the initial positioning cylinder 51, and the fixed block 54 is provided with a limiting sliding groove matched with the connecting column 52; the lower end of the support table 3 is provided with the locking assembly, and the locking assembly is used for locking the connecting column 52 and the fixed block 54 when the piston rod of the initial positioning cylinder 51 is in the extended state.

[0041] The locking assembly comprises a locking cylinder 55 and a locking bolt column 56, the locking cylinder 55 is fixedly installed on the inner bottom of the support table 3, and the driving end of the locking cylinder 55 is fixedly installed with the locking bolt column 56; the fixed block 54 and the connecting column 52 are provided with locking grooves matched with the locking bolt column 56; when the piston rod of the initial positioning cylinder 51 is in the extended state, the locking grooves of the fixed block 54 and the connecting column 52 are in the aligned state.

[0042] The riveting assembly comprises a riveting cylinder 57 and a second riveting head 58, the riveting cylinder 57 is fixedly connected with the support table 3, and the driving end of the riveting cylinder 57 is fixedly installed with the second riveting head 58; the first riveting head 53 and the second riveting head 58 cooperate to rivet the door limiter 1;

[0043] In the utility model, when the door limiter 1 is in place on the first positioning seat 41 and the second positioning seat 42, the rotating down-pressing cylinder 43 drives the pressure head 44 to move, so that the main arm 12 is fixedly pressed on the second positioning seat 42; the initial positioning cylinder 51 drives the first riveting head 53 to approach the riveting bolt, the positioning of the riveting bolt is realized, the locking cylinder 55 drives the locking bolt column 56 to move upwards and insert into the locking groove, so that the connecting column 52 and the fixed block 54 are locked, so that the pressure received by the first riveting head 53 is borne by the fixed block 54, and the possibility of damage of the initial positioning cylinder 51 is reduced; subsequently, the riveting cylinder 57 drives the second riveting head 58 to approach the riveting bolt, and the riveting operation of the door limiter 1 is completed through cooperation of the first riveting head 53 and the second riveting head 58.

[0044] Preferably, the riveting cylinder 57 adopts a double-stroke cylinder, so that the second riveting head 58 has two displacement sections, so that the repositioning and riveting operation of the riveting bolt are sequentially carried out, and the yield is effectively improved.

[0045] The above examples are only used to illustrate the technical solutions of the present application, and are not intended to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can still be modified, or some technical features therein can be replaced by equivalents; and these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A pin shaft riveting structure, comprising a supporting table (3) and a material moving mechanism (2) arranged on one side of the supporting table (3), characterized in that: the supporting table (3) is provided with a positioning mechanism (4) for positioning a door limiter (1); the supporting table (3) is provided with a riveting mechanism (5), the riveting mechanism (5) comprising a preliminary positioning assembly for positioning a rivet bolt and a riveting assembly for riveting the door limiter (1), the preliminary positioning assembly and the riveting assembly being arranged on the rear side and the front side of the supporting table (3) respectively; after the workpiece is positioned on the positioning mechanism (4), the rivet bolt is first positioned by the preliminary positioning assembly, and then the door limiter (1) is riveted by the riveting assembly; the material moving mechanism (2) comprises a double-joint robot (21), a through-shaft screw motor (22), a rotary air cylinder (23), a connecting plate (24), a first pneumatic clamp jaw (25) and a second pneumatic clamp jaw (26), the double-joint robot (21) being arranged on one side of the supporting table (3), the working end of the double-joint robot (21) being fixedly installed with the through-shaft screw motor (22), the driving end of the through-shaft screw motor (22) being fixedly installed with the rotary air cylinder (23), the driving end of the rotary air cylinder (23) being fixedly installed with the connecting plate (24); the two ends of the connecting plate (24) are respectively fixedly installed with the first pneumatic clamp jaw (25) and the second pneumatic clamp jaw (26) for clamping the door limiter (1), the first pneumatic clamp jaw (25) being used for clamping the shell (11), and the second pneumatic clamp jaw (26) being used for clamping the connecting piece (13).

2. The pin rivet structure according to claim 1, wherein The clamping jaws of the first pneumatic clamp jaw (25) are arranged in a U shape for accommodating the main arm (12), and the close ends of the two clamping jaws of the first pneumatic clamp jaw (25) are fixedly installed with a plurality of protrusions (251) for being inserted into the shell (11).

3. The pin rivet structure according to claim 1, wherein The positioning mechanism (4) comprises a first positioning seat (41), a second positioning seat (42), a rotary pressing-down air cylinder (43) and a pressing head (44), the first positioning seat (41), the second positioning seat (42) and the rotary pressing-down air cylinder (43) being all fixedly installed on the supporting table (3), the first positioning seat (41) being provided with a profiling groove for positioning the shell (11); the second positioning seat (42) being provided with a profiling groove for positioning the main arm (12) and the connecting piece (13), the driving end of the rotary pressing-down air cylinder (43) being fixedly installed with the pressing head (44) for pressing down and fixing the main arm (12) on the second positioning seat (42).

4. The pin-riveted structure according to claim 3, wherein The profiling groove of the second positioning seat (42) is further provided with a U-shaped positioning block (45) for supporting and positioning the rivet bolt.

5. The pin rivet structure according to claim 3, wherein The primary positioning assembly comprises a primary positioning cylinder (51), a connecting column (52), a first riveting head (53), a fixed block (54) and a locking assembly, the primary positioning cylinder (51) is fixedly connected with the support table (3), the fixed block (54) is fixedly connected with the support table (3) and located between the primary positioning cylinder (51) and the second positioning seat (42), the first riveting head (53) is fixedly installed on one end of the connecting column (52) close to the second positioning seat (42), the other end of the connecting column (52) is fixedly connected with the driving end of the primary positioning cylinder (51), and the fixed block (54) is provided with a limiting sliding groove matched with the connecting column (52); the lower end of the support table (3) is provided with the locking assembly, and the locking assembly is used for locking the connecting column (52) and the fixed block (54) when the piston rod of the primary positioning cylinder (51) is in the extended state.

6. The pin rivet structure according to claim 5, wherein The locking assembly comprises a locking cylinder (55) and a locking bolt column (56), the locking cylinder (55) is fixedly installed on the inner bottom of the support table (3), and the driving end of the locking cylinder (55) is fixedly installed with the locking bolt column (56); the fixed block (54) and the connecting column (52) are provided with locking grooves matched with the locking bolt column (56); when the piston rod of the primary positioning cylinder (51) is in the extended state, the locking grooves of the fixed block (54) and the connecting column (52) are in the aligned state.

7. The pin rivet structure according to claim 5, wherein The riveting assembly comprises a riveting cylinder (57) and a second riveting head (58), the riveting cylinder (57) is fixedly connected with the support table (3), and the driving end of the riveting cylinder (57) is fixedly installed with the second riveting head (58); the first riveting head (53) and the second riveting head (58) cooperate to rivet and press the vehicle door limiter (1).

8. The pin rivet structure according to claim 7, wherein The riveting cylinder (57) is a double-stroke cylinder.

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