Valve pressure ring press-in tool

Abstract

The application relates to a valve pressure ring press riveting tool, which comprises a tool seat, a pressure head positioning module and a riveting module are arranged on the tool seat, the pressure head positioning module comprises a mounting frame, a first driving element and a pressure head, a workpiece base for bearing a workpiece is arranged on the tool seat, a containing cavity is arranged on the workpiece base, the pressure head is arranged on an output shaft of the first driving element and does lifting movement relative to the workpiece base under the action of the first driving element, the riveting module comprises a riveting element arranged around the workpiece base and a second driving element for driving the riveting element to axially slide relative to the workpiece base, and the tool seat is further provided with a first switch and a second switch for driving the first driving element and the second driving elements to work. By adopting the above technical scheme, the valve pressure ring press riveting tool is provided, automatic press riveting is realized, the assembly efficiency is improved, the quality stability is ensured, and the safety hidden danger is avoided.

Description

TECHNICAL FIELD

[0001] The application relates to fuel pump assembly equipment, in particular to a valve pressure ring riveting tool. BACKGROUND

[0002] At present, the valve pressure ring is riveted on a support through manual operation, and an operator uses diagonal pliers to bend four fixing feet of the valve pressure ring to complete fixing.

[0003] 1. The assembly efficiency is low, the operator needs to manually bend four fixing feet, and the space between the fixing feet and the support is small, which causes difficulty in operation and needs to consume a large amount of time.

[0004] 2. The assembly quality is unstable, and the assembly quality depends on the operator, the bending degree of the fixing feet of the valve pressure ring cannot be controlled uniformly, and the fixing feet may be not bent, which causes quality risks.

[0005] 3. In terms of safety, the operator may be injured due to improper operation for a long time, which does not meet the safety production requirements of automatic production. SUMMARY

[0006] The application aims at overcoming the defects of the prior art, and provides a valve pressure ring riveting tool, which realizes automatic riveting, improves the assembly efficiency, guarantees the stable quality and avoids safety risks.

[0007] The technical scheme of the application is as follows: a valve pressure ring riveting tool comprises a tool seat, a pressure head positioning module and a riveting module are arranged on the tool seat in a relative mode, the pressure head positioning module comprises a mounting frame, a first driving element arranged on the mounting frame and a pressure head, a workpiece base for bearing a workpiece is arranged on the tool seat, a containing cavity for inserting a pressure valve is arranged on the workpiece base, a valve pressure ring is arranged on the outer periphery of the pressure valve and located on the upper end face of the workpiece base, the pressure head is arranged on the output shaft of the first driving element and moves up and down relative to the workpiece base under the action of the first driving element, the riveting module comprises riveting elements arranged around the workpiece base and a second driving element for driving the riveting elements to axially slide relative to the workpiece base, openings are arranged on the workpiece base corresponding to the positions of the riveting elements, fixing feet on the valve pressure ring are located in the openings, the riveting elements can drive the bending of the fixing feet on the valve pressure ring, and the tool seat is further provided with a first switch and a second switch for driving the first driving element and the second driving elements to work.

[0008] The technical scheme is adopted, automatic riveting and pressing are realized, assembly efficiency is improved, quality stability is ensured, and safety hazards are avoided, the pressure valve is installed in the containing cavity, the valve pressure ring is sleeved on the pressure valve, the fixing foot is located at the opening position, the support is located above the valve pressure ring, the first switch is pressed, the pressing head is lowered under the action of the first driving element, is pressed against the support, and the workpiece is tightly fixed on the workpiece base, the second switch is pressed, the riveting piece moves to the workpiece base under the action of the second driving element, the fixing foot is riveted, the valve pressure ring and the support are riveted and fixed, the switch is released, the pressing head and the riveting piece return to the original position, and the riveted workpiece can be taken down.

[0009] Further arrangement of the present application: one of the riveting pieces is provided with a riveting block in the shape of a "7", the outer side of the riveting block is arc-shaped, the riveting block is detachably connected with the riveting piece, the support is provided with an arc-shaped through slot, when the pressure valve is installed, the riveting block is located in the arc-shaped through slot and can slide in the arc-shaped through slot under the action of the second driving element, the remaining riveting pieces are located at the lower end surface of the support, and the riveting piece is provided with a riveting port in the shape of a " " to bend the fixing foot on the valve pressure ring.

[0010] With the above further arrangement, because the support is irregularly shaped, after the support is installed, part of the riveting pieces cannot work due to the influence of the support, therefore, the riveting block is arranged in the shape of a "7" and can slide in the arc-shaped through slot, avoiding the influence of the support on the riveting pieces, the remaining riveting pieces are located at the lower end surface of the support and can normally slide without being affected by the support, after the riveting piece slides to the workpiece base, the fixing foot is located in the riveting port and is bent by the riveting piece to realize riveting.

[0011] Further arrangement of the present application: the tool seat is provided with a positioning plate corresponding to the position of each second driving element, the second driving element is installed on the corresponding positioning plate, and the upper end surfaces of the two positioning plates are provided with a slot opening for accommodating the support to position the support.

[0012] With the above further arrangement, the support can be positioned to be stable in structure during riveting to prevent shaking from affecting the riveting effect.

[0013] Further arrangement of the present application: the mounting frame comprises an upper mounting plate, a lower mounting plate and a connecting column connecting the upper and lower mounting plates, the first driving element is installed on the upper end surface of the upper mounting plate, the output shaft of the first driving element extends to the lower end surface of the upper mounting plate and is connected with the pressing head through a joint, the lower mounting plate is installed on the tool seat, and each second driving element is located around the lower mounting plate.

[0014] With the further arrangement, the connecting column is connected with the upper and lower mounting plates through screws, and the lower mounting plate is fixed on the tool holder through screws, facilitating installation.

[0015] The further arrangement of the application is that the workpiece base is fixed at the middle position of the lower mounting plate, and the lower mounting plate is provided with guide seats around the workpiece base, and the guide seats are provided with guide sliding grooves.

[0016] With the further arrangement, the structure layout is reasonable, the guide sliding groove makes the riveting piece slide stably without deviation, and the fixed foot on the valve compression ring is accurately positioned and riveted.

[0017] The further arrangement of the application is that the lower mounting plate is provided with a D-shaped hole and a plurality of first connecting holes, the bottom of the workpiece base is provided with a mounting column in a D-shaped arrangement and a plurality of second connecting holes, the mounting column is inserted into the D-shaped hole, and the first connecting holes and the second connecting holes are coaxial and fixed through screws.

[0018] With the further arrangement, the workpiece base is stably installed on the lower mounting plate, and the workpiece base remains stable during riveting of the valve compression ring and is not affected by rotation.

[0019] The further arrangement of the application is that the support is provided with a positioning cavity, and a positioning column is arranged in the positioning cavity, the pressure head is in a columnar structure, and after the pressure head is lowered under the action of the first driving piece, the pressure head is sleeved outside the positioning column and is pressed against the bottom wall of the positioning cavity.

[0020] With the further arrangement, the support is positioned, so that the support is stable and does not move during riveting of the valve compression ring, and the riveting effect is not affected.

[0021] The further arrangement of the application is that the pressure head positioning module further includes a guide rod and a third mounting plate, the lower end of the guide rod is mounted on the third mounting plate, the support is provided with a guide channel, the upper end of the guide rod is slidably arranged in the guide channel, and the joint and the pressure head are connected to the third mounting plate.

[0022] With the further arrangement, the guide sliding effect is achieved, so that the pressure head is stably lifted and lowered, can be accurately pressed against the support, and deviation is avoided to position the support.

[0023] The further arrangement of the application is that the riveting piece is provided with a connecting groove, and the output shaft of the second driving piece is provided with a T-shaped connecting piece inserted into the connecting groove.

[0024] With the further arrangement, the connecting groove is open at both ends, the connecting piece can be slid into the end part, the connecting structure is simple and convenient to disassemble and assemble, but the stability and firmness between the second driving piece and the riveting piece are not affected. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 The structure schematic diagram of the embodiment of the present application is shown in the figure;

[0026] Figure 2 The schematic diagram of the press head positioning module of the embodiment of the present application is shown in the figure;

[0027] Figure 3 The schematic diagram of the riveting module of the embodiment of the present application is shown in the figure;

[0028] Figure 4 The schematic diagram of the workpiece base of the embodiment of the present application is shown in the figure;

[0029] Figure 5 The schematic diagram of the riveting piece and the second driving piece of the embodiment of the present application is shown in the figure;

[0030] Figure 6 The schematic diagram of the second driving piece and the positioning plate of the embodiment of the present application is shown in the figure;

[0031] Figure 7 The schematic diagram of the riveting piece of the embodiment of the present application is shown in the figure;

[0032] Figure 8 The schematic diagram of the riveting block of the embodiment of the present application is shown in the figure;

[0033] Figure 9 The schematic diagram of the workpiece installed on the workpiece base of the embodiment of the present application is shown in the figure;

[0034] Figure 10 The schematic diagram of the workpiece before riveting of the embodiment of the present application is shown in the figure;

[0035] Figure 11 The schematic diagram of the workpiece bottom of the embodiment of the present application is shown in the figure.

[0036] In the figure, 1, tool seat; 11, first switch; 12, second switch; 2, press head positioning module; 21, mounting frame; 211, upper mounting plate; 212, lower mounting plate; 213, connecting column; 214, D-shaped hole; 215, first connecting hole; 22, first driving piece; 23, press head; 24, guide rod; 25, third mounting plate; 3, riveting module; 31, riveting piece; 311, riveting block; 312, riveting port; 313, connecting groove; 32, second driving piece; 321, connecting piece; 4, workpiece base; 41, accommodating cavity; 42, opening; 43, mounting column; 5, positioning plate; 51, notch; 6, joint; 7, guide seat; 71, guide sliding groove; 10, support; 101, arc-shaped through slot; 102, positioning cavity; 103, positioning column; 20, pressure valve; 30, valve pressure ring; 301, fixing foot. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0038] It should be noted that, in the description of the present application, all directional indications (such as up, down, front, back, etc.) are only used to explain the relative position relationship, movement condition, etc. between components in a certain posture (as shown in the drawings), and if the certain posture changes, the directional indications also change accordingly.

[0039] In addition, the description such as “first”, “second” and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. In the description of the present application, the meaning of “several” is at least two, for example, two, three, etc., unless otherwise explicitly and specifically limited.

[0040] In addition, the technical solutions of various embodiments of the present application can be combined with each other, but it must be based on the realization of a person skilled in the art, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope of the present application.

[0041] For example, the first driving piece 22 can be a motor, and the second driving piece 32 can be a motor. Figures 1-11As shown, a valve pressure ring pressure riveting tool includes a tool seat 1, the tool seat 1 is provided with oppositely arranged pressure head positioning module 2 and riveting module 3, the pressure head positioning module 2 includes a mounting frame 21, a first driving member 22 provided on the mounting frame 21 and a pressure head 23, the tool seat 1 is provided with a workpiece base 4 for bearing a workpiece, the workpiece base 4 is provided with a containing cavity 41 for inserting a pressure valve 20, a valve pressure ring 30 is sleeved on the outer periphery of the pressure valve 20 and located on the upper end surface of the workpiece base 4, the pressure head 23 is provided on the output shaft of the first driving member 22 and moves up and down relative to the workpiece base 4 under the action of the first driving member 22, the riveting module 3 includes a riveting piece 31 provided around the workpiece base 4 and a second driving member 32 for driving the riveting piece 31 to axially slide relative to the workpiece base 4, the workpiece base 4 is provided with an opening 42 corresponding to the position of each riveting piece 31, and the fixing foot 301 on the valve pressure ring 30 is located at the opening, the riveting piece 31 can drive the bending of the fixing foot 301 on the valve pressure ring 30, the tool seat 1 is further provided with a first switch 11 and a second switch 12 for driving the first driving member 22 and each second driving member 32 to work, the first driving member 22 and the second driving member 32 can be provided with a gas cylinder, or an electric cylinder or a motor, etc., to realize automatic riveting, improve assembly efficiency, ensure quality stability and avoid safety hazards, the pressure valve 20 is loaded into the containing cavity 41, the valve pressure ring 30 is sleeved on the pressure valve 20, the fixing foot 301 is located at the position of the opening 42, the bracket 10 is located above the valve pressure ring 30, the first switch 11 is pressed, the pressure head 23 moves downward under the action of the first driving member 22 and is pressed on the bracket 10, the workpiece is tightly fixed on the workpiece base 4, the second switch 12 is pressed, the riveting piece 31 moves towards the workpiece base 4 under the action of the second driving member 32, and the fixing foot 301 is riveted, so that the upper end of the fixing foot 301 bends inward, the upper end refers to the orientation when the workpiece is loaded on the workpiece base, so that the valve pressure ring 30 and the bracket 10 are riveted and fixed, the switches are released, the pressure head 23 and the riveting piece 31 return to the original position, and the riveted workpiece can be removed.

[0042] One of the riveting pieces 31 is provided with a riveting block 311 in the shape of "7", the outer side of the riveting block 311 is arc-shaped, the riveting block 311 is detachably connected with the riveting piece 31, and can be connected through screws, the support 10 is provided with an arc-shaped through slot 101, when the support 10 is installed on the pressure valve 20, the riveting block 311 is located in the arc-shaped through slot 101 and can slide in the arc-shaped through slot 101 under the action of the second driving piece 32, the remaining riveting pieces 31 are located on the lower end face of the support 10, and the riveting piece 31 is provided with a riveting port 312 in the shape of a Chinese character "fang" to bend the fixed foot 301 on the valve pressing ring 30, because the support 10 is irregularly shaped, after the support 10 is installed, part of the riveting pieces 31 cannot work due to the influence of the support 10, therefore, the riveting block 311 is arranged in the shape of "7" and can slide in the arc-shaped through slot, so as to avoid that the riveting pieces 31 are influenced by the support 10 and cannot be riveted, the remaining riveting pieces 31 are located on the lower end face of the support 10 and are not influenced by the support 10, so that they can normally slide, after the riveting piece 31 slides to the workpiece base 4, the fixed foot 301 is located in the riveting port 312 and is bent to be riveted by the riveting piece 31. The riveting piece 31 is provided with a connecting groove 313, the output shaft of the second driving piece 32 is provided with a connecting piece 321 in the shape of "T", the connecting piece 321 is inserted into the connecting groove 313, the connecting groove 313 is open at both ends, and the connecting piece 321 can be slid into the end part, so that the connecting structure is simple, convenient to disassemble and assemble, but does not affect the stability and firmness between the second driving piece 32 and the riveting piece 31.

[0043] The tool seat 1 is provided with a positioning plate 5 corresponding to the position of each second driving piece 32, the second driving piece 32 is installed on the corresponding positioning plate 5, the upper end face of two positioning plates 5 is provided with a slot 51 for accommodating the support 10, so as to position the support 10, the support 10 can be positioned to make the structure stable during riveting, so as to prevent shaking from affecting the riveting effect, the second driving piece 32 is connected with the positioning plate 5, the mounting frame 21 comprises an upper mounting plate 211, a lower mounting plate 212 and a connecting column 213 connecting the upper and lower mounting plates, the positioning plate 5 is located at the outer periphery of the lower mounting plate 212 and is connected with the lower mounting plate 212 through screws, the first driving piece 22 is installed on the upper end face of the upper mounting plate 211, the output shaft of the first driving piece 22 extends to the lower end face of the upper mounting plate 211 and is connected with the pressure head 23 through the joint 6, the lower mounting plate 212 is installed on the tool seat 1, each second driving piece 32 is located at the periphery of the lower mounting plate 212, the connecting column 213 is connected with the upper and lower mounting plates 212 through screws, the lower mounting plate 212 is fixed on the tool seat 1 through screws, so as to be convenient for installation, the lower mounting plate 212 can be installed on the tool seat 1 first, then the riveting module 3 is installed, and finally the connecting column 213 and the upper mounting plate 211 are installed.

[0044] The workpiece base 4 is fixedly arranged at the middle position of the lower mounting plate 212, and the lower mounting plate 212 is provided with guide seats 7 around the workpiece base 4, the guide seats 7 are provided with guide sliding grooves 71, and the riveting and pressing piece 31 is slidingly arranged in the guide sliding grooves 71. The structure layout is reasonable, the guide sliding grooves 71 make the riveting and pressing piece 31 stable when sliding, are not deviated, accurately position the fixing feet 301 on the valve pressing ring 30, and perform riveting and pressing. Specifically, the mounting mode of the workpiece base 4 and the lower mounting plate 212, the lower mounting plate 212 is provided with a D-shaped hole 214 and a plurality of first connecting holes 215, the bottom of the workpiece base 4 is provided with a D-shaped mounting column 43 and a plurality of second connecting holes, the mounting column 43 is inserted into the D-shaped hole 214, the first connecting holes 215 are coaxial with the second connecting holes and are fixed by screws, so that the workpiece base 4 is stably mounted on the lower mounting plate 212, and the workpiece base 4 remains stable when the valve pressing ring 30 is riveted and pressed, and is not affected to be rotated and moved.

[0045] The support 10 is provided with a positioning cavity 102, the positioning cavity 102 is provided with a positioning column 103, the pressing head 23 is in a columnar structure, the pressing head 23 is sleeved outside the positioning column 103 and is pressed on the bottom wall of the positioning cavity 102 after being driven downward by the first driving piece 22, the support 10 is positioned, the support 10 is stable and is not moved when the valve pressing ring 30 is riveted and pressed, and the riveting and pressing effect is not affected; the pressing head positioning module 2 further includes a guide rod 24 and a third mounting plate 25, the lower end of the guide rod 24 is mounted on the third mounting plate 25, the mounting frame 21 is provided with a guide channel, the upper end of the guide rod 24 is slidingly arranged in the guide channel, and the joint 6 and the pressing head 23 are connected to the third mounting plate 25. The guide rod 24 can slide and guide, the structure of the pressing head 23 is stable when being lifted and lowered, the pressing head 23 can be accurately pressed on the support 10, and the support 10 cannot be positioned due to deviation.

Claims

1. A valve-pressing ring press-fitting tool, characterized by, The utility model provides a riveting device, including tool seat (1), the tool seat (1) is equipped with opposite pressure head positioning module (2) and riveting module (3), the pressure head positioning module (2) includes mounting bracket (21), first drive (22) for being equipped on mounting bracket (21) and pressure head (23), the tool seat (1) is equipped with workpiece base (4) for bearing workpiece, the workpiece base (4) is equipped with the accommodation cavity (41) for the insertion of pressure valve (20), valve pressure ring (30) is sleeved on the outer periphery of pressure valve (20) and is located the upper end surface of workpiece base (4), the pressure head (23) is equipped on the output shaft of first drive (22), and under the action of first drive (22) relative workpiece base (4) does the lifting movement, the riveting module (3) includes riveting piece (31) for being equipped around workpiece base (4) and the second drive (32) of driving riveting piece (31) relative workpiece base (4) axial slip, the workpiece base (4) is equipped with opening (42) on the position corresponding to each riveting piece (31), the fixed foot (301) on valve pressure ring (30) is located at opening (42), and the bending of the fixed foot (301) on valve pressure ring (30) can be driven when riveting piece (31) slips, the tool seat (1) is also equipped with the first switch (11) and the second switch (12) of driving first drive (22) and each second drive (32) work, one riveting piece (31) is equipped with riveting block (311) of presenting " 7 ” shape setting, the outer side of riveting block (311) is arc-shaped setting, riveting block (311) is detachably connected with riveting piece (31), the bracket (10) is equipped with arc-shaped through slot (101), when being installed to pressure valve (20), riveting block (311) is located in arc-shaped through slot (101), and can slip in arc-shaped through slot (101) under the action of second drive (32), the rest riveting piece (31) is located at the lower end surface of bracket (10), and riveting piece (31) is equipped with riveting mouth (312) of presenting the character of Chinese character of the big square, to drive the bending of the fixed foot (301) on valve pressure ring (30).

2. The valve-pressing ring press-fitting tool according to claim 1, wherein The tool seat (1) is equipped with positioning plate (5) on the position corresponding to each second drive (32), and the second drive (32) is installed on the corresponding positioning plate (5), wherein the upper end surface of two positioning plates (5) is provided with a slot (51) for accommodating the bracket (10) to position the bracket (10).

3. The valve-pressing ring press-fitting tool according to claim 1 or 2, characterized by The mounting bracket (21) includes an upper mounting plate (211), a lower mounting plate (212), and a connecting column (213) connecting the upper and lower mounting plates, the first drive (22) is installed on the upper end surface of the upper mounting plate (211), the output shaft of the first drive (22) extends to the lower end surface of the upper mounting plate (211) and is connected with the pressure head (23) through a joint (6), the lower mounting plate (212) is installed on the tool seat (1), and each second drive (32) is located around the lower mounting plate (212).

4. The valve-pressing ring press-fitting tool according to claim 3, wherein The workpiece base (4) is fixedly arranged at the middle position of the lower mounting plate (212), guide seats (7) are arranged around the workpiece base (4) on the lower mounting plate (212), guide sliding grooves (71) are formed in the guide seats (7), and the riveting and pressing piece (31) is slidingly arranged in the guide sliding grooves (71).

5. The valve-pressing ring press-fitting tool according to claim 3, wherein The lower mounting plate (212) is provided with a D-shaped hole (214) and a plurality of first connecting holes (215), the bottom of the workpiece base (4) is provided with a mounting column (43) in a D-shaped arrangement and a plurality of second connecting holes, the mounting column (43) is inserted into the D-shaped hole (214), the first connecting holes (215) are coaxial with the second connecting holes and are fixed by screws.

6. The valve-pressing ring press-fitting tool according to claim 1 or 2, characterized by The support (10) is provided with a positioning cavity (102), the positioning cavity (102) is provided with a positioning column (103), the pressing head (23) is in a columnar structure, and the pressing head (23) is sleeved outside the positioning column (103) and is pressed against the bottom wall of the positioning cavity (102) after being driven downward by the first driving piece (22).

7. The valve-pressing ring press-fitting tool according to claim 3, wherein The pressing head positioning module (2) further comprises a guide rod (24) and a third mounting plate (25), the lower end of the guide rod (24) is mounted on the third mounting plate (25), the mounting frame (21) is provided with a guide channel, the upper end of the guide rod (24) is slidingly arranged in the guide channel, and the joint (6) and the pressing head (23) are connected to the third mounting plate (25).

8. The valve-pressing ring press-fitting tool according to claim 1 or 2, characterized by The riveting and pressing piece (31) is provided with a connecting groove (313), and the output shaft of the second driving piece (32) is provided with a connecting piece (321) in a T-shaped arrangement, the connecting piece (321) is inserted into the connecting groove (313).

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