CN212976616U

CN212976616U - Riveting machine convenient to clamping work piece

Info

Publication number: CN212976616U
Application number: CN202021885625.8U
Authority: CN
Inventors: 蔡鑫兮
Original assignee: Jiangsu Darxun Machinery Co ltd
Current assignee: Jiangsu Darxun Machinery Co ltd
Priority date: 2020-09-01
Filing date: 2020-09-01
Publication date: 2021-04-16
Anticipated expiration: 2030-09-01

Abstract

The application relates to a riveting machine convenient for clamping workpieces, which comprises a rack, a pressing head, a bearing column and a clamping device, wherein the rack is arranged on the rack and is used for riveting pins; the rack is provided with a mounting plate, and the mounting plate is provided with a abdicating hole for the bearing column to penetrate through; the upper surface of the mounting plate is provided with a movable plate and a plurality of supporting blocks, and the upper end walls of all the supporting blocks are flush with the upper end walls of the bearing columns; the movable plate is connected with the mounting plate in a sliding manner along the width direction of the fixed plate; the upper surface of the moving plate is provided with a limiting block; a limiting groove for placing one corner of a workpiece is formed in the upper surface of the limiting block along the vertical direction; the limiting block is magnetically connected with the moving plate. This application makes the fixed orifices of work piece and the pinhole of holding post align fast through the location with the stopper to the work piece to the clamping speed of work piece has been improved, and then has improved machining efficiency.

Description

Riveting machine convenient to clamping work piece

Technical Field

The application relates to the technical field of riveting equipment, in particular to a riveting machine convenient for clamping workpieces.

Background

The riveting machine utilizes stamping equipment and a special connecting die to form a stress-concentration-free internal embedded round point according to cold extrusion deformation of a plate material by an instant strong high-pressure processing process so as to connect the plate. In actual production, the pin and the plate can also be fixed by using a riveting press.

A riveting machine, referring to fig. 1, comprises a frame 1, a hydraulic cylinder 2 and a control switch 3 for controlling the extension or retraction of a piston rod of the hydraulic cylinder 2. Pneumatic cylinder 2 is along vertical direction and 1 fixed connection of frame, and the end wall fixedly connected with pressure head 21 of the piston rod of pneumatic cylinder 2 slides along vertical direction through 2 piston rod drive pressure heads 21 of pneumatic cylinder. Be provided with on frame 1 and accept post 11, accept post 11 and be located pressure head 21 under, hold the pinhole 111 that is used for placing pin 5 in the post 11 upper end wall of connecing. When the pin 5 and the workpiece 4 need to be fixed, firstly, the bottom wall of the workpiece 4 is attached to the end wall of the receiving column 11 to support the workpiece 4, and then the workpiece 4 is moved in the plane of the end wall of the receiving column 11, so that the fixing hole 41 of the workpiece 4 is aligned with the pin hole 111; then the pin 5 is inserted into the fixing hole 41 and placed in the pin hole 111, the control switch 3 is stepped, the hydraulic cylinder 2 drives the pressure head 21 to slide downwards and punch the pin 5, the pin 5 is stressed to generate cold extrusion deformation, namely the pin 5 is fixed with the workpiece 4; and finally, the control switch 3 is released, the pressure head 21 moves upwards, the operator lifts the workpiece 4, the pin 5 is separated from the pin hole 111, and the workpiece 4 is taken down, namely the fixed connection between the pin 5 and the workpiece 4 is completed.

With respect to the related art in the above, the inventor believes that it is troublesome for an operator to align the fixing hole 41 with the pin hole 111 and affects the machining efficiency due to the small size of the fixing hole 41 and the pin hole 111 and the fact that the workpiece 4 blocks the view, and thus needs to be improved.

SUMMERY OF THE UTILITY MODEL

In order to improve work piece clamping speed, and then improve machining efficiency, this application provides a riveting machine convenient to clamping work piece.

The application provides a pair of riveting machine convenient to clamping work piece adopts following technical scheme:

a riveting press convenient for clamping workpieces comprises a rack and a pressure head arranged on the rack and used for riveting pins, wherein a bearing column is arranged on the rack right below the pressure head; the rack is provided with a mounting plate, and the mounting plate is provided with a abdicating hole for the bearing column to penetrate through; the upper surface of the mounting plate is provided with a movable plate and a plurality of supporting blocks, and the upper surfaces of all the supporting blocks are flush with the upper end wall of the bearing column; the movable plate is connected with the mounting plate in a sliding manner along the width direction of the mounting plate; the upper surface of the moving plate is provided with a limiting block; a limiting groove for placing one corner of a workpiece is formed in the upper surface of the limiting block along the vertical direction; the limiting block is magnetically connected with the moving plate.

By adopting the technical scheme, the positions of the movable plate and the limiting block are adjusted and fixed, one corner of the workpiece is placed into the limiting groove, the side wall of the workpiece is attached to the side wall of the limiting groove, the alignment of the workpiece fixing hole and the pin hole of the bearing column can be realized, the workpiece clamping structure is simple, the operation is convenient, the workpiece clamping efficiency is improved, and the machining efficiency is further improved. The limiting block can be fixed at any position in the plane through the movable plate, the clamping requirements of workpieces with different sizes and the clamping requirements of the fixed pins corresponding to the fixed holes at different positions on the workpieces can be met, and the application range of clamping the workpieces is widened.

Optionally, a first sliding groove is formed in the upper surface of the mounting plate along the width direction of the moving plate, a sliding block is connected in the first sliding groove in a sliding manner, a fixed block is arranged on the upper surface of the sliding block, and a fixed groove matched with the fixed block in an inserting manner is formed in the small surface of the moving plate; the sliding block is in threaded connection with a fixing screw which can abut against the bottom wall of the first sliding groove to fix the sliding block.

Through adopting above-mentioned technical scheme, the movable plate passes through slider and the cooperation of first groove that slides, realizes the sliding of movable plate along self width direction, and the fixed screw of screwing can the fixed slide block, and then fixed movable plate, easy operation. The movable plate and the sliding block are fixed through the insertion and connection matching of the fixed block and the fixed groove, the structure is simple, the movable plate is convenient to disassemble, and the mounting plate is cleaned.

Optionally, a second sliding groove for sliding the limiting block is formed in the upper surface of the moving plate along the length direction of the fixing plate, a magnetic part is fixedly connected to the bottom wall of the second sliding groove, and an adsorption part magnetically attracted with the magnetic part is arranged on the lower surface of the limiting block.

Through adopting above-mentioned technical scheme, the stopper adsorbs with the position of fixed stopper through adsorbing piece and magnetic part, has realized the stepless regulation of stopper along fixed plate length direction, simple structure, convenient operation.

Optionally, a supporting block is arranged in the second sliding groove, a supporting cylinder is fixedly connected to the upper surface of the supporting block, and a supporting plate which can be supported against the side wall of the workpiece is arranged on the end wall of the piston rod of the supporting cylinder.

By adopting the technical scheme, after the two side walls of the workpiece are attached to the side walls of the limiting grooves, the abutting air cylinder is started, the piston rod of the abutting air cylinder extends out, the abutting plate is pushed to abut against the workpiece, and the workpiece can be fixed. During processing, an operator does not need to hold the workpiece by hands, and the operation safety is improved.

Optionally, the end wall of the piston rod of the tightening cylinder is fixedly connected with a connecting plate, a guide rod connected with the connecting plate in a sliding manner is arranged on the side wall of the tightening plate facing the tightening cylinder, and an elastic part is arranged between the tightening plate and the connecting plate.

By adopting the technical scheme, when the piston rod of the abutting air cylinder extends out, the impact force is large, and the workpiece is easy to deform under stress because the workpiece is generally a plate. The acting force of the abutting plate on the workpiece is reduced through the slow release effect of the elastic piece on the impact force of the abutting cylinder piston rod.

Optionally, the fixed slots are provided with a plurality of slots along the length direction of the moving plate.

By adopting the technical scheme, the different fixing grooves in the length direction of the moving plate are matched with the fixing blocks of the sliding blocks, so that the adjusting range of the limiting block in the length direction of the moving plate is enlarged, and the applicability of clamping workpieces is further improved.

Optionally, the mounting plate is provided with a plurality of mounting holes along the thickness direction of the mounting plate, and the lower end wall of the supporting block is provided with a mounting protrusion which can be matched with the mounting holes in an inserting manner.

Through adopting above-mentioned technical scheme, supporting shoe upper surface and accept the post upper end wall parallel and level to support the work piece, the fixed orifices of being convenient for aligns with the pinhole. The supporting shoe passes through the installation arch and cooperates with the mounting hole grafting, can be according to the size of actual work piece, the position of adjustment supporting shoe, has improved the suitability of mounting panel to the clamping of multiple size work piece.

Optionally, the bearing column sleeve is provided with a bearing sleeve for disassembling the workpiece, and the side wall of the bearing sleeve is fixedly connected with an operating rod.

By adopting the technical scheme, the operating rod is lifted upwards to drive the bearing sleeve to support the workpiece, so that the phenomenon that the workpiece is supported by hands from two sides of the workpiece and is greatly deformed is avoided.

In summary, the present application includes at least one of the following beneficial technical effects:

1. after the position of the limiting block is adjusted and fixed, only one corner of the workpiece needs to be placed into the limiting groove, the side wall of the workpiece is attached to the side wall of the limiting groove, the workpiece is clamped, operation is simple, and efficiency is high. The position of the limiting block is adjustable, so that the applicability is improved;

2. the workpiece is tightly abutted through the abutting air cylinder, so that labor is saved, and safety is high;

3. the workpiece is lifted through the bearing sleeve, the workpiece is more convenient to disassemble, and the risk of workpiece deformation is reduced.

Drawings

Fig. 1 is a schematic view of an overall structure of a riveting press in the related art.

Fig. 2 is a schematic view of the whole mechanism of the riveting press convenient for clamping the workpiece in the embodiment.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is a schematic diagram for showing an explosion state of the workpiece clamping process.

FIG. 5 is a schematic cross-sectional view showing the structure of the stop block and the abutting cylinder for fixing the workpiece.

Fig. 6 is an explosion diagram for showing the fixing manner of the limiting block and the abutting block in the second sliding groove.

Description of reference numerals: 1. a frame; 11. a support post; 111. a pin hole; 112. a bearing sleeve; 1121. an operating lever; 2. a hydraulic cylinder; 21. a pressure head; 3. a control switch; 4. a workpiece; 41. a fixing hole; 5. a pin; 6. mounting a plate; 61. a hole of abdication; 62. moving the plate; 621. a limiting block; 6211. a limiting groove; 6212. an adsorbing member; 622. fixing grooves; 623. a second sliding groove; 6231. a magnetic member; 63. a support block; 631. mounting a boss; 64. mounting holes; 65. a first sliding groove; 651. a slider; 6511. a fixed block; 6512. a set screw; 7. a propping block; 71. tightly abutting against the air cylinder; 711. a connecting plate; 712. a propping plate; 7121. a guide bar; 713. an elastic member.

Detailed Description

The present application is described in further detail below with reference to figures 2-6.

The embodiment of the application discloses riveting machine convenient to clamping work piece. Referring to fig. 2, the riveting machine convenient for clamping workpieces comprises a frame 1, a hydraulic cylinder 2 is fixedly connected to the frame 1, the hydraulic cylinder 2 is arranged in the vertical direction and connected with the frame 1 through bolts, and a piston rod of the hydraulic cylinder 2 can extend out of the hydraulic cylinder 2 downwards. The end wall of the piston rod of the hydraulic cylinder 2 is fixedly welded with a pressure head 21, and the pressure head 21 can slide along the piston rod in the up-down direction.

Referring to fig. 2 and 3, the frame 1 is fixedly connected with a receiving column 11 through a bolt, the receiving column 11 is located right below the pressure head 21, the upper end wall of the receiving column 11 is provided with a pin hole 111 along the length direction, and the pin hole 111 is a blind hole.

Referring to fig. 2 and 3, the frame 1 is connected to a mounting plate 6 through bolts, and the mounting plate 6 is provided with a yielding hole 61 for the receiving column 11 to penetrate through. The upper surface of the mounting plate 6 is provided with a moving plate 62 and a plurality of supporting blocks 63, the upper surface of the moving plate 62 is provided with a limiting block 621, and the limiting block 621 is a rectangular block. The upper surface of the limiting block 621 is provided with a limiting groove 6211 along the vertical direction.

Referring to fig. 4, when the workpiece 4 is mounted, one corner of the workpiece 4 is placed in the limiting groove 6211, and the two adjacent side walls of the workpiece 4 are respectively attached to the side walls of the limiting groove 6211, so that the workpiece 4 is positioned.

Referring to fig. 4, the mounting plate 6 has a plurality of mounting holes 64 penetrating along the thickness direction, the mounting holes 64 are round holes, the lower surface of the supporting block 63 is integrally formed with mounting protrusions 631, the mounting protrusions 631 can be in plug-in fit with the mounting holes 64, and the supporting block 63 and the mounting plate 6 can be detachably connected. When the workpiece 4 is clamped, a plurality of supporting blocks 63 are installed according to the size of the workpiece 4 to support the workpiece 4. After the supporting block 63 and the mounting plate 6 are installed and fixed, the upper end wall of the supporting block 63 is flush with the upper end wall of the receiving column 11, so that the workpiece 4 is kept horizontal during clamping, and the fixing hole 41 is conveniently aligned with the pin hole 111.

Referring to fig. 2 and 4, a first sliding groove 65 is formed in one side of the upper surface of the mounting plate 6 in the length direction of the mounting plate 6, and the first sliding groove 65 is formed in the width direction of the mounting plate 6. A slide block 651 is connected in the first sliding groove 65 in a sliding manner, the first sliding groove 65 is a dovetail groove, and the slide block 651 is a dovetail block. The slider 651 is threadedly connected with a fixing screw 6512, and the fixing screw 6512 can penetrate through the slider 651 and abut against the bottom wall of the first sliding groove 65 to fix the slider 651.

Referring to fig. 4 and 5, a fixing block 6511 is integrally formed on the upper surface of the slider 651, and the fixing block 6511 is a rectangular block. The lower surface of the moving plate 62 is provided with a fixing groove 622 matched with the fixing block 6511, and the fixing grooves 622 are provided with a plurality of grooves along the length direction of the moving plate 62. The moving plate 62 is inserted into and matched with the fixing groove 622 through the fixing block 6511, so that the moving plate 62 slides and is fixed along with the slider 651 along the width direction of the mounting plate 6. After the moving plate 62 is fixed to the slider 651, the lower surface of the moving plate 62 is attached to the upper surface of the mounting plate 6, and the mounting plate 6 supports the moving plate 62, so that the moving plate 62 slides more stably.

Referring to fig. 4 and 5, a second sliding groove 623 is formed on the upper surface of the moving plate 62 along the longitudinal direction of the mounting plate 6. The second sliding groove 623 is a rectangular groove, the limiting block 621 is located in the second sliding groove 623 and connected with the second sliding groove 623 in a sliding manner, and the second sliding groove 623 is also connected with the abutting block 7 in a sliding manner.

Referring to fig. 4 and 5, a tightening cylinder 71 is connected to the upper surface of the tightening block 7 through a screw. The sliding direction of the piston rod of the abutting cylinder 71 is the same as the length direction of the moving plate 62. The end wall of the piston rod of the abutting cylinder 71 is fixedly welded with a connecting plate 711. The side wall of the connecting plate 711 facing away from the cylinder is connected with a tightening plate 712.

Referring to fig. 5 and 6, two cylindrical guide rods 7121 are welded and fixed on the side wall of the tightening plate 712 facing the tightening cylinder 71, two guide holes matched with the guide rods 7121 are formed in the connecting plate 711, and the guide rods 7121 are in sliding fit with the guide holes. An elastic part 713 is arranged between the abutting plate 712 and the connecting plate 711, the elastic part 713 is a spring, the number of the springs is two, the two springs are respectively sleeved on the outer side wall of the guide rod 7121, and two ends of the spring are respectively welded and fixed with the abutting plate 712 and the connecting plate 711.

Referring to fig. 5 and 6, when the workpiece 4 is clamped, one corner of the workpiece 4 is placed in the limit groove 6211, and a force is applied to the workpiece 4 by hand, so that the two side walls of the workpiece 4 are respectively attached to the side walls of the limit groove 6211. Under the state that the piston rod of the abutting cylinder 71 extends out, the abutting block 7 is moved to enable the side wall of the abutting plate 712 to be just abutted against the side wall of the workpiece 4, then the abutting block 7 is continuously moved for a certain distance towards the direction of the workpiece 4, the elastic piece 713 is compressed under stress, the workpiece 4 is slightly stressed, and the stability of fixing the workpiece 4 is improved.

Referring to fig. 5 and 6, a magnetic member 6231 is adhesively fixed to the bottom wall of the second sliding groove 623, and an absorbing member 6212 is adhesively fixed to the lower surfaces of the stopper 621 and the abutting block 7. The magnetic member 6231 is a magnet, the adsorbing member 6212 is an iron sheet, and the adsorbing member 6212 and the magnetic member 6231 are magnetically attracted to fix the stopper 621 and the fastening block 7.

Referring to fig. 2 and 4, the receiving column 11 is sleeved with a receiving sleeve 112, and an operating rod 1121 is welded and fixed to a side wall of the receiving sleeve 112 at a position close to the lower part of the receiving sleeve 112. After the workpiece 4 is machined, the piston rod of the abutting air cylinder 71 contracts, an operator lifts the operating rod 1121 upwards to drive the receiving sleeve 112 to support the workpiece 4, so that the pin 5 is separated from the pin hole 111, the workpiece 4 is disassembled, the operation is convenient, and the workpiece 4 is not easy to deform.

The implementation principle of the riveting machine convenient for installing the workpiece in the embodiment of the application is as follows:

when the batch workpieces 4 are machined, firstly, the supporting block 63 is installed on the installation plate 6 according to the size of the workpieces 4 and the position of the fixing hole 41 on the workpieces 4, and then the workpieces 4 are placed on the supporting block 63 and the bearing column 11, and the fixing hole 41 is aligned with the pin hole 111; the moving plate 62 and the limiting block 621 are respectively slid to enable one corner of the workpiece 4 to be located in the limiting groove 6211, two adjacent side walls of the workpiece 4 are kept to be attached to the side wall of the limiting groove 6211, the moving plate 62 and the limiting block 621 are respectively fixed, namely, the workpiece 4 is located, and then the abutting block 7 is moved to enable the abutting plate 712 to abut against the side wall of the workpiece 4 in a state that the piston rod of the abutting cylinder 71 extends out.

The control switch 3 is stepped on, the piston rod of the hydraulic cylinder 2 drives the press head 21 to press down, and the pin 5 and the workpiece 4 are fixed. The control switch 3 is released and the ram 21 moves upward. An operator lifts the operating rod 1121 with a hand to drive the receiving sleeve 112 to lift the workpiece 4, so that the workpiece 4 is detached.

The moving plate 62, the limiting block 621 and the abutting block 7 are only required to be adjusted once for the workpieces 4 of the same batch, when the other workpieces 4 of the batch are machined and clamped, the workpieces 4 are directly placed on the supporting block 63, one corner corresponding to the workpiece 4 is located in the limiting groove 6211, then the abutting cylinder 71 is started, the fixed hole 41 and the pin hole 111 can be aligned quickly, the workpieces 4 are clamped, the clamping efficiency of the workpieces 4 is improved, and the machining efficiency is further improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A riveting machine convenient for clamping a workpiece comprises a rack (1) and a pressure head (21) arranged on the rack (1) and used for riveting a pin (5), wherein a bearing column (11) is arranged on the rack (1) and is positioned right below the pressure head (21); the method is characterized in that: the rack (1) is provided with a mounting plate (6), and the mounting plate (6) is provided with a abdicating hole (61) for the bearing column (11) to penetrate through; a moving plate (62) and a plurality of supporting blocks (63) are arranged on the upper surface of the mounting plate (6), and the upper end walls of all the supporting blocks (63) are flush with the upper end wall of the bearing column (11); the moving plate (62) is connected with the mounting plate (6) in a sliding manner along the width direction of the mounting plate (6); the upper surface of the moving plate (62) is provided with a limiting block (621); a limiting groove (6211) for placing one corner of the workpiece (4) is formed in the upper surface of the limiting block (621) along the vertical direction; the limiting block (621) is magnetically connected with the moving plate (62).

2. The riveting press convenient for clamping workpieces according to claim 1, characterized in that: a first sliding groove (65) is formed in the upper surface of the mounting plate (6) along the width direction of the mounting plate (6), a sliding block (651) is connected to the first sliding groove (65) in a sliding mode, a fixing block (6511) is arranged on the upper surface of the sliding block (651), and a fixing groove (622) which is matched with the fixing block (6511) in an inserting mode is formed in the lower surface of the moving plate (62); the sliding block (651) is in threaded connection with a fixing screw (6512) which can be abutted against the bottom wall of the first sliding groove (65) to fix the sliding block (651).

3. The riveting press convenient for clamping workpieces according to claim 2, characterized in that: the upper surface of the moving plate (62) is provided with a second sliding groove (623) for the limiting block (621) to slide along the length direction of the mounting plate (6), the bottom wall of the second sliding groove (623) is fixedly connected with a magnetic part (6231), and the lower surface of the limiting block (621) is provided with an adsorption part (6212) which is magnetically attracted with the magnetic part (6231).

4. The riveting press convenient for clamping workpieces according to claim 3, characterized in that: and a propping block (7) is arranged in the second sliding groove (623), a propping cylinder (71) is fixedly connected to the upper surface of the propping block (7), and a propping plate (712) capable of propping against the side wall of the workpiece (4) is arranged on the end wall of the piston rod of the propping cylinder (71).

5. The riveting press convenient for clamping workpieces according to claim 4, characterized in that: the end wall of the piston rod of the abutting cylinder (71) is fixedly connected with a connecting plate (711), the side wall of the abutting plate (712) facing the abutting cylinder (71) is provided with a guide rod (7121) connected with the connecting plate (711) in a sliding mode, and an elastic part (713) is arranged between the abutting plate (712) and the connecting plate (711).

6. The riveting press convenient for clamping workpieces according to any one of claims 2-5, characterized in that: the fixed grooves (622) are formed in a plurality along the length direction of the moving plate (62).

7. The riveting press convenient for clamping workpieces according to claim 1, characterized in that: the mounting plate (6) is provided with a plurality of mounting holes (64) along the thickness direction of the mounting plate, and the lower end wall of the supporting block (63) is provided with a mounting protrusion (631) which can be in plug-in fit with the mounting holes (64).

8. The riveting press convenient for clamping workpieces according to claim 1, characterized in that: the bearing column (11) is sleeved with a bearing sleeve (112) used for disassembling the workpiece (4), and the side wall of the bearing sleeve (112) is fixedly connected with an operating rod (1121).