Novel riveting die

Abstract

A novel riveting die comprises an upper die part and a lower die part used for containing a workpiece, door bodies which are mutually opened and closed are arranged on the left side and the right side of the front side of the lower die part, induction devices corresponding to the door bodies are arranged on the lower die part, and the door bodies act on the induction devices when being mutually closed; the sensing device comprises a support and a sensing part installed on the support, the support is fixed to the lower die part, an acting piece is arranged on one side of each door body, and when the door bodies are closed mutually, the acting pieces act on the sensing parts; and the sensing part is an infrared sensor. According to the riveting die, the sensing devices corresponding to the door bodies are arranged on the lower die part, when the door bodies are mutually closed, the sensing devices detect that the door bodies are closed, then the upper die part can carry out the downward pressing action, and if an operator forgets to close the door bodies and the sensing devices do not detect the door bodies, the upper die part cannot carry out the downward pressing action; therefore, the upper die part can be prevented from colliding with the positioning device to damage the die when being pressed downwards, the service life of the die is prolonged, and the use safety is improved.

Description

Technical Field

[0001] This utility model relates to the field of mold technology, and in particular to a novel riveting mold. Background Technology

[0002] The cabinet of a traditional microwave oven or oven consists of a shell and a front panel. The shell and the front panel are riveted together using a riveting die. During riveting, a positioning device is needed to position the shell. The riveting die consists of an upper die and a lower die. The lower die has doors on the left and right sides of its front that open and close. The positioning device is located on the lower die and the doors respectively. Before riveting the product, the doors need to be closed. However, in actual production, operators often forget to close the doors. If the doors are not closed when riveting the product, the upper die will hit the positioning device when it is pressed down, causing damage to the die.

[0003] Therefore, further improvements are necessary. Utility Model Content

[0004] The purpose of this utility model is to provide a new type of riveting mold that is simple in structure, safe and reliable, has high production efficiency, good product quality, and strong practicality, so as to overcome the shortcomings of the existing technology.

[0005] A novel riveting mold designed for this purpose includes an upper mold part and a lower mold part for placing the workpiece. The lower mold part has doors that open and close to each other on the left and right sides of its front side. The characteristic is that the lower mold part is provided with a sensing device corresponding to the door, and the door acts on the sensing device when it closes to each other.

[0006] The sensing device includes a bracket and a sensing component mounted on the bracket. The bracket is fixed to the lower mold part, and an action element is provided on one side of the door. When the door is closed, the action element acts on the sensing component.

[0007] The sensing component is an infrared sensor.

[0008] The lower mold section is equipped with a driver, which drives the door body to move left and right, so as to realize the opening and closing of the door body.

[0009] The lower mold section is provided with a sliding groove, and the bottom of the door is provided with a slider. The door is mounted on the sliding groove by sliding left and right through the slider.

[0010] Positioning devices are provided on the lower mold and the door body respectively. The positioning devices include a slidably arranged positioning block and a push block on the upper mold. A pushing part is provided between the push block and the positioning block. When the workpiece is riveted, the upper mold drives the push block to move downward. The push block acts on the positioning block through the pushing part, so that the positioning block moves towards the workpiece and presses on the workpiece, thereby positioning the workpiece.

[0011] The positioning device further comprises a fixed plate, a movable column and an elastic member, the movable column is connected with the positioning block, the movable column movably penetrates the fixed plate, and the elastic member is arranged between the fixed plate and the movable column; after the workpiece is riveted, the upper die part drives the push block to move upward, and the positioning block moves to reset in the direction away from the workpiece under the elastic force of the elastic member.

[0012] The pushing part comprises a first guide inclined surface arranged on the push block and a second guide inclined surface arranged on the positioning block, and the push block moves downward to push the positioning block to move in the direction of the workpiece through cooperation of the first guide inclined surface and the second guide inclined surface.

[0013] The lower die part and the door body are respectively provided with sliding rails, the bottom of the positioning block is provided with a guide groove, and the positioning block is slidably arranged on the sliding rails through the guide groove.

[0014] The positioning device is provided with an empty avoiding position, and the push block is inserted into the empty avoiding position when the push block moves downward after the door bodies are closed.

[0015] The riveting die of the utility model sets the corresponding sensing device on the lower die part, the sensing device detects the door body closing when the door bodies are closed, and the upper die part can only perform the downward pressing action at the moment, if the operator forgets to close the door, the sensing device does not detect the door body, and the upper die part will not perform the downward pressing action, so that the upper die part can be prevented from colliding with the positioning device when the upper die part is pressed downward to cause the die damage, the die service life and the safety in use are improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is partial structure schematic view of riveting die in an embodiment of the utility model.

[0017] Figure 2 It is overall structure schematic view of riveting die in an embodiment of the utility model.

[0018] Figure 3 It is sectional view of riveting die in an embodiment of the utility model.

[0019] Figure 4 It is Figure 3 It is enlarged structure schematic view of A in the middle.

[0020] Figure 5 It is Figure 3 It is enlarged structure schematic view of B in the middle.

[0021] Figure 6 It is overall structure schematic view of upper die part in an embodiment of the utility model.

[0022] Figure 7 It is exploded structure schematic view of door body, positioning device and driver in an embodiment of the utility model.

[0023] Figure 8 It is the overall structure schematic view of the induction device in one embodiment of the utility model.

[0024] Figure 9 It is the overall structure schematic view of the door body, the positioning device and the driver in one embodiment of the utility model.

[0025] Figure 10 It is the exploded structure schematic view of the riveting die in one embodiment of the utility model.

[0026] Figure 11 It is the exploded structure schematic view of the box body in one embodiment of the utility model. DETAILED DESCRIPTION

[0027] The utility model will be further described in connection with the drawings and embodiments.

[0028] Referring to Figures 1-11 The utility model riveting die, including upper die part 1 and the lower die part 2 for placing workpiece, the lower die part 2 front side left and right is provided with the door body 3 that each other opens and shuts, the lower die part 2 bottom is provided with the induction device 4 corresponding with door body 3, when door body 3 each other closes, acts on induction device 4.

[0029] Induction device 4 includes support 5 and installs induction component 6 on support 5, support 5 is fixed on the lower die part 2 by screw, and one side of door body 3 is provided with acting piece 7, when door body 3 each other closes, acting piece 7 acts on induction component 6, to make induction component 6 detect door body 3 closed;Induction component 6 is electrically connected the control part (that is control circuit board) of riveting equipment, after induction component 6 detects door body 3 closed, signal is sent to control part, then control part will control power part to drive upper die part 1 to carry out the down pressure action, when door body 3 each other opens, induction component 6 does not detect door body 3, and control part will not control power part to drive upper die part 1 to carry out the down pressure action.

[0030] Induction component 6 is electronic infrared inductor.

[0031] The lower die part 2 is provided with driver 8, and driver 8 drives and connects door body 3, and driver 8 drives door body 3 to move left and right, to realize the each other of door body 3 open and shut, and driver 8 is air cylinder.

[0032] The lower die part 2 bottom is provided with sliding groove 9, and the door body 3 bottom is provided with sliding block 10, and the door body 3 is provided on the sliding groove 9 by the sliding block 10 left and right sliding.

[0033] The lower die part 2 and the door body 3 top are respectively provided with positioning devices 11, the positioning devices 11 include positioning blocks 12 which are slidingly arranged, the upper die part 1 bottom is provided with a push block 13, and the push block 13 and the positioning block 12 are provided with a pushing part; when the workpiece is riveted, the upper die part 1 drives the push block 13 to move downwards, the push block 13 acts on the positioning block 12 through the pushing part, so that the positioning block 12 moves to the direction of the workpiece and is pressed on the workpiece, and then the workpiece is positioned; the positioning devices 11 are respectively arranged on the front, rear, left and right four sides of the workpiece, the positioning devices 11 on the door body 3 are located on the front side of the workpiece, and the positioning devices 11 on the lower die part 2 are respectively located on the left and right sides and the rear side of the workpiece.

[0034] The positioning device 11 further includes a fixed plate 14, a movable column 15 and an elastic member 16, the movable column 15 is connected with the positioning block 12, the movable column 15 is movably arranged on the fixed plate 14, the fixed plate 14 is fixed on the lower die part 2 or the door body 3, and the elastic member 16 is arranged between the fixed plate 14 and the movable column 15, and the elastic member 16 is a spring; after the workpiece is riveted, the upper die part 1 drives the push block 13 to move upwards, and the positioning block 12 moves to the direction away from the workpiece under the elastic force of the elastic member 16 and resets.

[0035] The positioning block 12 is provided with a first fixing hole 22, the movable column 15 is provided with a second fixing hole 23, and a fastener 24 is fastened and connected with the first fixing hole 22 after penetrating through the second fixing hole 23, so as to connect the movable column 15 and the positioning block 12.

[0036] The pushing part includes a first guide inclined surface 17 arranged on the push block 13 and a second guide inclined surface 18 arranged on the positioning block 12, and when the push block 13 moves downwards, the positioning block 12 is pushed to move to the direction of the workpiece through the cooperation of the first guide inclined surface 17 and the second guide inclined surface 18.

[0037] The lower die part 2 and the door body 3 are respectively provided with sliding rails 19, and the positioning block 12 bottom is provided with a guide groove 20, and the positioning block 12 is slidingly arranged on the sliding rail 19 through the guide groove 20.

[0038] The positioning device 11 is provided with an empty position 21, and when the push block 13 moves downwards after the door bodies 3 are closed, the push block 13 is inserted into the empty position 21; after the door bodies 3 are closed, the push block 13 of the positioning device 11 arranged on the door body 3 just faces the empty position 21, and the empty position 21 can prevent the push block 13 from moving downwards (i.e. when the upper die part 1 performs the downward pressing action) and colliding with the positioning device 11 to cause damage to the mold, and if the door bodies 3 are opened, the push block 13 will collide with the positioning device 11 when moving downwards; the empty position 21 is located between the positioning block 12, the fixed plate 14 and the movable column 15.

[0039] The workpiece is a box body 25 of a microwave oven or oven, the box body 25 comprises a shell 26 and a front side plate 27, the shell 26 is provided with a flange 30 at the front side of the four sides respectively, the flange 30 is provided with a first riveting edge 28, the front side plate 27 is provided with a second riveting edge 29 at the rear side of the four sides respectively, when the shell 26 and the front side plate 27 are riveted, the front side plate 27 is located at the upper side of the shell 26, the first riveting edge 28 is stretched to the upper side of the front side plate 27 after passing through the through hole of the front side plate 27, the second riveting edge 29 is stretched to the lower side of the flange 30 after passing through the through hole of the flange 30, the rear side of the flange 30 is provided with a plurality of convex points 31, the inner side of the second riveting edge 29 is provided with a plurality of recesses 32, and the bottom of the upper die part 1 is provided with a pressing plate 33; when the shell 26 and the front side plate 27 are riveted, the positioning block 12 is pressed on the outer side of the shell 26 to position the shell 26, the pressing plate 33 is pressed downward under the action of the upper die part 1, the pressing plate 33 is pressed on the first riveting edge 28 to make the first riveting edge 28 turn downward, the second riveting edge 29 is turned upward under the extrusion of the positioning block 12, and then the flange 30 is pressed between the first riveting edge 28 and the second riveting edge 29, and the convex point 31 is inserted into the recess 32, and then the riveting of the shell 26 and the front side plate 27 is completed.

[0040] The middle of the lower die part 2 is provided with a mounting cavity 34 for placing the shell 26, and the bottom of the pressing plate 33 is provided with a positioning plate 35; when the pressing plate 33 is pressed downward under the action of the upper die part 1, the positioning plate 35 is inserted into the shell 26 to support the shell 26, so that the shell 26 is prevented from being deformed under the pressure of the positioning block 12.

[0041] The above is the preferred scheme of the utility model, and the basic principle, main features and advantages of the utility model are displayed and described. Those skilled in the art should understand that the utility model is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only for illustrating the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A new riveting die, comprising an upper die part (1) and a lower die part (2) for placing a workpiece, the lower die part (2) being provided with door bodies (3) which are opened and closed with respect to each other on the front side, characterized in that: The lower mold part (2) is provided with an inductive device (4) corresponding to the door body (3), and the door body (3) acts on the inductive device (4) when the door body (3) is closed.

2. The novel riveting die as claimed in claim 1, wherein: The inductive device (4) comprises a bracket (5) and an inductive component (6) mounted on the bracket (5), the bracket (5) is fixed on the lower mold part (2), and the door body (3) is provided with an acting element (7) on one side, and the acting element (7) acts on the inductive component (6) when the door body (3) is closed.

3. The novel riveting die as claimed in claim 2, wherein: The inductive component (6) is an infrared inductor.

4. The novel riveting die as claimed in claim 1, wherein: The lower mold part (2) is provided with a driver (8) drivingly connected to the door body (3), and the driver (8) drives the door body (3) to move leftward and rightward to realize the mutual opening and closing of the door body (3).

5. The novel riveting die as claimed in claim 4, wherein: The lower mold part (2) is provided with a sliding groove (9), and the door body (3) is provided with a sliding block (10) at the bottom, and the door body (3) is arranged on the sliding groove (9) through the sliding block (10) sliding leftward and rightward.

6. The novel riveting die as claimed in claim 1, wherein: The lower mold part (2) and the door body (3) are respectively provided with a positioning device (11), the positioning device (11) comprises a positioning block (12) slidingly arranged, the upper mold part (1) is provided with a push block (13), and a pushing part is arranged between the push block (13) and the positioning block (12); when the workpiece is riveted, the upper mold part (1) drives the push block (13) to move downward, the push block (13) acts on the positioning block (12) through the pushing part, so that the positioning block (12) moves to the direction of the workpiece and is pressed on the workpiece, and then the workpiece is positioned.

7. The novel riveting die according to claim 6, characterized in that: The positioning device (11) further comprises a fixed plate (14), a movable column (15) and an elastic element (16), the movable column (15) is connected with the positioning block (12), the movable column (15) is movably arranged on the fixed plate (14), and the elastic element (16) is arranged between the fixed plate (14) and the movable column (15); after the workpiece is riveted, the upper mold part (1) drives the push block (13) to move upward, and the positioning block (12) moves to the direction away from the workpiece under the elastic force of the elastic element (16) and resets.

8. The novel riveting die as claimed in claim 6, wherein: The pushing part comprises a first guide inclined surface (17) arranged on the push block (13) and a second guide inclined surface (18) arranged on the positioning block (12), and the push block (13) moves downward and pushes the positioning block (12) to move to the direction of the workpiece through the cooperation of the first guide inclined surface (17) and the second guide inclined surface (18).

9. The novel riveting die as claimed in claim 6, wherein: The lower mold part (2) and the door body (3) are respectively provided with a sliding rail (19), and the positioning block (12) is provided with a guide groove (20) at the bottom, and the positioning block (12) is slidingly arranged on the sliding rail (19) through the guide groove (20).

10. The novel riveting die as claimed in claim 6, wherein: The positioning device (11) is provided with an empty space (21), and the push block (13) is inserted into the empty space (21) when the door body (3) is closed and the push block (13) moves downward.

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