Automatic punching mechanism for edge part of motor bending frame of centrifugal fan

Abstract

The utility model discloses an automatic punching mechanism for the edge part of a motor bending frame of a centrifugal fan, which comprises a rack, a horizontal fixing plate is fixed on the top surface of a top plate of the rack, a trapezoidal seat is fixed on the top surface of the middle part of the horizontal fixing plate, and a trapezoidal motor bending block to be processed is inserted and sleeved on the trapezoidal seat; an upper supporting frame is fixed to the top face of a top plate of the rack, a pressing oil cylinder is fixed to the middle of the top face of the top plate of the upper supporting frame, a push rod of the pressing oil cylinder penetrates through the bottom face of the top plate of the upper supporting frame and is fixedly provided with a lifting block, and a lower inserting groove is formed in the middle of the bottom face of the lifting block. The top face of the lower inserting groove abuts against the top face of the trapezoidal motor bending block, and the inner side wall of the lower inserting groove is tightly attached to the outer side wall of the trapezoidal motor bending block. The punching device can automatically clamp and fix the trapezoidal motor bending block and automatically punch the trapezoidal motor bending block, and is good in effect, high in efficiency and good in safety.

Description

TECHNICAL FIELD

[0001] The utility model relates to a fan equipment technical field more specifically relates to a centrifugal fan's motor bending frame edge part automatic punching mechanism. BACKGROUND

[0002] In the existing centrifugal fan, the motor frame is generally fixed on the bottom frame, and the motor frame is generally a trapezoidal frame body, which is welded by a trapezoidal bending plate and two end plates, and the bottom of the trapezoidal bending plate is formed with a bending connecting edge. A connecting through hole needs to be processed on the bending connecting plate. The existing processing method is to manually move the part to be punched to the punch press and manually support the punching. This method has poor effect, low efficiency and safety hazards. SUMMARY

[0003] The utility model discloses a centrifugal fan's motor bending frame edge part automatic punching mechanism, which can automatically clamp and fix the trapezoidal motor bending block and automatically punch holes, has good effect, high efficiency and good safety.

[0004] The utility model discloses a centrifugal fan's motor bending frame edge part automatic punching mechanism, which can automatically clamp and fix the trapezoidal motor bending block and automatically punch holes, has good effect, high efficiency and good safety.

[0005] A centrifugal fan's motor bending frame edge part automatic punching mechanism, comprising a rack, a horizontal fixed plate is fixed on the top surface of the top plate of the rack, a trapezoidal seat is fixed on the top surface of the middle part of the horizontal fixed plate, and a trapezoidal motor bending block to be processed is inserted into the trapezoidal seat.

[0006] A upper support frame is fixed on the top surface of the top plate of the rack, a pressing cylinder is fixed on the top surface of the top plate of the upper support frame, the push rod of the pressing cylinder penetrates through the bottom surface of the top plate of the upper support frame and is fixed with a lifting block, a lower insertion slot is formed in the bottom surface of the lifting block, the upper part of the trapezoidal motor bending block is inserted into the lower insertion slot, the top surface of the lower insertion slot is pressed against the top surface of the trapezoidal motor bending block, and the inner side wall of the lower insertion slot is tightly attached to the outer side wall of the trapezoidal motor bending block.

[0007] A horizontal plate is fixed on the lower inner side wall of the side plate of the upper support frame, a punching cylinder is fixed on the top surface of the horizontal plate, the push rod of the punching cylinder penetrates through the bottom surface of the horizontal plate and is fixed with a punching head, the punching head is opposite to the bottom bending edge of the trapezoidal motor bending block, and the bottom surface of the bottom bending edge is pressed against the top surface of the horizontal fixed plate.

[0008] The horizontal fixed plate is below the punching head and has a lower through hole;

[0009] The top plate of the rack below the lower through hole has a discharge through hole, and the discharge through hole is aligned with and communicates with the corresponding lower through hole.

[0010] The inner side wall and the top surface of the lower slot are fixed with wear-resistant and anti-skid plates which are pressed against the top surface or the side wall of the trapezoidal motor bending block.

[0011] The top surface of the lifting block is fixed with a plurality of vertical guide rods which are inserted into vertical through holes in the top plate of the upper support frame.

[0012] The top surface of the transverse plate is fixed with an upper inclined reinforcing plate, and the side wall of the upper inclined reinforcing plate is fixed on the corresponding side plate of the upper support frame.

[0013] The left side and the right side of the top surface of the horizontal fixed plate are fixed with vertical adjusting studs, the edge compression plate is inserted on the corresponding vertical adjusting stud, two locking nuts are screwed on the vertical adjusting stud, the edge compression plate is clamped between the two locking nuts, and the edge compression plate is pressed against the edge top surface of the corresponding bottom bending edge.

[0014] The top plate of the rack is fixed with lower support legs at four corners, the rear two lower support legs are fixed with a rear transverse beam, the front and rear corresponding two lower support legs are fixed with side beams, the front wall surface of the rear transverse beam is fixed with two limiting beams, the front end side wall of the two limiting beams is fixed with a connecting beam, and the outer end of the connecting beam is fixed on the inner side wall of the corresponding lower support leg of the front part of the rack top plate.

[0015] The lower receiving frame is above the two limiting beams and faces all the discharge through holes.

[0016] The bottom of the lower receiving frame is fixed with a lower trolley frame, and the lower trolley frame is between the two limiting beams.

[0017] The protruding effect of the utility model is that, compared with the prior art, the trapezoidal motor bending block can be automatically clamped and fixed, and punching is automatically performed, the effect is good, the efficiency is high, and the safety is good. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a partial sectional view of the utility model;

[0019] Figure 2 is Figure 1 a partial enlarged view;

[0020] Figure 3 is a partial sectional view of the lower part of the rack of the utility model. DETAILED DESCRIPTION

[0021] In an embodiment, as shown in the accompanying drawings, Figures 1 to 3 a motor bending frame edge automatic punching mechanism of a centrifugal fan, comprising a rack 10, the top surface of the top plate of the rack 10 is fixed with a horizontal fixed plate 11, the middle part of the top surface of the horizontal fixed plate 11 is fixed with a trapezoidal seat 12, and the trapezoidal motor bending block 100 to be processed is inserted on the trapezoidal seat 12.

[0022] The top surface of the top plate of the rack 10 is fixed with an upper support frame 20, the top surface of the top plate of the upper support frame 20 is fixed with a pressing oil cylinder 21, the push rod of the pressing oil cylinder 21 penetrates through the bottom surface of the top plate of the upper support frame 20 and is fixed with a lifting block 22, the bottom surface of the lifting block 22 is formed with a lower insertion slot 221, the upper part of the trapezoidal motor bending block 100 is inserted into the lower insertion slot 221, the top surface of the lower insertion slot 221 is pressed against the top surface of the trapezoidal motor bending block 100, and the inner side wall of the lower insertion slot 221 is tightly attached to the outer side wall of the trapezoidal motor bending block 100.

[0023] The lower inner side wall of the side plate of the upper support frame 20 is fixed with a transverse plate 23, the top surface of the transverse plate 23 is fixed with a punching oil cylinder 24, the push rod of the punching oil cylinder 24 penetrates through the bottom surface of the transverse plate 23 and is fixed with a punching head 25, and the punching head 25 is opposite to the bottom bending edge 101 of the trapezoidal motor bending block 100, and the bottom surface of the bottom bending edge 101 is pressed against the top surface of the horizontal fixed plate 11.

[0024] Further, the horizontal fixed plate 11 has a lower through hole 111 directly below the punching head 25;

[0025] The top plate of the rack 10 directly below the lower through hole 111 has a discharging through hole 13, and the discharging through hole 13 is aligned with and communicates with the corresponding lower through hole 111.

[0026] Further, the inner side wall and the top surface of the lower insertion slot 221 are both fixed with wear-resistant anti-skid plates 222, and the wear-resistant anti-skid plates 222 are pressed against the top surface or the side wall of the trapezoidal motor bending block 100.

[0027] Further, the top surface of the lifting block 22 is fixed with a plurality of vertical guide rods 1, and the vertical guide rods 1 are inserted into the vertical through holes in the top plate of the upper support frame 20.

[0028] Further, the top surface of the transverse plate 23 is fixed with an upper inclined reinforcing plate 231, and the side wall of the upper inclined reinforcing plate 231 is fixed on the corresponding side plate of the upper support frame 20.

[0029] Further, the top surface of the horizontal fixed plate 11 is fixed with vertical adjusting studs 2 on the left side and the right side, the side pressing plate 3 is inserted into the corresponding vertical adjusting stud 2, two locking nuts 4 are screwed on the vertical adjusting stud 2, the side pressing plate 3 is clamped between the two locking nuts 4, the bottom surface of the side pressing plate 3 is fixed with elastic anti-skid fixing blocks 5, and the elastic anti-skid fixing blocks 5 are pressed against the side top surface of the corresponding bottom bending edge 101.

[0030] Further, the bottom of the top plate of the rack 10 is fixed with four lower legs 14 at the four corners, two lower legs 14 at the back are fixed with a rear transverse beam 15, and the corresponding two lower legs 14 at the front and back are fixed with a side beam 16, the front wall of the rear transverse beam 15 is fixed with two limiting beams 17, the front end side wall of the two limiting beams 17 is fixed with a connecting beam 18, and the outer end of the connecting beam 18 is fixed on the inner side wall of the corresponding lower leg 14 at the front of the top plate of the rack 10.

[0031] The lower receiving frame 30 is above the two limiting beams 17 and faces all the discharge holes 13.

[0032] The bottom of the lower receiving frame 30 is fixed with a lower trolley frame 31, and the lower trolley frame 31 is between the two limiting beams 17.

[0033] In this embodiment, when in use, first, the processed trapezoidal motor bending block 100 is inserted into the trapezoidal seat 12, then the push rod of the pressing oil cylinder 21 is pushed to make the upper part of the trapezoidal motor bending block 100 inserted into the lower insertion groove 221, the wear-resistant anti-skid plate 222 is pressed against the top surface or side wall of the trapezoidal motor bending block 100, at the same time, all the locking nuts 34 are rotated to make the elastic anti-skid fixing blocks 5 pressed against the edge top surface of the corresponding bottom bending edge 101, and then the push rod of the punching oil cylinder 24 is pushed to make the punching head 25 quickly descend, and the corresponding part of the bottom bending edge 101 is punched, and the waste punched out falls into the lower receiving frame 30.

[0034] After one time is completed, the locking nut 4 at the upper part of the vertical adjusting stud 2 is loosened, the elastic anti-skid fixing blocks 5 are no longer pressed against the edge of the bottom bending edge 101, then the push rod of the pressing oil cylinder 21 is reset, the trapezoidal motor bending block 100 is moved again, the other part of the bottom bending edge 101 is located directly below the punching head 25, then the locking nut 4 at the upper part is tightened again to make the elastic anti-skid fixing blocks 5 pressed against the edge of the bottom bending edge 101, and then the bottom bending edge 101 is punched again in the same way as described above, so that two punching holes of one bottom bending edge 101 are realized, which is very convenient, has good effect, high efficiency, and does not need manual support, so that the safety is high.

[0035] When the lower receiving frame 30 collects enough waste, it can be removed for pouring, which is very convenient.

[0036] Finally, the above embodiments are only used to illustrate the present application, but not to limit the present application, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present application, therefore, all equivalent technical solutions also belong to the scope of the present application, and the patent protection scope of the present application should be defined by the claims.

Claims

1. An automatic punching mechanism for the edge of a motor bending frame of a centrifugal fan, comprising a frame (10), characterized in that: A horizontal fixing plate (11) is fixed on the top surface of the top plate of the frame (10), and a trapezoidal seat (12) is fixed on the top surface of the middle part of the horizontal fixing plate (11). The trapezoidal motor bending block (100) to be processed is inserted into the trapezoidal seat (12). An upper support frame (20) is fixed on the top surface of the top plate of the frame (10). A pressing cylinder (21) is fixed in the middle of the top surface of the top plate of the upper support frame (20). The push rod of the pressing cylinder (21) passes through the bottom surface of the top plate of the upper support frame (20) and is fixed with a lifting block (22). A lower slot (221) is formed in the middle of the bottom surface of the lifting block (22). The upper part of the trapezoidal motor bending block (100) is inserted into the lower slot (221). The top surface of the lower slot (221) presses against the top surface of the trapezoidal motor bending block (100). The inner side wall of the lower slot (221) is close to the outer side wall of the trapezoidal motor bending block (100). A transverse plate (23) is fixed on the lower inner side wall of the side plate of the upper support frame (20). A punching cylinder (24) is fixed on the top surface of the transverse plate (23). The push rod of the punching cylinder (24) passes through the bottom surface of the transverse plate (23) and is fixed with a punching head (25). The punching head (25) faces the bottom bending edge (101) of the trapezoidal motor bending block (100). The bottom surface of the bottom bending edge (101) presses against the top surface of the horizontal fixed plate (11).

2. The automatic punching mechanism for the edge of the motor bending frame of a centrifugal fan according to claim 1, characterized in that: The horizontal fixing plate (11) has a lower through hole (111) directly below the punch head (25); The top plate of the frame (10) directly below the lower through hole (111) has a discharge through hole (13), which is vertically aligned with and connected to the corresponding lower through hole (111).

3. The automatic punching mechanism for the edge of the motor bending frame of a centrifugal fan according to claim 1, characterized in that: Wear-resistant anti-slip plates (222) are fixed on the inner sidewall and top surface of the lower slot (221), and the wear-resistant anti-slip plates (222) press against the top surface or sidewall of the trapezoidal motor bending block (100).

4. The automatic punching mechanism for the edge of the motor bending frame of a centrifugal fan according to claim 1, characterized in that: Multiple vertical guide rods (1) are fixed on the top surface of the lifting block (22), and the vertical guide rods (1) are inserted into the vertical through holes on the top plate of the upper support frame (20).

5. The automatic punching mechanism for the edge of the motor bending frame of a centrifugal fan according to claim 1, characterized in that: An upper inclined reinforcing plate (231) is fixed on the top surface of the transverse plate (23), and the side wall of the upper inclined reinforcing plate (231) is fixed on the corresponding side plate of the upper support frame (20).

6. The automatic punching mechanism for the edge of the motor bending frame of a centrifugal fan according to claim 1, characterized in that: Vertical adjusting studs (2) are fixed on the left and right sides of the top surface of the horizontal fixing plate (11). The edge clamping plate (3) is inserted into the corresponding vertical adjusting stud (2). Two locking nuts (4) are screwed onto the vertical adjusting stud (2). The edge clamping plate (3) is clamped between the two locking nuts (4) and presses against the top edge of the corresponding bottom bending edge (101).

7. The automatic punching mechanism for the edge of the motor bending frame of a centrifugal fan according to claim 1, characterized in that: The frame (10) has four lower support legs (14) fixed at the bottom of the top plate. A rear transverse beam (15) is fixed between the two rear lower support legs (14). A side beam (16) is fixed between the two corresponding lower support legs (14). Two limiting beams (17) are fixed on the front wall of the rear transverse beam (15). A connecting beam (18) is fixed on the front side wall of the two limiting beams (17). The outer end of the connecting beam (18) is fixed on the inner side wall of the corresponding lower support leg (14) at the front of the top plate of the frame (10). The lower receiving frame (30) is positioned above the two limiting beams (17) and faces all the discharge through holes (13); The bottom of the lower receiving frame (30) is fixed with a lower pusher frame (31), which is located between two limiting beams (17).

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