CN105013885A - Novel metal plate bending mechanism - Google Patents

Abstract

The invention discloses a novel sheet metal bending mechanism, which comprises a frame, two support plates are fixed on the top of the frame, the two ends of a transverse screw are hinged on the upper parts of the two support plates, and the two ends of a limit rod It is fixed on two support plates, one of which is fixed with a drive motor, and the output shaft of the drive motor is connected with the end of the transverse screw protruding from the support plate through a coupling, and the moving block is screwed into the transverse screw, moving The upper part of the block has a limit block, the limit block is inserted into the limit rod, the bottom of the moving block is fixed with a push oil cylinder, the push rod of the push oil cylinder is vertically downward and the upper pressure block is fixed, and a lift is fixed in the frame. Oil cylinder, the push rod of the lifting cylinder is vertically upward and is fixed with an upper bending block. The upper bending block is inserted into the lifting through hole on the top plate of the frame, and the upper pressing block is on the left side of the upper bending block. It can process small batches of workpieces, with fast processing, simple structure and convenient production.

Description

A new type of sheet metal bending mechanism

Technical field:

The invention relates to the technical field of processing electronic parts and components, and more specifically relates to a novel sheet metal bending mechanism suitable for small-batch processing.

Background technique:

At present, many sheet metal parts in some electronic products or electronic equipment need to be bent, and because the sheet metal parts used in electronic equipment are generally small in size and difficult to bend, they cannot be bent in a large bending machine. Stamping in the form of stamping parts is used in large quantities, and the cost of stamping in small batches is high and unreasonable.

Invention content:

The purpose of the present invention is to provide a new type of sheet metal bending mechanism aimed at the deficiencies of the prior art, which can process small batches of workpieces, and has fast processing, simple structure and convenient manufacture.

Technical solutions of the present invention are as follows:

A new type of sheet metal bending mechanism, including a frame, two support plates are fixed on the top of the frame, the two ends of the transverse screw are hinged on the upper parts of the two support plates, and the two ends of the limit rod are fixed on two On the support plates, a drive motor is fixed on one of the support plates. The output shaft of the drive motor is connected with the end of the transverse screw protruding from the support plate through a coupling. The moving block is screwed in the transverse screw. The upper part of the moving block has The limit block, the limit block is inserted into the limit rod, the bottom of the moving block is fixed with a push cylinder, the push rod of the push cylinder is vertically downward and the upper pressure block is fixed, the lifting cylinder is fixed in the frame, and the lifting cylinder The push rod is vertically upward and fixed with an upper bending block. The upper bending block is inserted into the lifting through hole on the top plate of the frame. The upper pressing block is on the left side of the upper bending block. The workpiece is placed on the frame. On the top plate of the workpiece, a first proximity switch is screwed in the first screw hole on the top plate of the frame below the workpiece, the sensing head of the first proximity switch faces the bottom surface of the workpiece, and the upper pressing block is pressed against the workpiece. The right side of the workpiece has an upwardly bent upper bending portion, and the upper bending portion presses against the left side wall of the upper bending block protruding from the lifting through hole.

There is a groove on the top plate of the frame, and an elastic wear-resistant block is fixed in the groove. There is a connecting screw hole below the groove, and the second proximity switch is screwed in the connecting screw hole. The sensor head of the second proximity switch is vertical It is inserted straight up into the central through hole of the elastic wear-resistant block, and the groove is on the left side of the first proximity switch.

The right side of the bottom surface of the upper pressing block has a clamping groove, the left side of the workpiece is inserted into the clamping groove, and the top surface of the clamping groove is pressed against the workpiece.

A magnet layer is fixed on the top surface and the left side surface of the clamping groove, and the magnet layer presses against the workpiece and absorbs the workpiece.

A horizontal partition is fixed in the frame, and the lifting cylinder is fixed on the horizontal partition. The push rod of the lifting cylinder passes through the horizontal partition vertically upwards, and an elastic sleeve is fixed on the upper plane of the horizontal partition. The push rod is inserted into the elastic sleeve.

The plug in the elastic sleeve has a wear-resistant sleeve, the outer wall of the wear-resistant sleeve is fixed on the inner wall of the elastic sleeve, the top surface of the wear-resistant sleeve is lower than the top surface of the elastic sleeve, and the push of the lifting cylinder The rod is inserted into the wear sleeve.

The beneficial effects of the present invention are:

It can process small batches of workpieces, with fast processing, simple structure and convenient production.

Description of drawings:

Fig. 1 is a structural schematic diagram of the present invention.

Detailed ways:

Embodiment: As shown in Fig. 1, a new type of sheet metal bending mechanism includes a frame 10, two support plates 20 are fixed on the top of the frame 10, and the two ends of the transverse screw 1 are hinged on the two support plates 20, the two ends of the limit rod 2 are fixed on two support plates 20, and a drive motor 3 is fixed on one of the support plates 20, and the output shaft of the drive motor 3 extends out of this support through a coupling and a transverse screw 1. One end of the plate 20 is connected, the moving block 4 is screwed in the transverse screw rod 1, the upper part of the moving block 4 has a limit block 41, the limit block 41 is inserted in the limit rod 2, and the bottom of the moving block 4 is fixed with a push Oil cylinder 42, pushes the push rod of oil cylinder 42 vertically downwards and is fixed with upper pressing block 43, is fixed with lifting oil cylinder 11 in the frame 10, and the push rod of lifting oil cylinder 11 is vertically upwards and is fixed with upper bending block 12, upper The bending block 12 is inserted into the lifting through hole 13 provided on the top plate of the frame 10, the upper pressing block 43 is on the left side of the upper bending block 12, and the workpiece 100 is placed on the top plate of the frame 10, below the workpiece 100 A first proximity switch 141 is screwed in the first screw hole 14 provided on the top plate of the frame 10, the inductive head of the first proximity switch 141 faces the bottom surface of the workpiece 100, and the upper pressing block 43 is pressed against the workpiece 100, The right side of the workpiece 100 has an upwardly bent upper bending portion 101 , and the upper bending portion 101 presses against the left side wall of the upper bending block 12 protruding from the lifting through hole 13 .

There is a groove 15 on the top plate of the frame 10, and an elastic wear-resistant block 16 is fixed in the groove 15. There is a connecting screw hole 17 below the groove 15, and the second proximity switch 171 is screwed in the connecting screw hole 17. The sensing head of the second proximity switch 171 is vertically inserted into the central through hole 161 of the elastic wear-resistant block 16 , and the groove 15 is on the left side of the first proximity switch 141 .

The right side of the bottom surface of the upper pressing block 43 has a locking groove 431 , the left side of the workpiece 100 is inserted into the locking groove 431 , and the top surface of the locking groove 431 is pressed against the workpiece 100 .

A magnet layer 432 is fixed on the top surface and the left side surface of the clamping groove 431 , and the magnet layer 432 presses against the workpiece 100 and absorbs the workpiece 100 .

Described frame 10 is fixed with transverse dividing plate 18, and lifting oil cylinder 11 is fixed on the transverse dividing plate 18, and the push rod of lifting oil cylinder 11 passes through transverse dividing plate 18 vertically upwards, and the upper plane of transverse dividing plate 18 is fixed with The elastic sleeve 181 , the push rod of the lifting cylinder 11 is inserted into the elastic sleeve 181 .

The plug in the elastic sleeve 181 has a wear-resistant sleeve 182, the outer wall of the wear-resistant sleeve 182 is fixed on the inner wall of the elastic sleeve 181, and the top surface of the wear-resistant sleeve 182 is lower than the top of the elastic sleeve 181. On the surface, the push rod of the lifting cylinder 11 is inserted into the wear-resistant sleeve 182 .

The workpiece 100 is placed on the elastic wear-resistant block 16, so that the second proximity switch 171 senses the workpiece 100, and the induction signal is sent to the control host, and the control host controls the drive motor 3 to run, so that the moving block 4 is in the position of the workpiece 100. (the moving distance of the moving block 4 has been set by the program of the control host, and of course can also be controlled by manual fine-tuning), then push the push rod of the oil cylinder 42 vertically downward, so that the magnet layer 432 is pressed against the workpiece 100 and absorb the workpiece 100, then turn on the drive motor 3 again, push the workpiece 100 to the top of the first proximity switch 141, the first proximity switch 141 gets a signal, and sends the signal to the control host, and the control host generally delays for a certain period of time ( The time is set by the length of the actual workpiece 100 and the bending length requirements), so that the right end of the workpiece 100 exceeds the first proximity switch 141 and moves a certain distance to the right, then, the push rod of the lifting cylinder 11 rises, so that the upper bending block 12. Push up the right part of the workpiece 100 so that the right part of the workpiece 100 forms an upper bending part 101 to complete the bending.

Wherein, when the upper bending block 12 moves downward after being bent, the elastic sleeve 181 can ensure that the upper bending block 12 has a certain buffering effect when it descends, thereby improving the service life.

The above embodiments are only used to illustrate the present invention, but not to limit the present invention. Those of ordinary skill in the relevant technical field can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, all Equivalent technical solutions also belong to the category of the present invention, and the scope of patent protection of the present invention should be defined by the claims.

Claims (6)

1. a Novel sheet metal bending mechanism, comprise frame (10), it is characterized in that: the top of described frame (10) is fixed with two gripper shoes (20), the two ends of transverse screw (1) are hinged on the top of two gripper shoes (20), the two ends of gag lever post (2) are fixed on two gripper shoes (20), one of them gripper shoe (20) is fixed with drive motors (3), one end that the output shaft of drive motors (3) stretches out this gripper shoe (20) by shaft coupling and transverse screw (1) is connected, movable block (4) is screwed onto in transverse screw (1), the top of movable block (4) has limited block (41), limited block (41) sleeve is in gag lever post (2), the bottom of movable block (4) is fixed with and promotes oil cylinder (42), promote the push rod of oil cylinder (42) straight down and be fixed with upper holder block (43), frame (10) internal fixtion has lift cylinder (11), the push rod of lift cylinder (11) straight up and be fixed with folded block (12), in the lifting through hole (13) that upper folded block (12) sleeve has on the top board of frame (10), upper holder block (43) is in the left side of upper folded block (12), workpiece (100) is placed on the top board of frame (10), the first proximity switch (141) is bolted with in the first screw (14) that the top board of the frame (10) of the below of workpiece (100) has, the inductive head of the first proximity switch (141) faces toward the bottom surface of workpiece (100), upper holder block (43) is pressed against on workpiece (100), the right side of workpiece (100) has the upper bending part (101) of upwards bending, upper bending part (101) is pressed against on the left side wall of the upper folded block (12) stretching out lifting through hole (13).

2. a kind of Novel sheet metal bending mechanism according to claim 1, it is characterized in that: the top board of described frame (10) has groove (15), elastic wear-resisting block (16) is fixed with in groove (15), the below of groove (15) has connecting screw hole (17), second proximity switch (171) is screwed onto in connecting screw hole (17), sleeve is in the central through hole (161) of elastic wear-resisting block (16) straight up for the inductive head of the second proximity switch (171), and groove (15) is in the left side of the first proximity switch (141).

3. a kind of Novel sheet metal bending mechanism according to claim 2, it is characterized in that: there is on the right side of the bottom surface of described upper holder block (43) blocked socket (431), the left side sleeve of workpiece (100) is in blocked socket (431), and the end face of blocked socket (431) is pressed against on workpiece (100).

4. a kind of Novel sheet metal bending mechanism according to claim 3, it is characterized in that: the end face of described blocked socket (431) and left surface are fixed with magnet layer (432), magnet layer (432) is pressed against workpiece (100) and goes up and adsorb workpiece (100).

5. a kind of Novel sheet metal bending mechanism according to claim 4, it is characterized in that: in described frame (10), be fixed with lateral partitions (18), lift cylinder (11) is fixed in lateral partitions (18), the push rod of lift cylinder (11) passes lateral partitions (18) straight up, the upper plane of lateral partitions (18) is fixed with resilient sleeve (181), the push rod sleeve of lift cylinder (11) is in resilient sleeve (181).

6. a kind of Novel sheet metal bending mechanism according to claim 5, it is characterized in that: in described resilient sleeve (181), plug has wear sleeve (182), the lateral wall of wear sleeve (182) is fixed on the madial wall of resilient sleeve (181), the top end face of wear sleeve (182) is lower than the top end face of resilient sleeve (181), and the push rod sleeve of lift cylinder (11) is in wear sleeve (182).