CN214391918U

CN214391918U - Punching die for bucket tooth pin hole

Info

Publication number: CN214391918U
Application number: CN202023239039.9U
Authority: CN
Inventors: 邓小文
Original assignee: Jiangxi Yinhui Engineering Machinery Co ltd
Current assignee: Jiangxi Yinhui Engineering Machinery Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-10-15
Anticipated expiration: 2030-12-29

Abstract

The utility model discloses a punching die for bucket tooth pin holes, which comprises a bottom plate, wherein an electric telescopic rod is installed on the left side of the upper surface of the bottom plate, a push plate is fixedly connected with the telescopic end of the electric telescopic rod, the two ends of the push plate are in sliding connection with a first chute arranged on a left side plate and a right side plate through an installation slide block, the lower end of the push plate is in sliding fit with a groove arranged on the upper surface of the bottom plate, the upper end of the left side plate is in sliding connection with a first bearing plate through a third chute, a lower die is installed on the first bearing plate, a first through hole and a second through hole are sequentially arranged at the rear end of the lower die from top to bottom, a bushing is in interference fit in the first through hole, a punching pin is arranged right above the bushing, the punching pin is driven by a hydraulic press, when the punching pin extrudes the bucket tooth, the bucket tooth only can extrude the bushing to damage the bushing, so that only a new bushing needs to be replaced without replacing the lower die, the service life of the lower die is prolonged.

Description

Punching die for bucket tooth pin hole

Technical Field

The utility model belongs to bucket tooth production facility field especially relates to a cut-out press of bucket tooth pinhole.

Background

The excavator bucket tooth is an important part on an excavator, is similar to a tooth of a person, is also a wearing part, is a combined bucket tooth consisting of a tooth holder and a bucket tooth, and is connected with the tooth holder and the bucket tooth through a pin shaft. Because the wear failure part of the combined bucket tooth is the bucket tooth, the bucket tooth can be replaced.

The bucket tooth is mainly formed by forging, after the bucket tooth is formed by forging, the bucket tooth is generally sleeved on the lower die through a concave cavity at the rear end of the bucket tooth, and then the pin hole is punched through the punching pin. However, when the punching needle extrudes the bucket teeth, the bucket teeth can also extrude the edge of the through hole of the lower die at the same time, so that the edge part of the through hole of the lower die is easy to damage, the whole lower die is scrapped, in addition, the existing punching equipment is inconvenient to collect the waste materials after punching, and the waste materials are directly sprinkled on the working table.

SUMMERY OF THE UTILITY MODEL

The utility model aims at improving and innovating the shortcoming and the problem that exist among the background art, provide a cut-out press in bucket tooth pinhole.

In order to achieve the above object, the utility model provides a following technical scheme: a punching die for a bucket tooth pin hole comprises a bottom plate, wherein a right side plate and a left side plate are fixedly connected to the front end and the rear end of the right side of the upper surface of the bottom plate respectively, a groove is formed in the position, between the left side plate and the right side plate, of the upper surface of the bottom plate, a first sliding groove is formed in the bottom end of the left side plate and the bottom end of the right side plate, an electric telescopic rod is installed on the left side of the upper surface of the bottom plate through a second bearing plate, a push plate is fixedly connected to the telescopic end of the electric telescopic rod in a sliding mode, the two ends of the push plate are connected with the first sliding groove in a sliding mode through an installation sliding block, the lower end of the push plate is in sliding fit with the groove, a waste collecting device is arranged below the right side of the groove, a third sliding groove is formed in the middle of the upper end of the left side plate, a first bearing plate is connected between the third sliding grooves at the two ends of the first bearing plate, a lower die is fixedly connected to the upper end of the front surface of the first bearing plate through a bolt, and the lower die is matched with a cavity formed at the rear end of a bucket tooth, the punching die is characterized in that a first through hole and a second through hole are sequentially formed in the rear end of the lower die from top to bottom, a bushing is arranged in the first through hole in an interference fit mode, the aperture of the second through hole is located between an inner hole of the bushing and the first through hole, a punching needle is arranged right above the bushing, and the punching needle is driven by a hydraulic press.

In a further scheme, the garbage collection device is a garbage collection frame, first supporting plates fixedly connected with two ends of the garbage collection frame are provided with round holes, first connecting plates fixedly connected with the lower ends of the right sides of the bottom plates are provided with round rods, and the round rods are arranged in the round holes in the first supporting plates.

In a further scheme, a stand column is installed at the upper end of the middle of the right side plate, a threaded rod is connected to the upper end of the stand column through threads, an adjusting knob is installed at one end of the threaded rod, and a clamping plate is installed at the other end of the threaded rod.

In a further scheme, a second connecting plate is fixedly connected to the rear surface of the bottom plate, a second supporting plate is mounted on the second connecting plate, a top plate is mounted at the upper end of the second supporting plate, a second sliding groove is formed in the front surface of the second supporting plate, a hydraulic press is mounted on the lower surface of the top plate, a third supporting plate is fixedly connected with the telescopic end of the hydraulic press and is connected with the second sliding groove in a sliding mode through a T-shaped sliding block, and a punching needle is mounted on the lower surface of the third supporting plate.

In a further scheme, supporting legs are installed at four corners of the lower surface of the bottom plate, and conical round tables are arranged at the bottom ends of the supporting legs.

Compared with the prior art, the beneficial effects of the utility model are that: (1) the first through hole and the second through hole are sequentially formed in the lower die from top to bottom, the bushing is arranged in the first through hole in an interference fit mode, when the punching pin extrudes the bucket teeth, the bucket teeth only extrude the bushing to damage the bushing, and after the bushing is damaged, the first bearing plate is installed between the third sliding grooves in a rotating mode by 180 degrees, the first through hole is located at the upper end, the punching pin can be inserted into the first through hole, then the punching pin is impacted to take out the bushing, so that only a new bushing needs to be replaced, the lower die does not need to be replaced, and the service life of the lower die is prolonged; (2) hold the waste material that the in-process that punches a hole dropped through seting up the recess on the bottom plate, avoid the waste material to spill in disorder on table surface, after waiting to punch a batch of bucket teeth, electric telescopic handle promotes the push pedal and moves forward, and the push pedal is with the waste material forward push away, and final waste material all falls into the garbage collection frame, makes things convenient for the collection of waste material very much.

Drawings

FIG. 1 is a first schematic structural diagram of the present invention;

FIG. 2 is a first schematic structural diagram of the present invention;

FIG. 3 is a schematic view of the front structure of the lower mold of the present invention;

FIG. 4 is a schematic view of the back structure of the lower mold of the present invention;

reference numerals: lower mould 1, electric telescopic handle 2, stand 3, right side plate 4, first spout 5, supporting leg 6, garbage collection frame 7, first connecting plate 8, first backup pad 9, second connecting plate 10, recess 11, left side plate 12, push pedal 13, second backup pad 14, bottom plate 15, second spout 16, third backup pad 17, roof 18, third spout 19, first loading board 20, second loading board 21, clamp plate 22, threaded rod 23, adjust knob 24, hydraulic press 25, punch needle 26 punches a hole, bush 101, first through-hole 102, second through-hole 103.

Detailed Description

The present invention will be described in further detail with reference to fig. 1 to 4.

A punching die for bucket tooth pin holes comprises a bottom plate 15, wherein a right side plate 4 and a left side plate 12 are fixedly connected to the front end and the rear end of the right side of the upper surface of the bottom plate 15 respectively, a groove 11 is formed in the upper surface of the bottom plate 15 and located between the left side plate 12 and the right side plate 4, a first sliding chute 5 is formed in the bottom ends of the left side plate 12 and the right side plate 4, an electric telescopic rod 2 is mounted on the left side of the upper surface of the bottom plate 15 through a second bearing plate 21, a push plate 13 is fixedly connected to the telescopic end of the electric telescopic rod 2, two ends of the push plate 13 are slidably connected with the first sliding chute 5 through mounting sliders, the lower end of the push plate 13 is in sliding fit with a groove 11, a waste collecting device is arranged below the right side of the groove 11 and is a waste collecting frame 7, after a batch of bucket teeth are punched, the electric telescopic rod 2 pushes the push plate 13 to move forwards, the waste in the groove 11 is pushed forwards by the push plate 13, finally, the waste materials fall into the waste material collecting frame 7, so that the waste materials are very convenient to collect.

In this embodiment, the middle of the upper end of the left side plate 12 is hollowed, third sliding grooves 19 are formed in two sides of the upper end of the left side plate, a first bearing plate 20 is connected between the third sliding grooves 19 at the two ends in a sliding manner, the upper end of the front surface of the first bearing plate 20 is fixedly connected with a lower die 1 through a bolt, the lower die 1 is matched with a cavity formed at the rear end of a bucket tooth, a first through hole 102 and a second through hole 103 are sequentially formed in the rear end of the lower die 1 from top to bottom, a bushing 101 is in interference fit in the first through hole 102, and the aperture of the second through hole 103 is between the inner hole of the bushing 101 and the first through hole 102; when the bush 101 is pressed from top to bottom, the second through hole 103 abuts against the bush 101, so that the bush 101 is fixed in the first through hole 102, when the bush 101 is pressed from bottom to top by a punch pin, the bush 101 can be taken out, and the bush 101 can be conveniently replaced, a punching needle 26 is arranged right above the bush 101, and the punching needle 26 is driven by a hydraulic press 25.

In this embodiment, the first backup pad 9 of 7 both ends fixedly connected with of garbage collection frame has seted up the round hole on the 9 first backup pad, the first connecting plate 8 of 15 right sides lower extreme fixedly connected with of bottom plate, install the round bar on the first connecting plate 8, the round bar sets up in the round hole on the first backup pad 9, through mutually supporting of round bar and round hole, can fix garbage collection frame 7 on first connecting plate 8, upwards mention garbage collection frame 7, can remove the injecture of round bar to the round hole.

In this embodiment, stand 3 is installed to 4 middle part upper ends of right side board, 3 upper end threaded connection of stand has threaded rod 23, adjust knob 24 is installed to threaded rod 23 one end, and pinch-off plate 22 is installed to the threaded rod 23 other end, through rotatory adjust knob 24, can make the inside motion of pinch-off plate 22 support the front end of bucket tooth, avoids punching a hole the in-process bucket tooth removal and leads to the position that punches a hole to take place the skew or the failure of punching a hole.

In this embodiment, the rear surface of the bottom plate 15 is fixedly connected with a second connecting plate 10, a second supporting plate 14 is installed on the second connecting plate 10, a top plate 18 is installed at the upper end of the second supporting plate 14, a second sliding groove 16 is formed in the front surface of the second supporting plate 14, a hydraulic press 25 is installed on the lower surface of the top plate 18, a third supporting plate 17 is fixedly connected to the telescopic end of the hydraulic press 25, a punching needle 26 is installed on the lower surface of the third supporting plate 17, the third supporting plate 17 is slidably connected with the second sliding groove 16 through a T-shaped sliding block, so that the third supporting plate 17 can stably lift up and down, and the punching needle 26 can stably punch the bucket teeth.

In this embodiment, supporting legs 6 are installed at four corners of the lower surface of the bottom plate 15, and a conical round table is arranged at the bottom end of each supporting leg 6.

The utility model discloses a theory of operation: during the specific use, at first, treat that the bucket tooth of punching the pinhole establishes on lower mould 1 through the cavity cover of rear end, then through rotary adjusting knob 24, make clamp plate 22 inwards move and support the front end of bucket tooth, avoid punching a hole in-process bucket tooth removal to lead to the position of punching a hole to take place the skew or the failure of punching a hole, the bucket tooth is fixed the back, hydraulic press 25 drives and punches a hole and dash needle 26 downstream, punch a hole and dash needle 26 and run through the bucket tooth and dash out the pinhole in the bucket tooth, the in-process of punching a hole, the waste material drops in recess 11 on bottom plate 15, treat a batch of bucket tooth that punches a hole after, electric telescopic handle 2 promotes push pedal 13 and forwards, push pedal 13 pushes away the waste material forward, final waste material all falls into garbage collection frame 7, accomplish the collection work of waste material.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a cut-out press in bucket tooth pinhole, includes bottom plate (15), its characterized in that: the front end and the rear end of the right side of the upper surface of the bottom plate (15) are respectively fixedly connected with a right side plate (4) and a left side plate (12), the upper surface of the bottom plate (15) is positioned between the left side plate (12) and the right side plate (4) and is provided with a groove (11), the bottom ends of the left side plate (12) and the right side plate (4) are provided with a first sliding chute (5), the left side of the upper surface of the bottom plate (15) is provided with an electric telescopic rod (2) through a second bearing plate (21), the telescopic end of the electric telescopic rod (2) is fixedly connected with a push plate (13), the two ends of the push plate (13) are slidably connected with the first sliding chute (5) through an installation sliding block, the lower end of the push plate (13) is slidably matched with the groove (11), a waste collecting device is arranged below the right side of the groove (11), the middle part of the upper end of the left side plate (12) is hollowed out, third sliding chutes (19) are arranged on the two sides, and a first bearing plate (20) is slidably connected between the third sliding chutes (19) at the two ends, the upper end of the front surface of the first bearing plate (20) is fixedly connected with a lower die (1) through a bolt, the lower die (1) is matched with a cavity formed in the rear end of the bucket tooth, a first through hole (102) and a second through hole (103) are sequentially formed in the rear end of the lower die (1) from top to bottom, a bushing (101) is arranged in the first through hole (102) in an interference fit mode, the aperture of the second through hole (103) is located between the inner hole of the bushing (101) and the first through hole (102), a punching needle (26) is arranged right above the bushing (101), and the punching needle (26) is driven by a hydraulic press (25).

2. The tooth pin hole punching die of claim 1, wherein: waste material collection device is waste material collection frame (7), the first backup pad (9) of waste material collection frame (7) both ends fixedly connected with has seted up the round hole on first backup pad (9), bottom plate (15) right side lower extreme fixedly connected with first connecting plate (8), install the round bar on first connecting plate (8), the round bar sets up in the round hole on first backup pad (9).

3. The tooth pin hole punching die of claim 1, wherein: the utility model discloses a clamp plate, right side board (4) is including the right side board, stand (3) are installed to right side board (4) middle part upper end, threaded connection has threaded rod (23) on stand (3), adjust knob (24) are installed to threaded rod (23) one end, and pinch plate (22) are installed to the threaded rod (23) other end.

4. The tooth pin hole punching die of claim 1, wherein: bottom plate (15) rear surface fixed connection has second connecting plate (10), install second backup pad (14) on second connecting plate (10), roof (18) are installed to second backup pad (14) upper end, and second spout (16) have been seted up to second backup pad (14) front surface, roof (18) lower surface mounting has hydraulic press (25), the flexible end fixedly connected with third backup pad (17) of hydraulic press (25), third backup pad (17) are through T shape slider and second spout (16) sliding connection, third backup pad (17) lower surface mounting have punch a hole and dash needle (26).

5. The tooth pin hole punching die of claim 1, wherein: supporting legs (6) are installed at four corners of the lower surface of the bottom plate (15), and conical round tables are arranged at the bottom ends of the supporting legs (6).