CN217290664U

CN217290664U - Novel crimping tool

Info

Publication number: CN217290664U
Application number: CN202220607883.2U
Authority: CN
Inventors: 田富刚; 杨其军
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-18
Filing date: 2022-03-18
Publication date: 2022-08-26
Anticipated expiration: 2032-03-18

Abstract

The utility model belongs to the technical field of hydraulic equipment, refer in particular to a novel crimping tool, include: a body; the power device is arranged on the machine body; the hydraulic device is arranged in the machine body and driven by the power device, and an oil outlet is formed in the hydraulic device; and an actuator driven by the hydraulic device for processing the object; the actuating element comprises a functional head, a piston rod connected with the functional head and a resetting component for resetting the piston rod; the machine body comprises a connector, a hydraulic cavity is arranged in the connector, and the oil outlet is positioned in the other end of the connector; the connector with the execution piece can be dismantled and be connected, works as the connector with when the execution piece is connected, the piston rod is located hydraulic pressure intracavity. The novel crimping tool in this patent only needs one set of organism and hydraulic means, realizes different functions through changing different execution heads to this increases the function quantity of this crimping tool, thereby convenient to use person daily operation.

Description

Novel crimping tool

Technical Field

The utility model belongs to the technical field of hydraulic equipment, refer in particular to a novel crimping tool.

Background

China utility model 2018221405124 discloses a can dismantle hydraulic pressure electric tool, it is through a general organism, and its power actuating mechanism can change into different hydraulic means such as hydraulic pressure scissors, hydraulic tong and hydraulic clamp to this realizes different functions.

However, when the power executing mechanism in the patent is disassembled, a hydraulic cavity for executing hydraulic work is separated from a hydraulic system; when the hydraulic actuator is reassembled, if the hydraulic actuator is not tightly installed, a hydraulic system is easy to cause a gap, so that the oil leakage is caused, and the normal work of the power actuator is influenced.

Disclosure of Invention

The utility model aims at providing a novel crimping tool that can quick replacement tool bit.

The purpose of the utility model is realized like this:

a novel crimping tool comprising:

a body;

the power device is arranged on the machine body;

the hydraulic device is arranged in the machine body and driven by the power device, and an oil outlet is formed in the hydraulic device; and

an actuator driven by hydraulic means for processing an object; the executive component comprises a functional head, a driving rod connected with the functional head and a reset assembly used for resetting the driving rod;

the machine body comprises a connector, a hydraulic cavity is arranged in the connector, a piston is arranged in the hydraulic cavity, and the oil outlet is located on one side in the hydraulic cavity; the connector with the connection can be dismantled to the executive component, works as the connector with when the executive component is connected, the actuating lever is located the hydraulic pressure intracavity, and by the motion is driven to the piston.

Further, the connector is connected with the executing piece through threads.

Furthermore, the executive component is further provided with a sleeving part sleeved on the outer edge of one end of the connector, and the inner edge of the sleeving part and the outer edge of the connector are respectively provided with a first thread part and a second thread part which correspond to each other.

Furthermore, the reset assembly comprises a reset spring sleeved on the driving rod.

Further, the execution head comprises one of a hydraulic shear, a hydraulic clamp and a hydraulic clamp.

Further, the hydraulic shears include:

the driving rod is arranged in the base in a telescopic mode;

two connecting plates rotatably connected to one end of the driving rod;

the left tool bit and the right tool bit are respectively connected with a connecting plate; one side of the left cutter head and one side of the right cutter head are overlapped; and

the lower end of the outer supporting plate is fixed on the base, and the upper end of the outer supporting plate is provided with a rotating shaft which is arranged at the overlapping part of the left cutter head and the right cutter head in a penetrating way;

the lower end of the outer supporting plate is detachably connected with the base.

Furthermore, the base is provided with a connecting boss, two sides of the connecting boss are provided with a hollow part above the base, and the lower end of the outer support plate is arranged on the hollow part and connected with the connecting boss through a fastener.

Furthermore, the hydraulic device also comprises a pump body, the pump body is arranged in the machine body in a penetrating way, and an oil storage cavity is formed between the pump body and the inner wall of the machine body;

a driving oil cavity is formed at the rear end of the pump body, a shaft plug mechanism is installed in the driving oil cavity, and the power device drives the shaft plug mechanism to work;

the driving oil cavity is communicated with the oil storage cavity through an oil inlet channel, the driving oil cavity is communicated with the hydraulic cavity through an oil outlet channel, and the hydraulic cavity is communicated with the oil storage cavity through an oil return channel.

Furthermore, the oil inlet end of the oil inlet channel is positioned on the side surface of the pump body, and an oil inlet one-way valve is installed in the oil inlet end;

an oil outlet one-way valve is mounted at the oil inlet end of the oil outlet channel;

the oil outlet one-way valve and the oil inlet one-way valve are matched with each other, so that oil enters the oil cavity from the oil inlet channel and is discharged from the oil outlet channel.

Further, the machine body comprises a main body and an oil circuit seat, the oil circuit seat is mounted at the front end of the main body, a mounting groove is formed at the rear end of the oil circuit seat, and the mounting groove is matched with the main body to form an accommodating cavity for mounting an oil bag; the oil outlet is formed in the oil passage seat.

Compared with the prior art, the utility model outstanding and profitable technological effect is:

novel crimping tool in this patent only needs one set of organism and hydraulic means, realizes different functions through changing different execution heads to this increases this crimping tool's function quantity, thereby convenient to use person's daily operation. Moreover, the connector in this patent is the snap-on the organism, therefore crimping tool in this patent is when changing the executive component, and what it changed is only the position of actuating lever, can not influence the connection of hydraulic pressure chamber and hydraulic means, makes hydraulic pressure chamber and hydraulic means always be in the state of close connection, can not produce the problem of oil leak.

Drawings

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

Fig. 2 is one of the cross-sectional views of the present invention.

Fig. 3 is a second cross-sectional view of the present invention.

Fig. 4 is an enlarged view at a in fig. 3.

Fig. 5 is a cross-sectional view of the power unit and the hydraulic unit of the present invention.

Fig. 6 is a schematic structural view of the hydraulic shears of the present invention.

Fig. 7 shows the hydraulic device and the actuator of the present invention.

Fig. 8 is a schematic structural view of the hydraulic clamp of the present invention.

Fig. 9 is a schematic structural view of the hydraulic clamp of the present invention.

The reference numerals in the figures denote the meanings:

1. a body; 11. a main body; 12. mounting grooves; 13. a connector; 131. a second threaded portion;

2. a power plant; 21. a drive motor; 22. an eccentric drive shaft;

3. a hydraulic device; 31. a pump body; 32. an oil bag; 33. an oil storage chamber; 34. an oil outlet channel; 341. an oil outlet one-way valve; 342. an oil inlet hole; 343. an oil inlet channel; 344. an oil inlet one-way valve; 345. a drive oil chamber; 346. steel balls I; 347. a limit screw; 35. an oil return hole; 37. a shaft plug mechanism; 371. a shaft plug sleeve; 372. A shaft plug; 373. a first spring; 374. a drive section;

41. an oil circuit seat; 411. an oil outlet; 412. a safety chamber; 413. a pressure relief cavity; 44. a hydraulic chamber; 45. a pressure relief valve; 451. a pressure relief ball; 452. a pressure relief bolt; 453. a handle; 46. a safety valve; 47. a piston;

5. an executive component; 51. a base; 511. connecting the bosses; 512. a socket joint part; 513. a first threaded portion; 52. Connecting plates; 53. a left cutter head; 54. a right cutter head; 55. an outer support plate; 56. a rotating shaft; 57. a drive rod; 58. A return spring; 59. a functional head;

6. an accommodating cavity;

8. an oil return passage.

Detailed Description

The invention will be further described with reference to specific embodiments below:

a novel crimping tool is shown in figures 1-5 and comprises a machine body 1, a power device 2, a hydraulic device 3 and an actuating piece 5.

The power device 2 is arranged in the machine body 1 and comprises a driving motor 21 and an eccentric transmission shaft 22, and the driving motor 21 controls the eccentric transmission shaft 22 to rotate so as to drive the hydraulic device 3 to work.

Specifically, the hydraulic device 3 includes a pump body 31, the pump body 31 is arranged in the machine body 1 in a penetrating manner, and an oil storage cavity 33 is formed between the pump body 31 and the inner wall of the machine body 1; a driving oil cavity 345 is formed at the rear end of the pump body 31, a shaft plug mechanism 37 is installed in the driving oil cavity 345, and the shaft plug mechanism 37 is driven by the power device 2 to work. The front end of the pump body 31 is used for oil outlet, the front end of the machine body 1 is provided with a connector 13, a hydraulic cavity 44 is arranged in the connector 13, and the oil outlet 411 is located at one end of the hydraulic cavity 44. An oil outlet channel 34, an oil inlet channel 343 and an oil return channel 8 are formed in the pump body 31; the drive oil chamber 345 is connected to the oil chamber 33 through the oil inlet passage 343, the drive oil chamber 345 is connected to the hydraulic chamber 44 through the oil outlet passage 34, and the hydraulic chamber 44 is connected to the oil chamber 33 through the oil return passage 8. The driving motor 21 drives the shaft plug mechanism 37 to perform telescopic motion through the eccentric transmission shaft 22, so that hydraulic oil enters the driving oil cavity 345 from the oil storage cavity 33 through the oil inlet channel 343, and then enters the hydraulic cavity 44 through the oil outlet channel 34, and oil is fed for hydraulic operation.

The executing part 5 is driven by the hydraulic device 3 and is used for processing an object; the actuating member 5 comprises a functional head 59, a driving rod 57 connected with the functional head 59 and a resetting component for resetting the driving rod 57; generally, the functional head 59 may be a scissors, a tong head, a clamp, or the like, thereby forming a hydraulic shear, a hydraulic tong, a hydraulic clamp, or the like.

Further, an oil return hole 35 for communicating the oil return passage 8 and an oil filling hole for filling the oil bag 32 are further formed in the end portion of the pump body 31, and ports of the oil return hole 35 and the oil filling hole are located at the same end of the pump body 31, that is, the front end face of the pump body.

The engine body 1 comprises a main body 11 and an oil circuit seat 41, wherein the oil circuit seat 41 is installed at the front end of the main body 11, an installation groove 12 is formed at the rear end of the oil circuit seat 41, and the installation groove 12 is matched with the main body 11 to form an accommodating cavity 6.

An oil bag 32 can be installed in the accommodating cavity 6, the pump body 31 penetrates through the oil bag 32, and two ends of the oil bag 32 are hermetically connected with the pump body, so that an oil storage cavity 33 is formed between the pump body 31 and the oil bag.

The connection between the oil bag 32 and the pump body 31 can also adopt one end sealing connection, and the oil bag is sleeved on the outer wall of the pump body, so that the technical effect can be achieved.

The oil return passage 8 is formed in the oil passage seat 41.

When the main body 11 is connected to the oil path base 41, the front end surface of the pump body 31 is disposed in the mounting groove 12 and closely attached to the inner wall of the mounting groove 12. The design firstly communicates the oil chamber and the hydraulic chamber 44, and the oil return channel 8 communicates with the oil return hole 35; meanwhile, the oil filling hole is sealed, and sealing is realized.

In order to ensure the oil absorption effect, as shown in fig. 3 and 4, the oil outlet channel 34 and the oil inlet channel 343 are both arranged in the pump body 31, the oil outlet channel 34 and the oil inlet channel 343 are communicated with each other, and the oil inlet end of the oil inlet channel 343 is located on the side surface of the pump body 31; an oil outlet one-way valve 341 is arranged at the oil inlet end of the oil outlet channel 34, an oil inlet one-way valve 344 is arranged at the oil inlet end of the oil inlet channel 343, and the oil outlet one-way valve 341 and the oil one-way valve 344 are matched with each other to realize that oil enters the oil cavity from the oil inlet channel 343 and then is discharged from the oil outlet channel 34.

The structure of the oil outlet check valve 341 is the same as that of the oil inlet check valve 344, and the oil inlet check valve 344 is used as an example for unfolding.

The oil inlet check valve 344 comprises a first steel ball 346 and a limiting screw rod 347, the first steel ball 346 is located in the oil inlet channel 343, the limiting screw rod 347 is in threaded connection with the pump body 31, the first steel ball 346 is limited in the oil inlet channel 343, and the diameter of the oil inlet channel 343 is larger than the diameter of the first steel ball 346 and larger than the diameter of the oil inlet hole 342.

When oil is sucked, the first steel ball 346 is separated from the oil inlet hole 342, and when oil is discharged, the first steel ball 346 seals the oil inlet hole 342, so that the oil enters the oil outlet 411 from the oil outlet hole.

A spring can be arranged between the first steel ball 346 and the limiting screw 347, and the spring is used for propping against the first steel ball 346 so as to ensure the normal work of the oil inlet check valve 344.

As shown in fig. 3, a rear end of the pump body 31 is opened with a driving oil chamber 345 for mounting the plunger mechanism 37. The driving oil chamber 345 is provided to ensure that the shaft plug mechanism 37 is aligned with the axis of the oil outlet passage 34 after the shaft plug mechanism 37 is installed.

The utility model discloses an axle stopper mechanism 37 is installed in the rear end of the pump body 31, and axle stopper mechanism 37 is located same axis with the pump body 31, and axle stopper mechanism 37 can directly impress hydraulic oil into oil outlet channel 34, reduces hydraulic pressure force's transmission loss, and then guarantees hydraulic power and hydraulic pressure effect.

As shown in fig. 7, an oil outlet 411 is formed in the oil path base 41, the oil outlet 411 is communicated with the oil outlet channel 34, a pressure relief chamber 413 for communicating the oil outlet 411 and the oil return hole 35 is further formed in the oil path base 41, and a pressure relief valve 45 is installed in the pressure relief chamber 413 for controlling the communication between the oil outlet 411 and the oil return hole 35.

When the crimping tool finishes crimping, the pressure release valve 45 can be opened, so that the hydraulic oil flows back to the oil storage cavity 33, and the crimping operation is conveniently carried out again.

The pressure relief valve 45 mainly comprises a pressure relief ball 451, a pressure relief bolt 452 and a handle 453, wherein the pressure relief ball 451 is arranged in the pressure relief cavity 413, the pressure relief bolt 452 is in threaded connection with the pressure relief cavity 413, the handle 453 is connected to the lower end of the pressure relief bolt 452, and an oil inlet of the pressure relief cavity 413 can be cut or closed by rotating the handle 453.

A safety chamber 412 is further formed in the oil path seat 41, the pressure relief chamber 413, the safety chamber 412 and the oil outlet 411 are communicated with each other, the safety chamber 412 is communicated with the oil return hole 35, and a safety valve 46 for adjusting pressure is mounted in the safety chamber 412.

The design can simplify the inside oil circuit like this, reduces the processing degree of difficulty, and the reduction of oil circuit can reduce the emergence probability of trouble simultaneously, reduces the maintenance, guarantees stability, facilitates the use.

The safety valve 46 comprises a regulating nut, a second spring and a second steel ball, the second steel ball is arranged in the safety cavity 412, the regulating nut is in threaded connection with the oil path seat 41, the second spring props against the second steel ball to achieve closing between the safety cavity 412 and the oil outlet 411, when the oil pressure in the oil outlet 411 is too large, the force of the second spring is overcome to push the second steel ball, the safety cavity 412 and the oil outlet 411 are opened, hydraulic oil flows back to the oil storage cavity 33, the oil pressure of the internal oil path is guaranteed, and damage to equipment due to too large oil pressure is avoided.

The safety chamber 412 and the pressure relief chamber 413 constitute an oil return passage 8.

Furthermore, the connector 13 is formed at the front end of all the oil path seats 41, and is integrally in a sleeve shape, and a hydraulic cavity 44 is formed in the connector, a piston 47 is arranged in the hydraulic cavity 44, and a sealing ring is arranged on the outer edge of the piston 47 for sealing hydraulic oil in the hydraulic cavity 44. The oil path seat 41 is located at the front end of the connector 13, so that the oil outlet 411 is located in the hydraulic chamber 44. In this embodiment, the actuating member 5 is a hydraulic shear, and the hydraulic shear includes:

the base 51, the base 51 is provided with the said driving rod 57 inside telescopically; the driving rod 57 is sleeved with a return spring 58, and the return spring 58 drives the driving rod 57 when the hydraulic device 3 is depressurized to release the hydraulic shear.

Two link plates 52 rotatably connected to one end of the driving rod 57;

the left cutter head 53 and the right cutter head 54 are respectively connected with a connecting plate 52; the left cutter head 53 and one side of the right cutter head 54 are overlapped; and

the lower end of the outer supporting plate 55 is fixed on the base 51, and the upper end of the outer supporting plate is provided with a rotating shaft 56 which is arranged at the overlapping part of the left cutter head 53 and the right cutter head 54 in a penetrating way;

the lower end of the outer support plate 55 is detachably connected to the outer support plate.

As shown in fig. 6, the susceptor 51 is further provided with a connecting boss 511, the connecting boss 511 is square, the susceptor 51 is circular, and the diameter and length of the susceptor 51 are the same as those of the connecting boss 511; the connection bosses 511 are integrally formed on the base 51, and due to the difference in size between the connection bosses, a hollow portion is formed on both sides of the connection bosses 511 above the base 51, and the lower end of the outer support plate 55 is disposed on the hollow portion and detachably connected to the connection bosses 511 by fasteners. When the hydraulic shear works, the driving rod 57 is driven to move to push the connecting plates 52 to open outwards, and the two connecting plates 52 respectively drive the left cutter head 53 and the right cutter head 54 to rotate around the rotating shaft 56, so that the left cutter head 53 and the right cutter can shear mutually. It should be noted that, in the existing hydraulic shears, the outer support plate 55 and the connection boss 511 are mostly integrally formed, and the outer support plate 55 in this patent is detachably connected with the connection boss 511 through a fastener, which reduces the difficulty of forming the product and speeds up the manufacturing speed.

In this patent, the bottom of connecting boss 511 is equipped with a socket 512, and the inner edge of socket 512 is equipped with first screw portion 513, correspondingly be equipped with second screw portion 131 on the outer edge of connector 13. When the connector 13 is connected to the actuator 5, the driving rod 57 is located in the hydraulic chamber 44 and abutted against the piston 47 for the first time by making the sleeve 512 sleeved outside the connector 13, and the connector 13 is fixed to the actuator 5 by the corresponding first thread part 513 and the second thread part 131. At this time, the piston 47 is driven by the hydraulic device 3, and the drive rod 57 is moved by the piston 47, so that the functional head 59 is operated.

It should be noted that the hydraulic pliers and the hydraulic clamp at least include the base 51 and the driving rod 57 located in the base 51, so that a user can replace the connecting head 13 by detachably assembling the connecting head 13 and the base 51, thereby replacing different actuators 5 to achieve different functions.

To sum up, novel crimping tool in this patent only needs one set of organism 1 and hydraulic means 3, realizes different functions through changing different executive component 5 to this increases this crimping tool's function quantity, thereby convenient to use person daily operation. Moreover, the connecting head 13 in this patent is directly fixed on the machine body 1, so when the actuating member 5 of the crimping tool in this patent is replaced, the position of the driving rod 57 is changed, which does not affect the connection between the hydraulic chamber 44 and the hydraulic device 3, so that the hydraulic chamber 44 and the hydraulic device 3 are always in a tight connection state, and the problem of oil leakage is avoided.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The novel crimping tool is characterized by comprising a machine body (1) and further comprising:

the power device (2) is arranged on the machine body (1);

the hydraulic device (3) is arranged in the machine body (1) and driven by the power device (2), and an oil outlet (411) is formed in the hydraulic device (3); and

an actuator (5) driven by the hydraulic device (3) for processing the object; the actuator (5) comprises a functional head (59), a driving rod (57) connected with the functional head (59) and a resetting component used for resetting the driving rod (57);

the machine body (1) comprises a connector (13), a hydraulic cavity (44) is arranged in the connector (13), a piston (47) is arranged in the hydraulic cavity (44), and the oil outlet (411) is located on one inner side of the hydraulic cavity (44); connector (13) with execution piece (5) can dismantle the connection, works as connector (13) with when execution piece (5) are connected, actuating lever (57) are located in hydraulic pressure chamber (44), and by piston (47) drive motion.

2. The new crimping tool of claim 1, wherein: the connector (13) is connected with the executing piece (5) through threads.

3. The new crimping tool as claimed in claim 2, wherein: still be equipped with on executive component (5) and cup joint portion (512) of cup jointing along the outer edge of connector (13) one end, the interior edge of portion (512) of cup jointing and the outer edge of connector (13) is gone up and is equipped with corresponding first screw thread portion (513) and second screw thread portion (131) respectively.

4. The new crimping tool of claim 1, wherein: the reset assembly comprises a reset spring (58) sleeved on the driving rod (57).

5. The new crimping tool of claim 1, wherein: the executing part (5) comprises one of a hydraulic shear, a hydraulic clamp and a hydraulic clamp.

6. The new crimping tool as claimed in claim 5, wherein the hydraulic shear comprises:

a base (51), the driving rod (57) is arranged in the base (51) in a telescopic way

Two link plates (52) rotatably connected to one end of the drive rod (57);

the left cutter head (53) and the right cutter head (54) are respectively connected with a connecting plate (52); the left cutter head (53) and one side of the right cutter head (54) are overlapped; and

the lower end of the outer supporting plate (55) is fixed on the base (51), and the upper end of the outer supporting plate is provided with a rotating shaft (56) which penetrates through the overlapping part of the left cutter head (53) and the right cutter head (54);

the lower end of the outer supporting plate (55) is detachably connected with the base (51).

7. The new crimping tool of claim 6, wherein: the base (51) is provided with a connecting boss (511), the two sides of the connecting boss (511) are provided with a hollow part positioned above the base (51), the lower end of the outer supporting plate (55) is arranged on the hollow part and is connected with the connecting boss (511) through a fastener.

8. The new crimping tool as claimed in any one of claims 1-7, wherein: the hydraulic device (3) further comprises a pump body (31), the pump body (31) is arranged in the machine body (1) in a penetrating mode, and an oil storage cavity (33) is formed between the pump body (31) and the inner wall of the machine body (1);

a driving oil cavity (345) is formed at the rear end of the pump body (31), a shaft plug mechanism (37) is installed in the driving oil cavity (345), and the power device (2) drives the shaft plug mechanism (37) to work;

the driving oil cavity (345) is communicated with the oil storage cavity (33) through an oil inlet channel (343), the driving oil cavity (345) is communicated with the hydraulic cavity (44) through an oil outlet channel (34), and the hydraulic cavity (44) is communicated with the oil storage cavity (33) through an oil return channel (8).

9. The new crimping tool of claim 8, wherein:

the oil inlet end of the oil inlet channel (343) is positioned on the side face of the pump body (31), and an oil inlet check valve (344) is installed in the oil inlet end;

an oil outlet one-way valve (341) is installed at the oil inlet end of the oil outlet channel (34);

the oil outlet one-way valve (341) and the oil inlet one-way valve (344) are matched with each other, so that oil enters the oil cavity from the oil inlet channel (343) and then is discharged from the oil outlet channel (34).

10. The new crimping tool of claim 8, wherein: the oil-way structure is characterized in that the machine body (1) comprises a main body (11) and an oil-way seat (41), the oil-way seat (41) is installed at the front end of the main body (11), an installation groove (12) is formed at the rear end of the oil-way seat (41), and the installation groove (12) is matched with the main body (11) to form an accommodating cavity (6) for installing an oil bag (32); the oil outlet (411) is formed in the oil passage seat (41).