CN217798378U

CN217798378U - Handheld external circulating water cooling punching machine

Info

Publication number: CN217798378U
Application number: CN202222170527.1U
Authority: CN
Inventors: 刘炳兴
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-16
Filing date: 2022-08-16
Publication date: 2022-11-15
Anticipated expiration: 2032-08-16

Abstract

The utility model provides a handheld outer circulating water cooling piercing press, including arranging the circulating water cooling device at pump body top in and between the pump body and motor casing through the screw connection, install motor element in the motor casing, motor element's drive shaft passes the through-hole of seting up at circulating water cooling device center and links to each other with the transmission shaft of the internal portion of pump, set up annular circulating water tank in the circulating water cooling device, circulating water tank's one end is by the spacer interval, and the both sides of spacer are provided with water inlet port and water outlet port, water inlet port and water outlet port carry out the cooling water circulation through external suction pump, the utility model discloses an add circulating water cooling device to can improve the cooling efficiency of piercing press greatly, and also can not make the hand-held type piercing press excessively loaded down with trivial details simultaneously, can also ensure the change of dismantling between the part, thereby be convenient for maintenance and change in the use, and also can improve hydraulic pressure piercing press's availability factor greatly.

Description

Handheld external circulating water cooling punching machine

Technical Field

The utility model relates to a handheld piercing press, especially a handheld extrinsic cycle water cooling piercing press.

Background

The punching machine is a device which uses gravity to punch a sub-punching die to a main punching die to form a hole, is generally used for punching materials such as steel, iron, copper, aluminum plates, formed steel, channel steel, I-steel and the like in the machinery, building industry and field operation, is more convenient and faster compared with a common desk punching machine when being used, but the existing hand punching machine has certain defects to be improved, such as: according to the technical problems, the conventional handheld hydraulic punching machine is generally an air-cooled cooling hydraulic system, when the conventional air-cooled punching machine is used for punching, the environment temperature reaches 30 ℃, hydraulic oil in the pump can generate high heat due to high-speed pressurization and work friction of a small plunger, the cooling effect is not obvious through the conventional air cooling, the high temperature can accelerate to cause the abrasion failure of rubber sealing elements such as rubber piston rings in the pump, and the high temperature can expand the inner wall of an oil hole of a small plunger pump, so that the oil quantity of the pump cannot meet the work requirement of downward movement Cheng Gaoya on a large piston, the punching pressure of the punching machine is weakened, and even the punching requirement of the punching machine cannot be met under the high-temperature condition of the pump body, so that the cooling mode of the hydraulic system needs to be improved, and the cooling effect of the pump body is improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model aims at providing a handheld outer circulating water cooling piercing press on the basis of traditional handheld punching machine, through addding circulating water cooling device to can improve the cooling efficiency of piercing press greatly, and also can not make the handheld piercing press excessively loaded down with trivial details simultaneously, can also ensure dismantling the change between the part, thereby be convenient for maintenance and change in the use, and also can improve the availability factor of hydraulic pressure piercing press greatly.

The utility model provides a following technical scheme:

a hand-held external circulating water cooling punching machine comprises a binding clip fixed on a bottom plate, a punching sub-die and a punching female die which are arranged in a C-shaped opening of the binding clip and are oppositely arranged, a pump body is arranged at the top of the binding clip, a hydraulic system in the pump body pushes the punching sub-die at the end of a hydraulic rod to be positioned above the punching female die to punch a workpiece for forming, the hand-held external circulating water cooling punching machine also comprises a circulating water cooling device which is arranged at the top of the pump body and is connected between the pump body and a motor shell through a screw, a motor component is arranged in the motor shell, a driving shaft of the motor component passes through a through hole arranged at the center of the circulating water cooling device to be connected with a transmission shaft in the pump body and is used for electrically driving the hydraulic system in the pump body to realize circulation, a motor driving structure in the part is the same as the hydraulic working principle of the traditional electric hydraulic punching machine, detailed description is omitted, and the circulating water cooling device is detachably connected between the motor shell and the pump body, therefore, the heat generated by hydraulic oil in the pump body due to high-speed pressurization and work friction of the small plunger can be more effectively conducted, the detachable connection mode is convenient for subsequent replacement and maintenance, the structure is simple, an annular circulating water tank is arranged in the circulating water cooling device, one end of the circulating water tank is separated by a partition block, a water inlet port and a water outlet port are arranged on two sides of the partition block, the water inlet port and the water outlet port are used for cooling water circulation through an external water pump, at the moment, before punching, the water inlet port and the water outlet port can be connected through a hose, cooling water enters the circulating water tank through the water inlet port under the driving of the water pump, and flows out from the water outlet port after heat transfer is completed, and the circulating water tank is annular and is separated by the partition block, so that a pipeline for connecting the water inlet port and the water outlet port can be distributed on one side of the circulating water cooling device, the clamp head is arranged on the back side of the clamp head, so that feeding and discharging of workpieces are not affected, and wiring can be tidy.

Preferably, the top end opening of circulating water tank sets up, and sets up the draw-in groove that supplies hole to put into with the rand on its inner wall, and the top end opening department of circulating water tank is by a set of sealing washer sealing connection, and the bottom butt of sealing washer is on hole with the rand to the accessible is got the mode of hole with rand and sealing washer, in time and is convenient for in time clear up the circumstances in the circulating water tank and see, washes into the subsequent maintenance of being more convenient for.

Preferably, the top and the bottom of the pump body are also provided with sealing gaskets which are respectively arranged between the external circulating water cooling device and the pump body and between the pump body and the clamp head at intervals, so that the influence of vibration on the structure in the pump body can be reduced.

Preferably, the peripheries of the motor shell and the pump body are provided with screw connection sleeves for screws to pass through, through holes for the screws to pass through are further formed in the circulating water cooling device, the through holes are located between the circulating water tank and the through holes, the screws are butted with the screw connection sleeves to pass through the motor shell, the pump body and the circulating water cooling device to be detachably connected, and therefore installation and disassembly among the motor shell, the pump body and the circulating water cooling device are achieved conveniently.

Preferably, there is a set of right angle baffle one side of binding clip through bolted connection, rectangular shape adjustment groove has been seted up on the right angle limit of right angle baffle, the bolt passes the adjustment groove and compresses tightly the right angle baffle in one side of binding clip, through the position of adjusting bolt in the adjustment groove, confirm the position that the work piece that leans on to connect in right angle baffle one side stretches into in the C shape binding clip, thereby can further confirm the drift to the punching press position of work piece, not only can make the work piece support when the punching press and lean on right angle baffle side, improve the stability of punching press process, and certain adjustability also has.

Preferably, the top of the motor shell is further connected with a group of handles, the handles are provided with switches used for controlling the motor assembly to be started or stopped, and power line guide sleeves used for guiding power lines are further arranged, so that the power lines used for electrically connecting the motor assembly can be connected to external power connectors through the handle inner shell and the power line guide sleeves, and therefore when the motor assembly is held in a hand, the hands can be prevented from directly contacting the power lines.

The utility model has the advantages that:

1. the handheld external circulating water cooling punching machine can more effectively conduct heat generated by friction of hydraulic oil in the pump body due to high-speed pressurization of the small plunger during working because the circulating water cooling device is detachably connected between the motor shell and the pump body, and the detachable connection mode is convenient for subsequent replacement and maintenance and has a simpler structure;

2. the utility model discloses a handheld outer circulating water cooling piercing press is before punching a hole, accessible hose connection inlet port and outlet port, and the cooling water enters into the circulating water tank through the inlet port under the drive of suction pump in, accomplish thermal transmission back, flow by the outlet port again, because the circulating water tank sets up to the annular, and by the spacer interval, so, a pipeline for connecting inlet port and outlet port can distribute in one side of circulating water cooling device, arrange promptly in the dorsal part of binding clip, can not influence the last unloading of work piece, also can make the wiring comparatively neat.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a structural sectional view of the present invention;

FIG. 3 is a schematic view of the structure of a circulating water cooling apparatus;

FIG. 4 is a structural sectional view of a circulating water cooling device;

FIG. 5 is a schematic structural diagram of the circulating water cooling device after the sealing ring is removed;

labeling in the figure: the hydraulic clamp comprises a clamp head 1, a punching sub-die 2, a punching female die 3, a pump body 4, a hydraulic rod end 5, a circulating water cooling device 6, a screw joint sleeve 7, a through hole 8, a through hole 9, a right-angle baffle 10, an adjusting groove 11, a handle 12, a switch 13, a power line guide sleeve 14, a motor shell 15, a circulating water groove 61, a spacer block 62, a water inlet port 63, a water outlet port 64, a hole collar 65 and a sealing ring 66.

Detailed Description

Example 1

Referring to fig. 1 to 5, a hand-held external circulating water cooling punching machine, in this embodiment, includes a binding clip 1 fixed on a bottom plate, a punching sub-mold 2 and a punching mother mold 3 installed in a C-shaped opening of the binding clip 1 and disposed opposite to each other, a pump body 4 is installed on a top of the binding clip 1, a hydraulic system in the pump body 4 pushes the punching sub-mold 2 of a hydraulic rod end 5 to a position above the punching mother mold 3 to punch a workpiece, and further includes a circulating water cooling device 6 disposed on a top of the pump body 4 and connected between the pump body 4 and a motor housing 15 through screws, a motor assembly is installed in the motor housing 15, a driving shaft of the motor assembly passes through a through hole 9 formed in a center of the circulating water cooling device 6 to be connected to a driving shaft in the pump body 4 and is used for electrically driving the hydraulic system in the pump body 4 to realize circulation, a motor driving structure in this portion is the same as a hydraulic working principle of a conventional electric hydraulic punching machine, therefore, detailed description is omitted, and the circulating water cooling device 6 is detachably connected between the motor casing 15 and the pump body 4, so that heat generated by friction of hydraulic oil in the pump body 4 due to high-speed pressurization of small plungers can be more effectively conducted, the detachable connection mode is convenient for subsequent replacement and maintenance, the structure is simple, the circulating water cooling device 6 is internally provided with an annular circulating water tank 61, one end of the circulating water tank 61 is separated by a spacer 62, a water inlet port 63 and a water outlet port 64 are arranged on two sides of the spacer 62, the water inlet port 63 and the water outlet port 64 are used for cooling water circulation through an external water suction pump, at the moment, before punching, the water inlet port 63 and the water outlet port 64 are connected through a hose, and cooling water enters the circulating water tank 61 through the water inlet port 63 under the driving of the water suction pump, the heat is transferred and then flows out from the water outlet port 64, and the circulating water tank 61 is annular and is partitioned by the partition blocks 62, so that the pipelines for connecting the water inlet port 63 and the water outlet port 64 can be distributed on one side of the circulating water cooling device 6, namely, the pipelines are arranged on the back side of the tong head 1, the feeding and discharging of workpieces cannot be influenced, and the wiring can be tidy.

The top end opening of circulation basin 61 sets up, and sets up the draw-in groove that supplies hole to put into with rand 65 on its inner wall, and the top end opening part of circulation basin 61 is by a set of sealing washer 66 sealing connection, and the bottom butt of sealing washer 66 on hole with rand 65 to the accessible is got the mode of hole with rand 65 and sealing washer 66, in time and is convenient for in time clear up the condition in the circulation basin 61 and looks, washes into the subsequent maintenance of being more convenient for.

The top and the bottom of the pump body 4 are also provided with sealing gaskets which are respectively arranged between the external circulating water cooling device 6 and the pump body 4 and between the pump body 4 and the clamp head 1 at intervals, so that the influence of vibration on the internal structure of the pump body 4 can be reduced.

The peripheries of the motor shell 15 and the pump body 4 are provided with screw sleeves 7 for screws to pass through, through holes 8 for the screws to pass through are further formed in the circulating water cooling device 6, the through holes 8 are located between the circulating water tank 61 and the through holes 9, the screws can pass through the screw sleeves 7 to complete detachable connection of the motor shell 15, the pump body 4 and the circulating water cooling device 6, and therefore mounting and dismounting among the motor shell 15, the pump body 4 and the circulating water cooling device are achieved conveniently.

There is a set of right angle baffle 10 in one side of binding clip 1 through bolted connection, rectangular shape adjustment groove 11 has been seted up on the right angle limit of right angle baffle 10, the bolt passes adjustment groove 11 and compresses tightly right angle baffle 10 in one side of binding clip 1, through the position of adjusting bolt in adjustment groove 11, confirm the work piece that draws close to in right angle baffle 10 one side and stretch into the position in C shape binding clip 1, thereby can further confirm the drift to the punching press position of work piece, not only can make the work piece support when the punching press and lean on in right angle baffle 10 side, improve the stability of punching press process, and certain adjustability also has.

Example 2

As shown in fig. 1-2, in this embodiment, which is further defined based on embodiment 1, a set of handles 12 is further connected to the top of the motor housing 15, a switch 13 is disposed on each handle 12 for controlling the activation and deactivation of the motor assembly, and a power cord guide 14 is further disposed for guiding the power cord, so that the power cord for electrically connecting the motor assembly can be connected to an external power connector through the inner housing of the handle 12 and the power cord guide 14, thereby ensuring that the hand does not directly contact the power cord when being held.

The utility model discloses a theory of operation is:

when in use, the device is firstly connected with an external power supply through a power line; the theory of operation and the inside operating structure of piercing press are the same basically with the theory of operation and the inside operating mechanism of piercing press on the market, can refer to, and handheld piercing press constantly pushes away hydraulic system in the pump body 4 through the pump body in the use and presses the sub-mould 2 to the punching press female mould 3 with the work piece shaping of punching a hole, increases when using long, and the oil temperature can rise thereupon and cause equipment availability factor to reduce in the pump body 4, through the utility model discloses the oil temperature in the pump body 4 can effectively be reduced to outer circulation water cooling device 6, improve equipment's availability factor, the utility model discloses a principle is that send water to outer circulation water cooling device 6 through external suction pump in through water inlet port 63 and cool off, and the built-in porose rand 65 that uses of outer circulation water cooling device 6 inside circulation basin 61, and hole rand 65 upper portion is equipped with sealing washer 66 for circulation basin 61 in the later stage of being convenient for maintain and prevent revealing of cooling water, flow out to the water storage bucket through water outlet port 64 again in, thereby the temperature that the hydraulic oil in 4 that circulates fast reduces of pump body improves efficiency, has better practicality, and the pump body is simple operation, and convenient.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a handheld outer circulating water cooling piercing press, including fixing binding clip (1) on the bottom plate and installing in binding clip (1) C shape opening and relative punching press submodule utensil (2) and the female mould of punching press (3) that set up, the pump body (4) are installed at the top of binding clip (1), hydraulic system in the pump body (4) promotes punching press submodule utensil (2) of hydraulic rod end (5) to punching press female mould (3) top and with the work piece shaping that punches a hole, a serial communication port, still including arranging pump body (4) top and through circulating water cooling device (6) of screw connection between the pump body (4) and motor casing (15) in, install motor module in motor casing (15), motor module's drive shaft passes and sets up through the through-hole (9) and the pump body (4) at circulating water cooling device (6) center and links to each other, and is used for the hydraulic system in the motor drive pump body (4) realizes the circulation, annular circulating water cooling device (6) has seted up circulating water tank (61), the one end of circulating water tank (61) is by spacer (62) interval, and the suction block (62) is provided with external connection port (64) and cooling water outlet port (64), the cooling port (64) is carried out through the external connection of intaking.

2. The hand-held external circulating water cooling punching machine according to claim 1, wherein the top opening of the circulating water tank (61) is provided with a clamping groove for placing the hole collar (65), the top opening of the circulating water tank (61) is hermetically connected by a set of sealing rings (66), and the bottom ends of the sealing rings (66) abut against the hole collar (65).

3. The hand-held external circulating water cooling punching machine according to claim 1, wherein the top and bottom of the pump body (4) are further provided with sealing gaskets respectively spaced between the external circulating water cooling device (6) and the pump body (4) and between the pump body (4) and the clamp head (1).

4. The hand-held external circulating water cooling punching machine is characterized in that the peripheries of the motor shell (15) and the pump body (4) are provided with screw connection sleeves (7) for screws to pass through, through holes (8) for screws to pass through are further formed in the circulating water cooling device (6), the through holes (8) are located between the circulating water tank (61) and the through holes (9), and the detachable connection of the motor shell (15), the pump body (4) and the circulating water cooling device (6) is completed by butting the screw connection sleeves (7) for screws to pass through.

5. The hand-held external circulation water cooling punching machine is characterized in that one side of the tong head (1) is connected with a group of right-angle baffles (10) through bolts, a long-strip-shaped adjusting groove (11) is formed in a right-angle edge of each right-angle baffle (10), and the bolts penetrate through the adjusting grooves (11) and press the right-angle baffles (10) on one side of the tong head (1).

6. The hand-held external circulation water cooling punching machine is characterized in that a group of handles (12) are connected to the top of the motor shell (15), a switch (13) for controlling the starting and stopping of the motor assembly is arranged on each handle (12), and a power wire guide sleeve (14) for guiding a power wire is further arranged on each handle.