CN218461589U

CN218461589U - Special fixture for numerical control boring machine

Info

Publication number: CN218461589U
Application number: CN202222263756.8U
Authority: CN
Inventors: 高跃辉; 孟茹勋; 赵丹; 赵士华; 吕阳
Original assignee: Tianjin Intelligent Star Machinery Co ltd
Current assignee: Tianjin Intelligent Star Machinery Co ltd
Priority date: 2022-08-27
Filing date: 2022-08-27
Publication date: 2023-02-10
Anticipated expiration: 2032-08-27

Abstract

The utility model relates to a numerical control boring machine special fixture, including the boring machine workstation, the last perpendicular to surface of boring machine workstation is fixed with two risers, is fixed with the control storehouse between two relative one sides of riser, the upper surface of boring machine workstation is equipped with positioning mechanism, the upper surface of boring machine workstation is equipped with cooling body. This numerical control boring machine special fixture has set up cooling body in this numerical control boring machine special fixture, through mutually supporting between each structure in the cooling body, through setting up cooling fluid reservoir, delivery pump, drain pipe, spray the cover, can be in the in-process to work piece, the coolant liquid blowout in the cooling fluid reservoir, cool down to the air around the work piece, prevent the phenomenon that the work piece from appearing the thermal expansion, guaranteed the machining precision of numerical control boring machine, improved this numerical control boring machine special fixture's practicality on the whole, deuterogamy positioning mechanism, played good location effect to the work piece.

Description

Special fixture for numerical control boring machine

Technical Field

The utility model relates to a numerical control boring machine technical field specifically is a numerical control boring machine special fixture.

Background

The boring machine is a machine tool which mainly uses a boring cutter to bore the existing prefabricated hole of a workpiece, generally, the rotation of the boring cutter is main motion, the movement of the boring cutter or the workpiece is feeding motion, the boring machine is mainly used for machining a high-precision hole or finishing a plurality of holes by positioning at one time, in addition, the boring machine can also be used for machining other machining surfaces related to hole finishing, the machining precision and the surface quality of drilling, milling and cutting can be higher than those of a drilling machine by using different cutters and accessories, and in the process of using the numerical control boring machine, a special fixture of the numerical control boring machine is an indispensable structure and plays a role in centering and fixing the workpiece.

When a workpiece is machined by using a numerical control boring machine, the workpiece to be machined is fixed by a special fixture, and only after the workpiece is fixed, the workpiece can not be displaced in the machining process, so that the machining precision is ensured.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a numerical control boring machine special fixture possesses and carries out refrigerated advantage to the work piece, has solved the problem that metal work piece appears the thermal expansion phenomenon in the course of working.

In order to achieve the above object, the utility model provides a following technical scheme: a special fixture for a numerical control boring machine comprises a boring machine workbench, wherein two vertical plates are vertically fixed on the upper surface of the boring machine workbench, a control cabin is fixed between opposite sides of the two vertical plates, a positioning mechanism is arranged on the upper surface of the boring machine workbench, and a cooling mechanism is arranged on the upper surface of the boring machine workbench;

the positioning mechanism comprises a driving assembly and a fixing assembly, the driving assembly comprises an air cylinder fixed on the upper surface of a boring machine workbench, a transmission rod is fixed on the outer side of an output shaft of the air cylinder, the other end of the transmission rod penetrates through the air cylinder and extends into the control cabin, first connecting plates are fixed on the left side and the right side of the transmission rod, one side, away from the transmission rod, of each first connecting plate is hinged to a second connecting plate through a hinge frame, one side, away from the first connecting plate, of each second connecting plate is hinged to a third connecting plate through a hinge frame, and two shaft rods are fixed inside the control cabin.

Further, the lower surface of the control bin is provided with a movable hole for the transmission rod to penetrate through, and the movable hole is in clearance fit with the transmission rod.

Further, a protective cover is fixed on the upper surface of the boring machine workbench, and the air cylinder is located inside the protective cover.

Furthermore, the fixing assembly comprises a half gear sleeved on the outer side of the shaft rod, a sliding rod is fixed between the left side wall and the right side wall of the inner cavity of the control bin, the outer side of the half gear is meshed with a toothed plate, and a positioning plate is fixed on the upper surface of the toothed plate.

Furthermore, the toothed plate is connected to the outer side of the sliding rod in a sliding mode, and one side, far away from the second connecting plate, of the third connecting plate is hinged to the half gear through the hinge frame.

Further, the cooling mechanism comprises a cooling liquid tank fixed on the upper surface of the boring machine workbench, a delivery pump is fixed on the upper surface of the boring machine workbench, the output end of the delivery pump is communicated with a liquid outlet pipe, a support frame is fixed on the upper surface of the vertical plate on the right side, and a spraying sleeve is fixed on the left side of the support frame.

Further, the movable opening that supplies the effluent pipe to run through is seted up on the right side of support frame, the delivery pump was kept away from to the drain pipe one end and the right side intercommunication that sprays the cover, the input intercommunication of delivery pump has the feed liquor pipe of the other end and cooling fluid reservoir right side intercommunication.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this numerical control boring machine special fixture has set up cooling body in this numerical control boring machine special fixture, through mutually supporting between each structure among the cooling body, through setting up cooling fluid tank, delivery pump, drain pipe, spraying the cover, can be to the in-process of work piece processing, with the coolant liquid blowout in the cooling fluid tank, cool down to the air around the work piece, prevent that the work piece from appearing the phenomenon of thermal expansion, guaranteed the machining precision of numerical control boring machine, improved this numerical control boring machine special fixture's practicality on the whole.

2. The special fixture for the numerical control boring machine is provided with the positioning mechanism, and metal workpieces to be machined can be fixed through mutual matching of structures in the positioning mechanism and mutual matching of structures in the positioning mechanism, so that the metal workpieces are prevented from being subjected to position deviation in the machining process.

Drawings

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

FIG. 2 is a schematic view of the cooling mechanism of the present invention;

fig. 3 is a schematic view of the positioning mechanism of the present invention.

In the figure: the device comprises a boring machine workbench, a 2 vertical plate, a 3 control cabin, a 4 positioning mechanism, a 401 air cylinder, a 402 transmission rod, a 403 first connecting plate, a 404 second connecting plate, a 405 third connecting plate, a 406 shaft rod, a 407 half gear, a 408 sliding rod, a 409 toothed plate, a 410 positioning plate, a 5 cooling mechanism, a 501 cooling liquid tank, a 502 delivery pump, a 503 liquid outlet pipe, a 504 support frame and a 505 spraying sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the special fixture for the numerical control boring machine in the embodiment includes a boring machine table 1, the boring machine table 1 is a structure common in the numerical control boring machine, two vertical plates 2 are vertically fixed on an upper surface of the boring machine table 1, a control cabin 3 is fixed between opposite sides of the two vertical plates 2, the control cabin 3 is a cuboid with a hollow interior, an upper surface of the control cabin 3 is a platform for placing a metal workpiece, a positioning mechanism 4 is arranged on the upper surface of the boring machine table 1, and a cooling mechanism 5 is arranged on the upper surface of the boring machine table 1.

Referring to fig. 2, in order to cool the metal workpiece during machining and prevent the metal workpiece from thermal expansion, the cooling mechanism 5 in this embodiment includes a cooling liquid tank 501 fixed on the upper surface of the boring machine table 1, the cooling liquid tank 501 is a container for holding cooling liquid, the cooling liquid is a common article in the market, and is not described in detail herein, a delivery pump 502 is fixed on the upper surface of the boring machine table 1, the delivery pump 502 is a common article in the market and has a delivery function on a liquid medium, and is not described in detail herein, an output end of the delivery pump 502 is communicated with a liquid outlet pipe 503, a support frame 504 is fixed on the upper surface of the right vertical plate 2, a spray sleeve 505 is fixed on the left side of the support frame 504, and the support frame 504 plays a supporting role on the spray sleeve 505.

Wherein, the movable opening that supplies outlet pipe 503 to run through is seted up on the right side of support frame 504, and the one end that delivery pump 502 is kept away from to outlet pipe 503 is communicated with the right side of spraying cover 505, and outlet pipe 503 is the passageway that coolant liquid reachd from delivery pump 502 and sprays cover 505, and the input intercommunication of delivery pump 502 has the other end and the inlet liquor pipe of coolant liquid jar 501 right side intercommunication, and the inlet liquor pipe is the passageway that coolant liquid reachd delivery pump 502 in the coolant liquid jar 501.

It should be noted that the left side of the spraying sleeve 505 is communicated with at least two high-pressure aerosol nozzles, which are common articles in the market and are not described in detail herein.

It can be understood that, when the delivery pump 502 starts, the coolant liquid in the coolant liquid tank 501 reaches the delivery pump 502 through the feed liquor pipe, then reaches the left spraying cover 505 of the support frame 504 through the drain pipe 503 of the output end of the delivery pump 502, and finally is sprayed out from the high-pressure aerial fog nozzle on the left side of the spraying cover 505, so that the air around the metal workpiece is cooled, the phenomenon of thermal expansion of the metal workpiece is prevented, and the processing precision is ensured.

Referring to fig. 3, in order to position a metal workpiece and prevent a position deviation from occurring in a machining process, the positioning mechanism 4 in this embodiment includes a driving assembly and a fixing assembly, the driving assembly includes a cylinder 401 fixed on an upper surface of the boring machine table 1, a driving rod 402 is fixed on an outer side of an output shaft of the cylinder 401, and another end of the driving rod penetrates through and extends into the control cabin 3, first connecting plates 403 are fixed on left and right sides of the driving rod 402, a second connecting plate 404 is hinged to one side of the first connecting plate 403 away from the driving rod 402 through a hinge bracket, a third connecting plate 405 is hinged to one side of the second connecting plate 404 away from the first connecting plate 403 through a hinge bracket, and two shaft rods 406 are fixed inside the control cabin 3.

Wherein, the lower surface of control cabin 3 is seted up and is supplied the movable hole that transfer line 402 runs through, and the movable hole and transfer line 402 clearance fit, the upper surface of boring machine workstation 1 is fixed with the safety cover, and cylinder 401 is located the inside of safety cover, and the safety cover plays the guard action to cylinder 401.

The fixing assembly comprises a half gear 407 sleeved on the outer side of the shaft lever 406, the shaft lever 406 plays a supporting role for the half gear 407, a sliding rod 408 is fixed between the left side wall and the right side wall of the inner cavity of the control bin 3, the outer side of the half gear 407 is meshed with a toothed plate 409, a positioning plate 410 is fixed on the upper surface of the toothed plate 409, rubber pads are fixed on one sides of the two positioning plates 410, the rubber pads are soft in texture, and metal workpieces cannot be damaged by clamping.

The toothed plate 409 is slidably connected to the outer side of the sliding rod 408, and one side of the third connecting plate 405 away from the second connecting plate 404 is hinged to the half gear 407 through a hinge frame.

It can be understood that when the half gear 407 rotates, the toothed plate 409 engaged at the outer side thereof makes a left-right linear motion at the outer side of the sliding rod 408, and the sliding rod 408 supports and limits the toothed plate 409.

It should be noted that a moving opening for the positioning plate 410 to move left and right is formed in the upper surface of the control cabin 3, and when the toothed plate 409 moves, the positioning plate 410 is driven to move left and right in the moving opening.

The working principle of the above embodiment is as follows:

(1) When a metal workpiece needs to be machined by using the numerical control boring machine, firstly, a worker puts the metal workpiece needing to be machined at a designated position on the upper surface of the control cabin 3, then the air cylinder 401 is started, the air cylinder 401 drives the transmission rod 402 to move downwards, when the transmission rod 402 moves downwards, the first connecting plates 403 on the left side and the right side of the transmission rod 402 are driven to move downwards simultaneously under the action of the hinge brackets, when the first connecting plates 403 move downwards, the two second connecting plates 404 are driven to rotate, the third connecting plates 405 are driven to rotate simultaneously by the rotation of the second connecting plates 404, the half gear 407 is driven to rotate on the outer side of the shaft rod 406 by the rotation of the third connecting plates 405, and at the moment, the two toothed plates 409 meshed on the outer side of the half gear 407 move towards the direction close to the central axis of the control cabin 3.

(2) When the toothed plate 409 moves, the toothed plate 409 slides at the outer side of the sliding rod 408, the sliding rod 408 plays a supporting and limiting role on the toothed plate 409, the two toothed plates 409 move towards the direction close to the central axis of the control bin 3, the positioning plate 410 is driven to move towards the direction close to the central axis of the control bin 3, when the rubber pads on the opposite sides of the two positioning plates 410 are in contact with metal workpieces, the air cylinder 401 is closed, the metal workpieces are fixed on the upper surface of the control bin 3 at the moment, the delivery pump 502 is started, the effect of the delivery pump 502 is received, cooling liquid in the cooling liquid tank 501 reaches the delivery pump 502 through the liquid inlet pipe, then reaches the spraying sleeve 505 on the left side of the support frame 504 through the liquid outlet pipe 503 at the output end of the delivery pump 502, and is finally sprayed out from the high-pressure aerosol nozzle on the left side of the spraying sleeve 505, the air around the metal workpieces is cooled, the phenomenon of thermal expansion of the metal workpieces is prevented, and the machining precision is guaranteed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a numerical control boring machine special fixture, includes boring machine workstation (1), its characterized in that: the upper surface of the boring machine workbench (1) is vertically fixed with two vertical plates (2), a control cabin (3) is fixed between the opposite sides of the two vertical plates (2), the upper surface of the boring machine workbench (1) is provided with a positioning mechanism (4), and the upper surface of the boring machine workbench (1) is provided with a cooling mechanism (5);

the positioning mechanism (4) comprises a driving assembly and a fixing assembly, the driving assembly comprises an air cylinder (401) fixed on the upper surface of the boring machine workbench (1), a transmission rod (402) with the other end penetrating through and extending into the control cabin (3) is fixed on the outer side of an output shaft of the air cylinder (401), first connecting plates (403) are fixed on the left side and the right side of the transmission rod (402), one side, away from the transmission rod (402), of each first connecting plate (403) is hinged to a second connecting plate (404) through a hinge frame, one side, away from the first connecting plate (403), of each second connecting plate (404) is hinged to a third connecting plate (405) through a hinge frame, and two shaft levers (406) are fixed inside the control cabin (3).

2. The special clamp for the numerical control boring machine according to claim 1, wherein: the lower surface of the control bin (3) is provided with a movable hole for the transmission rod (402) to penetrate through, and the movable hole is in clearance fit with the transmission rod (402).

3. The special clamp for the numerical control boring machine according to claim 1, wherein: the upper surface of the boring machine workbench (1) is fixed with a protective cover, and the air cylinder (401) is located inside the protective cover.

4. The special clamp for the numerical control boring machine according to claim 1, wherein: the fixing assembly comprises a half gear (407) sleeved on the outer side of the shaft rod (406), a sliding rod (408) is fixed between the left side wall and the right side wall of the inner cavity of the control cabin (3), a toothed plate (409) is meshed on the outer side of the half gear (407), and a positioning plate (410) is fixed on the upper surface of the toothed plate (409).

5. The special clamp for the numerical control boring machine according to claim 4, wherein: the toothed plate (409) is connected to the outer side of the sliding rod (408) in a sliding mode, and one side, far away from the second connecting plate (404), of the third connecting plate (405) is hinged to the half gear (407) through a hinge frame.

6. The special clamp for the numerical control boring machine according to claim 1, wherein: the cooling mechanism (5) comprises a cooling liquid tank (501) fixed on the upper surface of the boring machine workbench (1), a delivery pump (502) is fixed on the upper surface of the boring machine workbench (1), the output end of the delivery pump (502) is communicated with a liquid outlet pipe (503), a support frame (504) is fixed on the upper surface of the vertical plate (2) on the right side, and a spraying sleeve (505) is fixed on the left side of the support frame (504).

7. The special clamp for the numerical control boring machine according to claim 6, wherein: the right side of support frame (504) is seted up and is supplied the activity mouth that liquid outlet pipe (503) run through, the one end that delivery pump (502) were kept away from in liquid outlet pipe (503) with spray the right side intercommunication of cover (505), the input intercommunication of delivery pump (502) has the feed liquor pipe of the other end and cooling liquid tank (501) right side intercommunication.