Special-shaped copper pipe drilling machine

Abstract

The utility model discloses a special-shaped copper pipe drilling machine which comprises a main machine frame, a vertical supporting column is fixed to the middle of the top face of a top plate of the main machine frame, a horizontal clamping device is fixed to the top end of the vertical supporting column, and a clamping fixing block is fixed to the top face of a horizontal fixing plate of the horizontal clamping device. A rear clamping plate is formed on the top face of the rear portion of the clamping fixing block, a rear groove extending leftwards and rightwards is formed in the upper portion of the front wall face of the rear clamping plate, a front clamping plate is arranged in front of the rear clamping plate, a front groove is formed in the upper portion of the rear wall face of the front clamping plate, and the middle transverse pipe portion of a copper pipe to be machined is clamped between the front groove and the rear groove. A horizontal supporting block is fixed to one side of the top face of the horizontal fixing plate, an upper containing groove extending front and back is formed in the top face of the horizontal supporting block, and a pipe part extending front and back and formed on one side of the copper pipe is inserted into the corresponding upper containing groove in a sleeved mode. A special-shaped copper pipe can be clamped, fixed and horizontally supported through the horizontal clamping device and the horizontal supporting block.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat exchanger processing equipment technical field more specifically relates to a special-shaped copper pipe drilling machine. BACKGROUND

[0002] The evaporator and the condenser are important components in air conditioning refrigeration system, the evaporator and the condenser are generally provided with the pipeline system formed by heat exchange pipe, the main pipe and branch pipe of its pipeline system are usually connected by welding, the existing process mode is generally drilling a hole matched with the branch pipe on the main pipe, then inserting the branch pipe into the hole and welding and fixing, however, since the branch pipe and the main pipe only contact at the edge of the hole, the small contact area can easily lead to unstable connection between the two, and gaps can also easily occur to cause leakage of the cooling liquid in the pipe.

[0003] Therefore, the Chinese patent application No. 201922114676.4, a drilling and hole pulling head, includes a drill bit capable of drilling holes, a sleeve that can rotate with the drill bit and slide up and down relative to the drill bit, and a plurality of hole pulling needles that can be retracted into the drill bit and pushed out to the outside of the drill bit by the sleeve when the sleeve slides relative to the drill bit. The drilling and hole pulling operation can improve work efficiency and reduce enterprise costs.

[0004] This component greatly improves work efficiency, but the processing equipment assembled with this structure can only clamp straight pipes and cannot clamp and fix special-shaped copper pipes with bending parts, so it cannot process such special-shaped copper pipes. Utility model content

[0005] The utility model aims at overcoming the insufficient of prior art, provides a special-shaped copper pipe drilling machine, it can clamp and fix and horizontally support the special-shaped copper pipe through horizontal clamping device and horizontal support block, realizes drilling and hole pulling one-time operation by adopting drilling and hole pulling head, thereby realizes the processing of special-shaped copper pipe, and the processing effect is good, and the efficiency is high.

[0006] The utility model solves the technical problem by the following scheme:

[0007] The utility model provides a special-shaped copper pipe drilling machine, including mainframe, the top surface middle part of the top plate of mainframe is fixed with vertical support column, the top end of vertical support column is fixed with horizontal clamping device, the copper pipe of waiting for processing is clamped on horizontal clamping device, the top surface of the top plate of mainframe is fixed with two vertical support rods, the top end of two vertical support rods is fixed with upper fixed plate, the top end of two vertical support rods is fixed with upper fixed plate, the upper part of vertical lifting screw is rotatably connected on upper fixed plate through bearing, the bottom end of vertical lifting screw is rotatably connected on the top plate of mainframe through bearing, lifting block is screwed on vertical lifting screw, the front wall surface of lifting block is fixed with vertical fixed plate,

[0008] The front wall surface middle part of vertical fixed plate is fixed with drilling main shaft reduction box, the main shaft of drilling main shaft reduction box is out of the bottom surface of drilling main shaft reduction box and is fixed with drilling pullout head, the bottom end of drill bit of drilling pullout head is opposite the top surface of the corresponding position of copper pipe,

[0009] The top surface middle part of vertical fixed plate is fixed with upper support frame, the top surface middle part of the top plate of upper support frame is fixed with lifting cylinder, the bottom end of push rod of lifting cylinder is out of the bottom surface of the top plate of upper support frame and is fixed with upper lifting plate, the left part and the right part of upper lifting plate are all fixed with vertical guide rod, two vertical guide rods are inserted in guide sleeve body fixed on the lower part front wall surface of vertical fixed plate, the bottom end of two vertical guide rods is out of the bottom end of two guide sleeve bodies and is fixed with same bottom pressing plate, the top surface middle part of bottom pressing plate is formed with center concave hole, the bottom surface middle part of center concave hole is formed with center through hole, the bottom surface of the shell of drilling pullout head is close to the top surface of center concave hole, the drill bit of drilling pullout head is inserted in center through hole, and the bottom end thereof is out of the bottom end of center through hole.

[0010] The top surface middle part of upper fixed plate is fixed with motor frame, lifting motor is fixed on the top surface of the top plate of motor frame, the bottom end of output shaft of lifting motor is out of the bottom surface of the top plate of motor frame, the top end of vertical lifting screw is out of the top surface of upper fixed plate and is connected with the output shaft of lifting motor through shaft coupling.

[0011] The rear wall surface of vertical fixed plate is fixed with rear motor frame, and drilling motor is fixed on the rear motor frame, and the drilling motor drives the drilling main shaft reduction box to run.

[0012] The horizontal clamping device comprises a horizontal fixing plate fixed on the top surface of the vertical supporting column, a clamping fixing block fixed on the top surface of the horizontal fixing plate, a rear clamping plate formed on the rear top surface of the clamping fixing block, a rear groove extending leftward and rightward formed on the front wall surface upper portion of the rear clamping plate, an arc-shaped wall surface of the inner wall surface of the rear groove, a front fixing plate fixed on the front wall surface of the clamping fixing block, a guide through hole formed on the middle portion of the front fixing plate, a guide sleeve in the guide through hole, the outer side wall of the guide sleeve being pressed against and welded on the inner side wall of the guide through hole, a telescopic rod inserted into the guide sleeve, the rear end of the telescopic rod extending out of the rear end of the guide sleeve and movably connected with a front clamping plate, a front groove formed on the rear wall surface upper portion of the front clamping plate, an arc-shaped wall surface of the inner wall surface of the front groove, the middle transverse pipe portion of the copper pipe being between the front groove and the rear groove and clamped between the inner side walls of the front groove and the rear groove, a limiting rod fixed on the side wall of the front portion of the telescopic rod, an upper through groove extending forward and backward formed on the top surface of the front portion of the guide sleeve, the upper through groove being communicated with the forward and backward extending central through hole of the middle portion of the guide sleeve, and side through grooves extending downward formed at the left and right sides of the upper through groove, the limiting rod being clamped at the corresponding side through groove.

[0013] The middle portion of the top surface of the front groove and the rear groove is formed with an upward extending through groove, and the through groove is directly below the drill bit.

[0014] The protruding effect of the present application is:

[0015] Compared with the prior art, the horizontal clamping device and the horizontal supporting block can clamp and fix the special-shaped copper pipe and support it horizontally, the drilling and tapping head can realize one-time drilling and tapping operation, and thus the processing of the special-shaped copper pipe is realized, the processing effect is good, and the efficiency is high. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a structural schematic view of the present application;

[0017] Figure 2 is a partial structural schematic view of the present application without the front portion fixed protection cover shell and other components of the vertical fixing plate;

[0018] Figure 3 is Figure 2 the angle changing partial structural schematic view of

[0019] Figure 4 is a partial structural schematic view of the bottom pressing plate of the present application;

[0020] Figure 5 is a partial structural schematic view between the horizontal clamping device and the drill bit. DETAILED DESCRIPTION

[0021] Embodiment, see as Figures 1 to 5As shown, a special-shaped copper pipe drilling machine, including main frame 10, the top surface of the top plate of the main frame 10 is fixed with a vertical support column 11, the top end of the vertical support column 11 is fixed with a horizontal clamping device 20, the copper pipe 100 to be processed is clamped on the horizontal clamping device 20, the top surface of the top plate of the main frame 10 is fixed with two vertical support rods 12, the top end of the two vertical support rods 12 is fixed with an upper fixed plate 13, the top end of the two vertical support rods 12 is fixed with an upper fixed plate 13, the upper part of the vertical lifting screw 14 is movably connected to the upper fixed plate 13 through the bearing, the bottom end of the vertical lifting screw 14 is movably connected to the top plate of the main frame 10 through the bearing, the lifting block 15 is screwed on the vertical lifting screw 14, and the front wall surface of the lifting block 15 is fixed with a vertical fixed plate 30; the rear wall surface of the vertical fixed plate 30 is fixed with a plurality of rear guide sliding blocks 2 on the left and right parts, and the front wall surface of the two vertical support rods 12 is fixed with a vertical guide rail 3, the rear guide sliding block 2 is inserted into the corresponding vertical guide rail 3 and matches with the vertical guide rail 3.

[0022] The front wall surface of the vertical fixed plate 30 is fixed with a drilling main shaft reduction box 31, the main shaft of the drilling main shaft reduction box 31 extends out of the bottom surface of the drilling main shaft reduction box 31 and is fixed with a drilling tapping head 40, the drill bit 41 of the drilling tapping head 40 is directed at the top surface of the corresponding position of the copper pipe 100; a protective shell is fixed on the front wall surface of the vertical fixed plate 30, and the drilling main shaft reduction box 31 and other corresponding components are in the protective shell;

[0023] The top surface of the vertical fixed plate 30 is fixed with an upper support frame 32, the top surface of the top plate of the upper support frame 32 is fixed with a lifting cylinder 33, the bottom end of the push rod of the lifting cylinder 33 extends out of the bottom surface of the top plate of the upper support frame 32 and is fixed with an upper lifting plate 34, the left and right parts of the upper lifting plate 34 are fixed with vertical guide rods 35, the two vertical guide rods 35 are inserted into guide sleeve bodies 36 fixed on the lower front wall surface of the vertical fixed plate 30, the outer side wall of the vertical guide rod 35 is tightly attached to the inner side wall of the corresponding guide sleeve body 36, the bottom end of the two vertical guide rods 35 extends out of the bottom end of the two guide sleeve bodies 36 and is fixed with a same bottom pressing plate 37, the top surface of the bottom pressing plate 37 is formed with a center concave hole 371, the bottom surface of the center concave hole 371 is formed with a center through hole 372, the bottom surface of the shell of the drilling tapping head 40 is close to the top surface of the center concave hole 371, and the drill bit 41 of the drilling tapping head 40 is inserted into the center through hole 372, and the bottom end of the drill bit 41 extends out of the bottom end of the center through hole 372.

[0024] Further, the top surface of the upper fixing plate 13 is fixed with a motor bracket 131, and a lifting motor 132 is fixed on the top surface of the top plate of the motor bracket 131, the bottom end of the output shaft of the lifting motor 132 extends out of the bottom surface of the top plate of the motor bracket 131, and the top end of the vertical lifting screw rod 14 extends out of the top surface of the upper fixing plate 13 and is connected with the output shaft of the lifting motor 132 through a shaft coupling (the shaft coupling is not shown in Figure 1 the remaining drawings are omitted).

[0025] Further, the rear wall surface of the vertical fixing plate 30 is fixed with a rear motor bracket 38, and a drilling motor 39 is fixed on the rear motor bracket 38, the output shaft of the drilling motor 39 is fixed with a driving synchronous pulley 391, the top end of the input shaft of the drilling main shaft reduction box 31 extends out of the top surface of the drilling main shaft reduction box 31 and is fixed with a transmission synchronous pulley 311, and the synchronous belt 1 is tensioned on the driving synchronous pulley 391 and the transmission synchronous pulley 311.

[0026] Further, the horizontal clamping device 20 comprises a horizontal fixing plate 21 fixed on the top surface of the vertical supporting column 11, the top surface of the horizontal fixing plate 21 is fixed with a clamping fixing block 22, the top surface of the rear part of the clamping fixing block 22 is formed with a rear clamping plate 23, the front wall surface of the upper part of the rear clamping plate 23 is formed with left and right extending rear grooves, the inner wall surface of the rear grooves is arc-shaped, the front wall surface of the clamping fixing block 22 is fixed with a front fixing plate 24, the middle part of the front fixing plate 24 is formed with a guide through hole, a guide sleeve 25 is in the guide through hole, the outer side wall of the guide sleeve 25 is pressed against and welded on the inner side wall of the guide through hole, a telescopic rod 26 is inserted into the guide sleeve 25, the rear end of the telescopic rod 26 extends out of the rear end of the guide sleeve 25 and is movably connected with a front clamping plate 27, the rear wall surface of the upper part of the front clamping plate 27 is formed with a front groove, the inner wall surface of the front groove is arc-shaped, the middle transverse pipe part of the copper pipe 100 is between the front groove and the rear groove and is clamped between the inner side walls of the front groove and the rear groove, a limiting rod 261 is fixed on the side wall of the front part of the telescopic rod 26, the top surface of the front part of the guide sleeve 25 is formed with an upward and downward extending upper through groove, the upper through groove is communicated with the front and rear extending central through hole of the middle part of the guide sleeve 25, and left and right side through grooves 251 extending downward are formed at the left and right sides of the upper through groove, and the limiting rod 261 is clamped in the corresponding side through groove 251.

[0027] Further, the top surface of the front groove and the rear groove is formed with an upward extending through groove, and the through groove is directly below the drill bit 41.

[0028] Further, one side of the top surface of the horizontal fixing plate 21 is fixed with a horizontal supporting block 28, the top surface of the horizontal supporting block 28 is formed with an upper placing groove extending forward and backward, the bottom surface of the upper placing groove is an arc-shaped wall surface, the one side of the copper pipe 100 is formed with a pipe part extending forward and backward which is inserted into the corresponding upper placing groove, and the bottom surface of the pipe part extending forward and backward of the one side of the copper pipe 100 is tightly attached to the inner wall surface of the corresponding upper placing groove.

[0029] In use, the pipe part extending forward and backward of the one side of the special-shaped copper pipe 100 is inserted into the corresponding upper placing groove, and the bottom surface of the pipe part extending forward and backward of the one side of the copper pipe 100 is tightly attached to the inner wall surface of the corresponding upper placing groove. That is, the pipe part extending forward and backward formed by the bending of the one side of the copper pipe 100 can be horizontally supported by the upper placing groove of the horizontal supporting block 28; the pipe body part of the copper pipe 100 which needs to be drilled is located between the front groove and the rear groove, then the middle transverse pipe part of the copper pipe 100 is clamped between the inner side walls of the front groove and the rear groove by manually pushing the telescopic rod 26, at this time, the telescopic rod 26 is rotated, the limiting rod 261 is inserted into the corresponding side through groove 251, and at the same time, the front side wall thereof is pressed against the front inner side wall of the corresponding side through groove 251 to achieve clamping (at this time, the distance between the inner side walls of the front groove and the rear groove is slightly smaller than the outer diameter of the middle transverse pipe of the copper pipe 100, so that the middle transverse pipe of the copper pipe 100 has a small elastic deformation by the pressing of the front clamping plate 27 when clamped, so as to clamp and fix the middle transverse pipe of the copper pipe 100, facilitating subsequent drilling processing);

[0030] That is, the copper pipe 100 is clamped and supported as a whole in the embodiment.

[0031] Then, the drill bit 41 is rotated by the operation of the drilling motor 39, and the drill bit 41 is lowered by the operation of the lifting motor 132, so that the top surface of the middle transverse pipe of the copper pipe 100 can be drilled (the drilling hole in the embodiment is 5mm), after completion, the bottom pressing plate 37 is lifted by the retraction of the push rod of the lifting cylinder 33, the bottom surface of the center recess hole 371 is lifted and pressed against the bottom surface of the shell of the drilling and tapping head 40 and lifts it, so that the tapping pins on both sides of the drill bit 41 are stretched out from both sides of the drill bit 41, then the output shaft of the lifting motor 132 is reversely rotated, the drill bit 41 is lifted in a rotating state, the inner side wall of the drilling part of the middle transverse pipe of the copper pipe 100 is pulled up and lifted to form a sleeve body, then the output shaft of the drilling motor 39 is reversed, and the tapping pins are retracted to the original position;

[0032] The drilling and tapping head 40 used in the embodiment can adopt a drilling and tapping head with Chinese patent application number 201922114676.4 or other products that can be directly purchased on the market, which will not be described in detail here.

[0033] The embodiment has simple structure, firm clamping, good drilling and tapping effect and high efficiency.

[0034] Finally, the above embodiments are only used for illustrating the utility model, and are not used for limiting the utility model, and the ordinary skilled in the art can make various changes and modifications without departing from the spirit and scope of the utility model, therefore, all equivalent technical schemes also belong to the scope of the utility model, and the patent protection scope of the utility model should be defined by the claims.

Claims

1. A profiled copper tube drilling machine comprising a main frame (10) characterised in that: The top surface of the top plate of the main rack (10) is fixed with a vertical support column (11), the top end of the vertical support column (11) is fixed with a horizontal clamping device (20), the top surface of the horizontal fixing plate (21) of the horizontal clamping device (20) is fixed with a clamping fixed block (22), the rear top surface of the clamping fixed block (22) is formed with a rear clamping plate (23), the front wall surface of the rear clamping plate (23) is formed with a rear groove extending left and right, the front of the rear clamping plate (23) is provided with a front clamping plate (27), the rear wall surface of the front clamping plate (27) is formed with a front groove, the middle transverse pipe part of the copper pipe (100) to be processed is clamped between the front groove and the rear groove, one side of the top surface of the horizontal fixing plate (21) is fixed with a horizontal support block (28), the top surface of the horizontal support block (28) is formed with a front and rear extending upper placing groove, the bottom surface of the upper placing groove is an arc-shaped wall surface, the front and rear extending pipe part formed on one side of the copper pipe (100) is inserted into the corresponding upper placing groove, and the bottom surface of the front and rear extending pipe part formed on one side of the copper pipe (100) is tightly attached to the inner wall surface of the corresponding upper placing groove.

2. The machine according to claim 1, characterized in that: The top surface of the top plate of the main rack (10) is fixed with two vertical support rods (12), the upper fixing plate (13) is fixed on the top end of the two vertical support rods (12), the vertical lifting screw rod (14) is movably connected to the upper fixing plate (13) through a bearing, the bottom end of the vertical lifting screw rod (14) is movably connected to the top plate of the main rack (10) through a bearing, the lifting block (15) is screwed on the vertical lifting screw rod (14), and the front wall surface of the lifting block (15) is fixed with a vertical fixing plate (30); The front wall surface of the vertical fixing plate (30) is fixed with a drilling main shaft speed reducer (31), the main shaft of the drilling main shaft speed reducer (31) extends out of the bottom surface of the drilling main shaft speed reducer (31) and is fixed with a drilling hole pulling head (40), and the bottom end of the drill bit (41) of the drilling hole pulling head (40) faces the top surface of the corresponding position of the copper pipe (100); The top surface middle part of the vertical fixed plate (30) is fixed with an upper support frame (32), the top plate top surface middle part of the upper support frame (32) is fixed with a lifting cylinder (33), the bottom end of the push rod of the lifting cylinder (33) extends out of the bottom surface of the top plate of the upper support frame (32) and is fixed with an upper lifting plate (34), the left and right parts of the upper lifting plate (34) are both fixed with vertical guide rods (35), the two vertical guide rods (35) are inserted into the guide sleeve bodies (36) fixed on the lower part front wall surface of the vertical fixed plate (30), the bottom ends of the two vertical guide rods (35) extend out of the bottom ends of the two guide sleeve bodies (36) and are fixed with a same bottom pressing plate (37), the top surface middle part of the bottom pressing plate (37) is formed with a center concave hole (371), the bottom surface middle part of the center concave hole (371) is formed with a center through hole (372), the bottom surface of the shell of the drill hole punch head (40) is close to the top surface of the center concave hole (371), the drill bit (41) of the drill hole punch head (40) is inserted into the center through hole (372) and its bottom end extends out of the bottom end of the center through hole (372).

3. The machine according to claim 2, characterized in that: The top surface middle part of the upper fixed plate (13) is fixed with a motor support (131), a lifting motor (132) is fixed on the top surface of the top plate of the motor support (131), the bottom end of the output shaft of the lifting motor (132) extends out of the bottom surface of the top plate of the motor support (131), the top end of the vertical lifting screw rod (14) extends out of the top surface of the upper fixed plate (13) and is connected with the output shaft of the lifting motor (132) through a shaft coupling.

4. The machine according to claim 2, characterized in that: The rear wall surface of the vertical fixed plate (30) is fixed with a rear motor support (38), the rear motor support (38) is fixed with a drill hole motor (39), the output shaft of the drill hole motor (39) is fixed with a driving synchronous belt pulley (391), the top end of the input shaft of the drill hole spindle speed reducer (31) extends out of the top surface of the drill hole spindle speed reducer (31) and is fixed with a transmission synchronous belt pulley (311), the synchronous belt (1) is tensioned on the driving synchronous belt pulley (391) and the transmission synchronous belt pulley (311).

5. The machine according to claim 2, characterized in that: The horizontal clamping device (20) comprises a horizontal fixing plate (21) fixed on the top surface of the vertical supporting column (11), the inner wall surface of the rear groove is an arc wall surface, the front wall surface of the clamping fixing block (22) is fixed with a front fixing plate (24), the middle part of the front fixing plate (24) is formed with a guide through hole, a guide sleeve (25) is in the guide through hole, the outer side wall of the guide sleeve (25) is pressed and welded on the inner side wall of the guide through hole, the guide sleeve (25) is inserted with a telescopic rod (26), the rear end of the telescopic rod (26) extends out of the rear end of the guide sleeve (25) and is movably connected with a front clamping plate (27), the inner wall surface of the front groove is an arc wall surface, the middle transverse pipe part of the copper pipe (100) is between the front groove and the rear groove, and the copper pipe (100) is clamped between the inner side walls of the front groove and the rear groove, the side wall of the front part of the telescopic rod (26) is fixed with a limiting rod (261), the top surface of the front part of the guide sleeve (25) is formed with an upwardly extending upper through groove, the upper through groove is communicated with the front-rear extending central through hole of the middle part of the guide sleeve (25), and the left and right sides of the upper through groove are formed with downwardly extending side through grooves (251), and the limiting rod (261) is clamped in the corresponding side through groove (251).

6. The machine according to claim 1, wherein: The top surfaces of the front groove and the rear groove are formed with upwardly extending through grooves, and the through grooves are right below the drill bit (41).

7. The machine according to claim 4, characterized in that: The rear wall surface of the vertical fixing plate (30) is fixed with a plurality of rear guide sliding blocks (2) on the left part and the right part, the front wall surfaces of the two vertical supporting rods (12) are fixed with vertical guide rails (3), and the rear guide sliding blocks (2) are inserted on the corresponding vertical guide rails (3) and are matched with the vertical guide rails (3).

Images