Adjustable hole drawing machine for copper pipe

Abstract

The utility model relates to the field of copper pipe hole drawing equipment, in particular to an adjustable hole drawing machine for a copper pipe, which comprises a rack and a hole drawing mechanism, the hole drawing mechanism comprises a mounting block, a lifting cylinder, a plurality of hole drawing heads and a screw, the mounting block is provided with a sliding groove, a piston rod of the lifting cylinder is connected with the mounting block, and the screw is connected with the lifting cylinder. A sliding groove is formed in the mounting block, a plurality of fixing screws I are arranged in the sliding groove, an adjusting block is arranged on each hole pulling head, the adjusting blocks are arranged in the sliding groove in a sliding mode, fixing blocks are arranged on the adjusting blocks, fixing holes I are formed in the fixing blocks, a plurality of fixing holes II are formed in the mounting block, and the fixing screws I are in threaded connection with the fixing holes I and the fixing holes II. When the distance requirements of the copper pipe holes are different, the multiple hole pulling heads on the mounting block are moved, and after the distance between the adjacent hole pulling heads can meet the distance requirements of the copper pipe holes, the hole pulling heads are fixed through the fixing screws. Therefore, different spacing requirements of copper pipe trepanning can be met.

Description

Technical Field

[0001] The utility model relates to the field of copper tube hole pulling equipment, in particular to an adjustable hole pulling machine for copper tubes. Background Art

[0002] The places where copper tubes are connected are usually welded. Before welding, a hole is usually made in one copper tube by a hole-pulling machine, and then another copper tube is inserted into the hole, and finally welding is performed, which can improve the welding quality.

[0003] The existing copper tube hole-pulling machine includes a plurality of lifting and lowering holes, and the spacing between the holes is equal. When it is necessary to open a plurality of holes with equal spacing on the copper tube, the plurality of holes are simultaneously controlled to be lifted and lowered to open holes on the copper tube. However, the spacing between the plurality of holes-pulling heads of the existing copper tube hole-pulling machine is usually a fixed value, which cannot be applied to the different spacing requirements of the copper tube holes, and has limited practicality. Utility Model Content

[0004] The technical problem to be solved by the utility model is that the spacing between a plurality of hole-pulling heads on the existing copper tube hole-pulling machine cannot meet the different spacing requirements for copper tube hole openings.

[0005] The utility model solves the technical problem by adopting the technical scheme as follows: providing an adjustable hole-pulling machine for copper pipes, comprising a frame and a hole-pulling mechanism arranged on the frame, the hole-pulling mechanism comprising a mounting block arranged above the frame, a lifting cylinder for controlling the lifting of the mounting block and a plurality of hole-pulling heads adjustable relative to the mounting block, and a fixing screw 1 for fixing the hole-pulling head, the mounting block is provided with a plurality of sliding grooves for the sliding of the hole-pulling head, the piston rod of the lifting cylinder is connected to the mounting block, each of the hole-pulling heads is provided with an adjusting block, the adjusting block is slidably arranged in the sliding groove, a fixing block is provided on the adjusting block, a fixing hole 1 matched with the fixing screw 1 is provided on the fixing block, a plurality of fixing holes 2 corresponding to the fixing hole 1 are provided on the mounting block, when fixing the hole-pulling head, the fixing screw 1 passes through the corresponding fixing hole 1 and the fixing hole 2, and the fixing screw 1 and the fixing hole 1 and the fixing hole 2 are all threadedly connected.

[0006] Furthermore, the hole-pulling head is provided with a rotating shaft, the rotating shaft is provided with a swing block, the adjusting block is provided with a vertical fixed groove matched with the swing block, the groove wall of the vertical adjusting groove is provided with a swing groove, the swing block can be swingably set in the swing groove, the swing block is provided with a fixing hole three, the adjusting block is provided with a fixing hole four matched with the fixing hole three, the fixing hole four and the swing groove are connected to each other, the hole-pulling mechanism also includes a fixing screw two that is threadedly connected with the fixing hole three and the fixing hole four, when fixing the hole-pulling head, the swing block swings along the swing groove until the fixing hole three and the fixing hole four are connected, and the fixing screw two and the fixing hole three and the fixing hole four are threadedly connected.

[0007] Furthermore, the swing groove is located at one end of the notch away from the vertical fixing groove in the depth direction of the vertical fixing groove.

[0008] Furthermore, a limit block is provided on the adjusting block, a limit groove matched with the limit block is provided on the groove wall of the sliding groove, and the limit block is slidably arranged in the limit groove.

[0009] Furthermore, the adjustable hole-pulling machine for copper pipes also includes a clamping mechanism arranged on the frame, the clamping mechanism includes a first clamping seat and a second clamping seat arranged opposite to each other, and a first telescopic cylinder and a second telescopic cylinder respectively used to control the first clamping seat and the second clamping seat, a first clamping block telescopically arranged on the first clamping seat, and a second clamping block telescopically arranged on the second clamping seat, the first clamping seat is provided with a first through-hole, the second clamping seat is provided with a second through-hole, the piston rod of the first telescopic cylinder passes through the first through-hole, and the piston rod of the first telescopic cylinder is connected to the first clamping block, the piston rod of the second telescopic cylinder passes through the second through-hole, and the piston rod of the second telescopic cylinder is connected to the second clamping block, the first clamping block is provided with a first clamping groove, the second clamping block is provided with a second clamping groove, and the first clamping groove and the second clamping groove are both adapted to the copper pipe.

[0010] Furthermore, when the first clamping block and the second clamping block cooperate to clamp the copper tube, the distance between the first clamping block and the second clamping block is matched with the diameter of the pore extracting head.

[0011] Furthermore, a first flexible pad is provided on the groove wall of the first clamping groove, and a second flexible pad is provided on the groove wall of the second clamping groove.

[0012] Furthermore, the flexible pad 1 and the flexible pad 2 are both arranged in an arc shape.

[0013] Furthermore, the flexible pad 1 is in contact with the first clamping groove, and the flexible pad 2 is in contact with the groove wall of the second clamping groove.

[0014] Furthermore, the length of the flexible pad 1 is matched with the width of the first clamping groove, and the length of the flexible pad 2 is matched with the width of the second clamping groove.

[0015] The beneficial effects of the utility model are as follows: an adjustable hole-pulling machine for copper pipes is provided, comprising a frame and a hole-pulling mechanism arranged on the frame, the hole-pulling mechanism comprising a mounting block arranged above the frame, a lifting cylinder for controlling the lifting and lowering of the mounting block, a plurality of hole-pulling heads adjustable relative to the mounting block, and screws for fixing the hole-pulling heads, the mounting block is provided with a plurality of sliding grooves for the sliding of the hole-pulling heads, the piston rod of the lifting and lowering cylinder is connected to the mounting block, each of the hole-pulling heads is provided with an adjusting block, the adjusting block is slidably arranged in the sliding groove, a fixing block is provided on the adjusting block, a fixing hole 1 matched with the fixing screw 1 is provided on the fixing block, a plurality of fixing holes 2 corresponding to the fixing hole 1 are provided on the mounting block, when fixing the hole-pulling head, the fixing screw 1 passes through the corresponding fixing hole 1 and the fixing hole 2, and the fixing screw 1 and the fixing hole 1 and the fixing hole 2 are all threadedly connected. When the spacing requirements of the copper tube holes are different, the plurality of hole-pulling heads on the mounting block are moved, and after the spacing between adjacent hole-pulling heads can meet the spacing requirements of the copper tube holes, the hole-pulling heads are fixed by fixing screws. In this way, different spacing requirements of the copper tube holes can be met. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0017] In the figure: Figure 1 The utility model provides an overall structural diagram of an adjustable hole-pulling machine for copper pipes;

[0018] Figure 2 for Figure 1 An exploded view of an adjustable hole-pulling machine for copper pipes is shown;

[0019] Figure 3 for Figure 2 An exploded view of the clamping mechanism shown;

[0020] Figure 4 for Figure 2 An exploded view of the hole extraction mechanism shown;

[0021] Figure 5 for Figure 4 The three-dimensional structural diagram of the regulating block shown;

[0022] Figure 6 for Figure 1 A top view of an adjustable hole-pulling machine for copper pipes is shown;

[0023] Figure 7 for Figure 6 AA partial cross-sectional view;

[0024] Figure 8 for Figure 7 Enlarged view of point A in the middle;

[0025] Fig. 9 for Figure 5 A perspective cutaway view of the adjustment block is shown.

[0026] Description of reference numerals: 100, adjustable hole-pulling machine for copper pipe; 10, frame; 20, hole-pulling mechanism; 21, mounting block; 211, sliding groove; 2111, limiting groove; 212, fixing hole 2; 22, lifting cylinder; 23, hole-pulling head; 231, adjusting block; 2311, limiting block; 2312, fixing hole 4; 232, fixing block; 2321, fixing hole 1; 233, vertical fixing groove; 234, swing groove; 235, rotating shaft; 236, swing Block; 2361, fixing hole three; 24, fixing screw one; 25, fixing screw two; 30, clamping mechanism; 31, first clamping seat; 311, first through-hole; 32, second clamping seat; 321, second through-hole; 33, first telescopic cylinder; 34, second telescopic cylinder; 35, first clamping block; 351, first clamping groove; 3511, flexible pad one; 36, second clamping block; 361, second clamping groove; 3611, flexible pad two; 200, copper tube DETAILED DESCRIPTION

[0027] In order to make the technical problems, technical solutions and beneficial effects to be solved by the utility model clearer, the utility model is now described in detail in conjunction with the accompanying drawings. This figure is a simplified schematic diagram, which only illustrates the basics of the utility model in a schematic manner, so it only shows the structure related to the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0028] Please refer to Figure 1-9 An adjustable hole-pulling machine 100 for copper pipes includes a frame 10, a hole-pulling mechanism 20 disposed on the frame 10, and a clamping mechanism 30 disposed on the frame 10.

[0029] The hole-pulling mechanism 20 includes a mounting block 21 disposed above the frame 10, a lifting cylinder 22 for controlling the lifting and lowering of the mounting block 21, a plurality of hole-pulling heads 23 adjustable relative to the mounting block 21, and a fixing screw 24 for fixing the hole-pulling head 23. Specifically, in this embodiment, the hole-pulling head 23 is a high-speed rotating drilling head, and the specific structure of the hole-pulling head 23 is not shown in the accompanying drawings corresponding to this embodiment.

[0030] The mounting block 21 is provided with a plurality of sliding grooves 211 for sliding the hole-pulling head 23, the piston rod of the lifting cylinder 22 is fixedly connected to the mounting block 21, each hole-pulling head 23 is provided with an adjusting block 231, the adjusting block 231 is slidably arranged in the sliding groove 211, the adjusting block 231 is provided with a fixing block 232, the fixing block 232 is provided with a fixing hole 1 2321 matched with the fixing screw 1 24, the mounting block 21 is provided with a plurality of fixing holes 212 corresponding to the fixing hole 1 2321, when fixing the position of the hole-pulling head 23, the fixing screw 1 24 passes through the corresponding fixing hole 1 2321 and the fixing hole 212, and the fixing screw 1 24 and the fixing hole 1 2321 and the fixing hole 212 are all threadedly connected. A limiting block 2311 is disposed on the adjusting block 231 , a limiting groove 2111 matched with the limiting block 2311 is disposed on the groove wall of the sliding groove 211 , and the limiting block 2311 is slidably disposed in the limiting groove 2111 .

[0031] The adjusting block 231 is further provided with a plurality of vertical fixing grooves 233 , and a groove wall of each vertical adjusting groove is provided with a swinging groove 234 . The adjusting block 231 is provided with a fixing hole 2312 .

[0032] A rotating shaft 235 is provided on the hole-pulling head 23, and a swing block 236 is provided on the rotating shaft 235. The swing block 236 can be swingably set in the swing groove 234. The swing block 236 is adapted to the vertical fixed groove 233 and the swing groove 234. A fixing hole three 2361 is provided on the swing block 236, and a fixing hole four 2312 is adapted to the fixing hole three 2361. The fixing hole four 2312 and the swing groove 234 are connected to each other. The hole-pulling mechanism 20 also includes a fixing screw two 25 that is threadedly connected to the fixing hole three 2361 and the fixing hole four 2312. When the hole-pulling head 23 is fixed, the swing block 236 swings along the swing groove 234 until the fixing hole three 2361 and the fixing hole four 2312 are connected. The fixing screw two 25 and the fixing hole three 2361 and the fixing hole four 2312 are all threadedly connected.

[0033] The clamping mechanism 30 includes a first clamping seat 31 and a second clamping seat 32 which are arranged opposite to each other, and a first telescopic cylinder 33 and a second telescopic cylinder 34 which are used to control the first clamping seat 31 and the second clamping seat 32 respectively, a first clamping block 35 which is telescopically arranged on the first clamping seat 31, and a second clamping block 36 which is telescopically arranged on the second clamping seat 32, a first through hole 311 is formed on the first clamping seat 31, a second through hole 321 is formed on the second clamping seat 32, and the first telescopic cylinder 33 and the second telescopic cylinder 34 are used to control the first clamping seat 31 and the second clamping block 35 which is telescopically arranged on the first clamping seat 31. The piston rod of the cylinder 33 passes through the first penetration hole 311, and the piston rod of the first telescopic cylinder 33 is fixedly connected to the first clamping block 35, the piston rod of the second telescopic cylinder 34 passes through the second penetration hole 321, and the piston rod of the second telescopic cylinder 34 is fixedly connected to the second clamping block 36, the first clamping block 35 is provided with a first clamping groove 351, the second clamping block 36 is provided with a second clamping groove 361, and the first clamping groove 351 and the second clamping groove 361 are both adapted to the copper tube 200. When the first clamping block 35 and the second clamping block 36 cooperate to clamp the copper tube 200, the distance between the first clamping block 35 and the second clamping block 36 is adapted to the diameter of the piercing head 23.

[0034] A flexible pad 1 3511 is provided on the groove wall of the first clamping groove 351, and a flexible pad 2 3611 is provided on the groove wall of the second clamping groove 361. Specifically, in the present embodiment, the flexible pad 1 3511 and the flexible pad 2 3611 are both arranged in an arc shape. The flexible pad 1 3511 fits with the first clamping groove 351, and the flexible pad 2 3611 fits with the groove wall of the second clamping groove 361. The length of the flexible pad 1 3511 is adapted to the groove width of the first clamping groove 351, and the length of the flexible pad 2 3611 is adapted to the groove width of the second clamping groove 361. The arrangement of the flexible pad 1 3511 and the flexible pad 2 3611 can reduce the impact force on the copper tube 200 caused by the telescopic movement of the first clamping block 35 and the second clamping block 36, and at the same time, the flexible pad 1 3511 and the flexible pad 2 3611 can adapt to copper tubes 200 of different diameters to a certain extent.

[0035] The utility model provides an adjustable hole-pulling machine 100 for copper tubes, and the implementation principle is: when the spacing requirements of the holes of the copper tube 200 are different, a plurality of hole-pulling heads 23 on the mounting block 21 are moved, and after the spacing between adjacent hole-pulling heads 23 can meet the spacing requirements of the holes of the copper tube 200, the hole-pulling heads 23 are fixed by fixing screws. In this way, different spacing requirements of the holes of the copper tube 200 can be met.

[0036] When it is necessary to replace the hole-pulling head 23 with a different diameter, the swing block 236 on the hole-pulling head 23 is installed into the vertical fixed groove 233 on the adjusting block 231, and slides along the vertical sliding groove 211 into the swing groove 234, and then slides the swing block 236 to a position where the fixing hole three 2361 on the swing block 236 and the fixing hole four 2312 on the adjusting block 231 are connected to each other, and then the fixing screw two 25 is passed through the fixing hole three 2361 and the fixing hole four 2312 and tightened, thereby realizing the replacement and fixation of the hole-pulling head 23.

[0037] When it is necessary to extract holes in the copper tube 200, the first clamping block 35 and the second clamping block 36 are controlled to close by the first telescopic cylinder 33 and the second telescopic cylinder 34 respectively, so as to clamp the copper tube 200. Then, the lifting cylinder 22 is started, so that the mounting block 21 drives the plurality of hole-extracting heads 23 to move downward, and the copper tube 200 is extracted.

[0038] Beneficial effect: When the spacing requirements of the copper tube 200 holes are different, the plurality of hole-pulling heads 23 on the mounting block 21 are moved, and after the spacing between adjacent hole-pulling heads 23 can meet the spacing requirements of the copper tube 200 holes, the hole-pulling heads 23 are fixed by fixing screws. In this way, the different spacing requirements of the copper tube 200 holes can be met.

[0039] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, it can be a mechanical connection, it can be a direct connection, or it can be indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0040] It should be understood that the terms "length", "width", "up", "down", "front and back", "left and right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0041] The above is based on the ideal embodiment of the utility model. Through the above description, relevant staff can make various changes and modifications without departing from the scope of the utility model. The technical scope of this utility model is not limited to the content in the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. An adjustable hole-pulling machine for copper pipes, characterized in that: The invention comprises a frame and a hole-pulling mechanism arranged on the frame, wherein the hole-pulling mechanism comprises a mounting block arranged above the frame, a lifting cylinder for controlling the lifting and lowering of the mounting block, a plurality of hole-pulling heads adjustable relative to the mounting block, and a fixing screw 1 for fixing the hole-pulling head, the mounting block is provided with a plurality of sliding grooves for the sliding of the hole-pulling head, the piston rod of the lifting and lowering cylinder is connected to the mounting block, each hole-pulling head is provided with an adjusting block, the adjusting block is slidably arranged in the sliding groove, a fixing block is provided on the adjusting block, a fixing hole 1 matched with the fixing screw 1 is provided on the fixing block, a plurality of fixing holes 2 corresponding to the fixing hole 1 are provided on the mounting block, when fixing the hole-pulling head, the fixing screw 1 passes through the corresponding fixing hole 1 and the fixing hole 2, and the fixing screw 1 and the fixing hole 1 and the fixing hole 2 are all threadedly connected.

2. The adjustable hole-pulling machine for copper pipes according to claim 1, characterized in that: The hole-pulling head is provided with a rotating shaft, the rotating shaft is provided with a swing block, the adjusting block is provided with a vertical fixed groove matched with the swing block, the groove wall of the vertical fixed groove is provided with a swing groove, the swing block can be swung in the swing groove, the swing block is provided with a fixing hole three, the adjusting block is provided with a fixing hole four matched with the fixing hole three, the fixing hole four and the swing groove are connected to each other, the hole-pulling mechanism also includes a fixing screw two that is threadedly connected with the fixing hole three and the fixing hole four, when fixing the hole-pulling head, the swing block swings along the swing groove until the fixing hole three and the fixing hole four are connected, and the fixing screw two and the fixing hole three and the fixing hole four are all threadedly connected.

3. The adjustable hole-pulling machine for copper pipes according to claim 2, characterized in that: The swing groove is located at one end of the notch of the vertical fixing groove away from the notch of the vertical fixing groove in the depth direction of the vertical fixing groove.

4. The adjustable hole-pulling machine for copper pipes according to claim 3, characterized in that: The adjusting block is provided with a limiting block, the groove wall of the sliding groove is provided with a limiting groove matched with the limiting block, and the limiting block is slidably arranged in the limiting groove.

5. The adjustable hole-pulling machine for copper pipes according to claim 1, characterized in that: The adjustable hole-pulling machine for copper pipes also includes a clamping mechanism arranged on the frame, the clamping mechanism includes a first clamping seat and a second clamping seat arranged opposite to each other, and a first telescopic cylinder and a second telescopic cylinder respectively used to control the first clamping seat and the second clamping seat, a first clamping block telescopically arranged on the first clamping seat, and a second clamping block telescopically arranged on the second clamping seat, the first clamping seat is provided with a first through-hole, the second clamping seat is provided with a second through-hole, the piston rod of the first telescopic cylinder passes through the first through-hole, and the piston rod of the first telescopic cylinder is connected to the first clamping block, the piston rod of the second telescopic cylinder passes through the second through-hole, and the piston rod of the second telescopic cylinder is connected to the second clamping block, the first clamping block is provided with a first clamping groove, the second clamping block is provided with a second clamping groove, and the first clamping groove and the second clamping groove are both adapted to the copper pipe.

6. The adjustable hole-pulling machine for copper pipes according to claim 5, characterized in that: When the first clamping block and the second clamping block cooperate to clamp the copper pipe, the distance between the first clamping block and the second clamping block is matched with the diameter of the piercing head.

7. The adjustable hole-pulling machine for copper pipes according to claim 6, characterized in that: A first flexible pad is provided on the groove wall of the first clamping groove, and a second flexible pad is provided on the groove wall of the second clamping groove.

8. The adjustable hole-pulling machine for copper pipes according to claim 7, characterized in that: The first flexible pad and the second flexible pad are both arranged in an arc shape.

9. The adjustable hole-pulling machine for copper pipes according to claim 8, characterized in that: The first flexible pad is in contact with the first clamping groove, and the second flexible pad is in contact with the groove wall of the second clamping groove.

10. The adjustable hole-pulling machine for copper pipes according to claim 9, characterized in that: The length of the flexible pad 1 is matched with the width of the first clamping groove, and the length of the flexible pad 2 is matched with the width of the second clamping groove.

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