CN217252241U

CN217252241U - Hole pulling device

Info

Publication number: CN217252241U
Application number: CN202220067511.5U
Authority: CN
Inventors: 刘艳明
Original assignee: Foshan Zhengyong Refrigeration Technology Co ltd
Current assignee: Foshan Zhengyong Refrigeration Technology Co ltd
Priority date: 2022-01-11
Filing date: 2022-01-11
Publication date: 2022-08-23
Anticipated expiration: 2032-01-11

Abstract

The utility model discloses a pull out hole device, include: the rack is connected with a limiting block; the hole pulling component is provided with a hole pulling end and is connected with the limiting block in a sliding manner; the fixture is connected to the rack and provided with a clamping cavity, and the hole pulling end can extend into or extend out of the clamping cavity. The workpiece to be machined is placed in the clamping cavity, and is limited through the clamping cavity, so that the situation that the position of the workpiece to be machined deviates when a hole is pulled is reduced; when the hole is pulled out, the hole pulling end slides along the limiting block, the hole pulling path of the hole pulling end is limited by the limiting block, so that the hole pulling end can be accurately inserted into the proper position of the workpiece to be machined, and the accuracy of the arranged horn mouth is higher.

Description

Hole pulling device

Technical Field

The utility model relates to a pull out the technical field in hole, especially a pull out hole device.

Background

The tubular workpiece is subjected to hole drawing, and actually, a bell mouth is machined on the tubular workpiece so as to increase the contact area for connecting the subsequent workpieces.

At present, the hole pulling operation is usually carried out on tubular workpieces one by manual work, and the insertion path of a hole pulling cutter is difficult to control when a worker pulls out the hole, so that the machined bell mouth is rough, and the subsequent connection is influenced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: provides a hole pulling device to solve a problem existing in the prior art.

The utility model provides a solution of its technical problem is:

a hole pulling device comprising: the device comprises a rack, wherein a limiting block is connected to the rack; the hole pulling assembly is provided with a hole pulling end and is connected with the limiting block in a sliding mode; the fixture is connected to the rack and provided with a clamping cavity, and the hole pulling end can extend into or extend out of the clamping cavity.

The workpiece to be machined is placed in the clamping cavity, and is limited through the clamping cavity, so that the situation that the position of the workpiece to be machined deviates when a hole is pulled is reduced; when the hole is pulled out, the hole pulling end slides along the limiting block, the hole pulling path of the hole pulling end is limited by the limiting block, so that the hole pulling end can be accurately inserted into the proper position of the workpiece to be machined, and the accuracy of the arranged horn mouth is higher.

As a further improvement of the technical scheme, the hole pulling component is provided with a thread section, and the thread section is in threaded connection with the limiting block.

The thread section is in threaded connection with the limiting block, the relative position of the hole drawing component and the limiting block is changed by rotating the hole drawing component, and the advancing path of the hole drawing component can be limited by the threaded connection mode, so that the path of the hole drawing end inserted into a workpiece to be machined can be limited.

As a further improvement of the above technical solution, the hole pulling assembly comprises: the threaded section is positioned on the outer side wall of the first hole pulling connecting rod; and the hole drawing end is positioned at one end of the hole drawing knife, and a first connecting bolt is connected between the other end of the hole drawing knife and the first hole drawing connecting rod.

The hole pulling assembly comprises a first hole pulling connecting rod and a first hole pulling cutter which are connected with each other, and the first hole pulling cutter and the first hole pulling connecting rod are detachably connected through a first connecting bolt, so that different degrees of abrasion can occur after the first hole pulling connecting rod and the first hole pulling cutter are used for a period of time, and the first hole pulling connecting rod and the first hole pulling cutter can be independently replaced according to actual conditions.

As a further improvement of the technical scheme, the outer side of the thread section is connected with a protection block, the limiting block is positioned between the protection block and the hole drawing cutter, and the limiting block can be abutted against the protection block.

Add the protection piece, when protection piece and stopper offset, the screw thread section can't rotate, and the relative position that firstly pulls out hole connecting rod and stopper does not change, thereby it directly pierces through the condition that leads to waiting to process the work piece damage to reduce to pull out the hole end.

As a further improvement of the above technical scheme, the frame is connected with a hole pulling driving assembly, the hole pulling driving assembly comprises a motor and a pulley set, the motor and the pulley set are connected to the frame, and the motor and the first hole pulling connecting rod are in transmission connection with the pulley set.

The motor is in transmission connection with the belt pulley group, so that the first hole pulling connecting rod rotates, the first hole pulling connecting rod can rotate at a constant speed under the driving of the motor, and the surface of the machined horn mouth is smoother.

As a further improvement of the technical scheme, the hole pulling component further comprises a second hole pulling connecting rod, the first hole pulling connecting rod is connected with the belt pulley set in a transmission mode through the second hole pulling connecting rod, a second connecting bolt is connected between the first hole pulling connecting rod and the second hole pulling connecting rod, nuts are connected to two ends of the second connecting bolt respectively, and the nuts all abut against the outer side wall of the second hole pulling connecting rod.

Set up the second and pull out the jogged joint pole, the second pulls out the jogged joint pole and has prolonged the length of first jogged joint pole in other words, and the second pulls out the jogged joint pole and first pulls out the jogged joint pole and pass through nut and second connecting bolt connection, and the second pulls out the jogged joint pole and first to pull out the jogged joint pole and be and dismantle the connection, according to the condition of actual wearing and tearing, can change alone first jogged joint pole and the second pulls out the jogged joint pole.

As a further improvement of the above technical solution, the clamp includes: the first clamping block is connected to the rack, a first notch is formed in the first clamping block in a concave mode, and the hole pulling end can penetrate through the first clamping block in a sliding mode; the second clamping block is connected to the rack, a second notch is formed in the second clamping block in a concave mode, the first notch and the second notch are arranged oppositely, and the first notch and the second notch form the clamping cavity.

The first clamping block and the second clamping block which are matched with each other clamp the workpiece to be machined, so that the position of the workpiece to be machined in a hole drawing process is limited, and the phenomenon that the workpiece to be machined slips during the hole drawing operation is reduced; the first clamping block and the second clamping block are independent components, and the first clamping block and the second clamping block are separated from each other before a workpiece to be machined is placed into the clamping cavity, so that the workpiece to be machined can be clamped into the clamping cavity conveniently.

As a further improvement of the above technical solution, the clamp further includes: the first clamping seat is connected to the rack and provided with a first clamping groove, the first clamping block is slidably inserted into the first clamping groove, a first clamping bolt is connected to the first clamping seat, and one end of the first clamping bolt abuts against the outer side wall of the first clamping block; the second clamping seat is connected to the rack and provided with a second clamping groove, the second clamping block is slidably inserted into the second clamping groove, a second clamping bolt is connected to the second clamping seat, and one end of the second clamping bolt abuts against the outer side wall of the second clamping block.

Set up first cassette, first clamp splice can block in the first draw-in groove, set up the second cassette, the second clamp splice can block in the second draw-in groove, and first cassette and first clamp splice are promptly and can dismantle the connection, and second cassette and second clamp splice are and can dismantle the connection, according to the structure of treating the processing work piece, can change the first clamp splice and the second clamp splice of adaptation treatment work piece appearance, make the tight effect of clamp better.

As a further improvement of the above technical solution, the fixture further includes a sliding driving member, the sliding driving member is connected to the frame, and the sliding driving member is in driving connection with the second clamping seat and makes the second clamping seat approach or separate from the first clamping seat.

And a sliding driving piece is additionally arranged and is in driving connection with the second clamping seat, so that the sliding path of the second clamping seat is limited.

As a further improvement of the above technical solution, a guide rail is connected to the frame along the moving direction of the hole-pulling end, the bottom of the second clamping seat is slidably connected to the guide rail, and the sliding direction of the second clamping seat is parallel to the length direction of the guide rail.

The second clamping seat is connected with the guide rail in a sliding mode, and the position of the second clamping seat can be limited by the guide rail, so that the second notch can be opposite to the first notch.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.

FIG. 1 is a front view of the hole-drawing device of the present invention;

FIG. 2 is a schematic view of the overall structure of the hole-pulling device of the present invention;

FIG. 3 is a schematic view of the overall structure of the hole-pulling device according to another angle;

fig. 4 is a partially enlarged schematic view of a portion a in fig. 3.

In the figure, 1, a frame; 11. a limiting block; 12. pulling the hole driving assembly; 121. a housing; 122. a motor; 123. a pulley set; 13. a protective shell; 14. a guide rail; 2. a hole pulling component; 21. a first hole-pulling connecting rod; 211. a threaded segment; 212. a protection block; 22. a hole drawing cutter; 23. a first connecting bolt; 24. a second hole-drawing connecting rod; 25. a second connecting bolt; 26. a nut; 3. a clamp; 31. a first clamping block; 311. a first notch; 32. a second clamp block; 321. a second notch; 33. a clamping cavity; 34. a first card holder; 341. a first card slot; 342. a first clamping bolt; 35. a second card holder; 351. a second card slot; 352. a second clamping bolt; 36. a sliding drive member.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the coupling/connection relationships mentioned herein do not mean that the components are directly connected, but mean that a better coupling structure can be formed by adding or reducing coupling accessories according to specific implementation conditions. All technical characteristics in the invention can be interactively combined on the premise of not conflicting with each other.

Referring to fig. 1 to 4, the hole pulling device of the present invention comprises the following embodiments:

a hole pulling device comprises a frame 1, a hole pulling assembly 2 and a clamp 3, wherein a limiting block 11 is connected to the frame 1; the hole drawing component 2 is provided with a hole drawing end, and the hole drawing component 2 is connected with the limiting block 11 in a sliding mode; the clamp 3 is connected to the frame 1, the clamp 3 is provided with a clamping cavity 33, and the hole pulling end can extend into or extend out of the clamping cavity 33.

The hole drawing component 2 is provided with a thread section 211, and the thread section 211 is in threaded connection with the limiting block 11.

The hole drawing assembly 2 comprises a first hole drawing connecting rod 21 and a hole drawing cutter 22, and the threaded section 211 is positioned on the outer side wall of the first hole drawing connecting rod 21; the hole drawing end is located at one end of the hole drawing knife 22, and a first connecting bolt 23 is connected between the other end of the hole drawing knife 22 and the first hole drawing connecting rod 21.

Specifically, first hole connecting rod 21 and the hole sword 22 of pulling out all are the level setting, and the axis of first hole connecting rod 21 of pulling out and the axis of the hole sword 22 of pulling out all coincide, and first connecting bolt 23 threaded connection is in first hole connecting rod 21 of pulling out, and first connecting bolt 23 stretches into the tip of first hole connecting rod 21 of pulling out and offsets with the lateral wall of pulling out hole sword 22.

The outer side of the threaded section 211 is connected with a protection block 212, the limiting block 11 is located between the protection block 212 and the hole drawing knife 22, and the limiting block 11 can abut against the protection block 212.

Specifically, the protection block 212 is annular, and the side wall of the protection block 212 close to the hole-drawing end can be abutted against the side wall of the limiting block 11 far away from the hole-drawing end.

Frame 1 is connected with pulls out hole drive assembly 12, pulls out hole drive assembly 12 and includes motor 122 and pulley group 123, and motor 122 and pulley group 123 are connected in frame 1, and motor 122, the first hole connecting rod 21 of pulling out all are connected with pulley group 123 transmission.

Specifically, the frame 1 is connected with a casing 121, and the motor 122 and the pulley set 123 are connected in the casing 121.

Pull out punch combination spare 2 and still include the second and pull out punch combination spare 24, pull out punch combination spare 21 first and pull out punch combination spare through the second and pull out punch combination spare 24 and pulley group 123 transmission and be connected, first pull out punch combination spare 21 and second and pull out and be connected with second connecting bolt 25 between punch combination spare 24, and the both ends of second connecting bolt 25 are connected with nut 26 respectively, and two nuts 26 all with the second pull out the lateral wall of punch combination spare 24 and offset.

Specifically, the external diameter that the hole connecting rod 24 was pulled out to the second is greater than the first external diameter that pulls out hole connecting rod 21, and the axis that the hole connecting rod 24 was pulled out to the first axis that pulls out hole connecting rod 21 and second coincide, and the hole connecting rod 24 was pulled out to the second one end of keeping away from first hole connecting rod 21 and is passed casing 121 and pulley group 123 and be connected, and the lateral wall that the hole connecting rod 24 was pulled out to the second is provided with the bar hole, and the length direction in bar hole is on a parallel with the axis direction that the hole connecting rod 24 was pulled out to the second.

Specifically, the frame 1 is connected with a transparent protective shell 13, and the second hole-pulling connecting rod 24 is located in the protective shell 13.

The clamp 3 comprises a first clamping block 31 and a second clamping block 32, the first clamping block 31 is connected to the rack 1, a first notch 311 is formed in the first clamping block 31 in a concave mode, and the hole drawing end can penetrate through the first clamping block 31 in a sliding mode; the second clamping block 32 is connected to the frame 1, the second clamping block 32 is recessed to form a second notch 321, the first notch 311 and the second notch 321 are opposite to each other, and the first notch 311 and the second notch 321 form a clamping cavity 33.

Specifically, the first clamping block 31 is cylindrical, the first notch 311 extends to the opposite side wall of the first clamping block 31, and the first clamping block 31 is made of a metal material; the second clamping block 32 is block-shaped, the second notch 321 extends to the opposite side wall of the second clamping block 32, and the second clamping block 32 is made of plastic material.

The clamp 3 further comprises a first clamp seat 34 and a second clamp seat 35, the first clamp seat 34 is connected to the frame 1, the first clamp seat 34 is provided with a first clamping groove 341, the first clamping block 31 is slidably inserted into the first clamping groove 341, the first clamp seat 34 is connected with a first clamping bolt 342, and one end of the first clamping bolt 342 abuts against the outer side wall of the first clamping block 31; the second clamping seat 35 is connected to the rack 1, the second clamping seat 35 is provided with a second clamping groove 351, the second clamping block 32 is slidably inserted into the second clamping groove 351, the second clamping seat 35 is connected with a second clamping bolt 352, and one end of the second clamping bolt 352 abuts against the outer side wall of the second clamping block 32.

Specifically, the first clamping groove 341 is formed on the side wall of the first clamping seat 34 close to the second clamping seat 35 and extends to the side wall far away from the second clamping seat 35; the second card slot 351 is opened on a side wall of the second card holder 35 close to the first card holder 34, and the second card slot 351 extends to an opposite side wall of the second card holder 35.

The fixture 3 further comprises a sliding driving member 36, the sliding driving member 36 is connected to the frame 1, and the sliding driving member 36 is in driving connection with the second clamping seat 35 and enables the second clamping seat 35 to be close to or far away from the first clamping seat 34.

Specifically, the slide actuator 36 is a cylinder.

The frame 1 is connected with a guide rail 14 along the moving direction of the hole-drawing end, the bottom of the second clamping seat 35 is connected with the guide rail 14 in a sliding manner, and the sliding direction of the second clamping seat 35 is parallel to the length direction of the guide rail 14.

Specifically, the frame 1 is provided with an opening, the opening is located below the first notch 311, and the opening is located right below the first notch 311 and the second notch 321.

Use the utility model discloses a when pulling out the hole device, go into copper pipe card between first breach 311 and the second breach 321, make first clamp splice 31 and second clamp splice 32 offset through sliding driving piece 36, make under the drive of pulling out hole drive assembly 12 pull out hole sword 22 and stretch into and press from both sides tight chamber 33 to pull out the operation in hole to the copper pipe.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.

Claims

1. A hole drawing device, comprising:

the device comprises a rack (1), wherein a limiting block (11) is connected to the rack (1);

the hole pulling assembly (2), the hole pulling assembly (2) is provided with a hole pulling end, and the hole pulling assembly (2) is connected with the limiting block (11) in a sliding mode;

the clamping device comprises a clamp (3), wherein the clamp (3) is connected to the rack (1), the clamp (3) is provided with a clamping cavity (33), and the hole pulling end can extend into or extend out of the clamping cavity (33).

2. A hole-drawing device according to claim 1, characterised in that the hole-drawing assembly (2) has a threaded section (211), the threaded section (211) being in threaded connection with the stop block (11).

3. A hole-extracting device according to claim 2, characterized in that the hole-extracting assembly (2) comprises:

the first hole drawing connecting rod (21), the threaded section (211) is positioned on the outer side wall of the first hole drawing connecting rod (21);

the hole drawing end is located at one end of the hole drawing knife (22), and a first connecting bolt (23) is connected between the other end of the hole drawing knife (22) and the first hole drawing connecting rod (21).

4. A hole drawing device according to claim 3, wherein a protection block (212) is connected to the outer side of the threaded section (211), the limiting block (11) is located between the protection block (212) and the hole drawing knife (22), and the limiting block (11) can abut against the protection block (212).

5. The hole pulling device as claimed in claim 3, wherein the frame (1) is connected with a hole pulling driving assembly (12), the hole pulling driving assembly (12) comprises a motor (122) and a pulley set (123), the motor (122) and the pulley set (123) are connected to the frame (1), and the motor (122) and the first hole pulling connecting rod (21) are in transmission connection with the pulley set (123).

6. The hole drawing device according to claim 5, wherein the hole drawing assembly (2) further comprises a second hole drawing connecting rod (24), the first hole drawing connecting rod (21) is in transmission connection with the pulley set (123) through the second hole drawing connecting rod (24), a second connecting bolt (25) is connected between the first hole drawing connecting rod (21) and the second hole drawing connecting rod (24), two ends of the second connecting bolt (25) are respectively connected with a nut (26), and the two nuts (26) are abutted against the outer side wall of the second hole drawing connecting rod (24).

7. A hole-drawing device as claimed in claim 1, characterized in that said clamp (3) comprises:

the first clamping block (31), the first clamping block (31) is connected to the rack (1), a first notch (311) is formed in the first clamping block (31) in a concave mode, and the hole pulling end can penetrate through the first clamping block (31) in a sliding mode;

second clamp splice (32), second clamp splice (32) connect in frame (1), second clamp splice (32) are sunken to be formed with second breach (321), first breach (311) with second breach (321) are just right to setting up each other, first breach (311) with second breach (321) form press from both sides tight chamber (33).

8. A hole extracting device as claimed in claim 7, characterized in that said clamp (3) further comprises:

the first clamping seat (34) is connected to the rack (1), a first clamping groove (341) is formed in the first clamping seat (34), the first clamping block (31) is slidably inserted into the first clamping groove (341), a first clamping bolt (342) is connected to the first clamping seat (34), and one end of the first clamping bolt (342) abuts against the outer side wall of the first clamping block (31);

the second clamping seat (35) is connected to the rack (1), a second clamping groove (351) is formed in the second clamping seat (35), the second clamping block (32) is slidably inserted into the second clamping groove (351), a second clamping bolt (352) is connected to the second clamping seat (35), and one end of the second clamping bolt (352) abuts against the outer side wall of the second clamping block (32).

9. A hole drawing device according to claim 8, wherein the fixture (3) further comprises a slide driving member (36), the slide driving member (36) is connected to the frame (1), the slide driving member (36) is in driving connection with the second clamping seat (35) and enables the second clamping seat (35) to approach or depart from the first clamping seat (34).

10. A hole drawing device according to claim 9, wherein a guide rail (14) is connected to the frame (1) along the moving direction of the hole drawing end, the bottom of the second clamping seat (35) is slidably connected to the guide rail (14), and the sliding direction of the second clamping seat (35) is parallel to the length direction of the guide rail (14).