Punching device for fire-fighting pipe fitting machining

Abstract

The utility model relates to the technical field of punching, and discloses a punching device for fire-fighting pipe fitting processing, which comprises a base, a first support is mounted on the base, a second support is mounted on the rear side of the upper end of the first support, and a support shaft is mounted at the bottom end of the second support. Before a pipe fitting is punched, the specifications of the positioning block and the matched supporting block can be replaced, so that the diameter of the positioning block is equal to the inner diameter of the pipe fitting, the punching diameter is matched with a positioning hole in the supporting block, then the pipe fitting is inserted into the positioning block and adjusted to the position where punching is needed, and then the hydraulic rods on the two sides abut against and clamp the pipe fitting; due to the fact that the positioning block is in the shape exceeding a semicircle, the interior of the position, abutting against the pipe fitting, of the hydraulic rod is supported by the positioning block, the problem of clamping deformation cannot occur, the supporting block is matched with the positioning block, the inner wall of the pipe fitting can be effectively attached and supported, and the situation that the periphery of the groove hole deforms is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of punching, in particular to a punching device for processing fire-fighting pipe fittings. Background Art

[0002] Fire-fighting pipe fittings are very common parts in fire-fighting facilities. They are mainly used to transport fire-fighting water or connect pipes. They play a very important role in ensuring fire protection. As people's fire protection awareness continues to increase, fire-fighting pipe fittings are gradually developing in the direction of mass production and standardization. In the process of fire-fighting pipe fittings production and processing, it is often necessary to punch holes in the pipe fittings to ensure the normal use and connection of the pipe fittings.

[0003] In the existing punching process, the punching output head will punch on the workpiece, causing deformation around the slot, affecting the quality and appearance of the workpiece. Therefore, those skilled in the art provide a punching device for fire-fighting pipe processing to solve the problems raised in the above background technology. Utility Model Content

[0004] In view of the deficiencies of the prior art, the utility model provides a punching device for processing fire-fighting pipe fittings to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a punching device for processing fire-fighting pipe fittings, comprising a base, a first bracket is installed on the base, a second bracket is installed on the rear side of the upper end of the first bracket, a support shaft is installed on the bottom end of the second bracket, an insert block is installed on the front end of the support shaft, a threaded sleeve is sleeved on the support shaft, a connecting shaft is plugged into the insert block, a positioning block is installed on the front side of the connecting shaft, a seating groove is provided on the positioning block, a support block is plugged into the seating groove, and a positioning hole is provided in the support block.

[0006] Preferably, a thread is provided on the outer wall of one end of the support shaft adjacent to the plug block, and the threaded sleeve is threadedly sleeved with the support shaft through the thread, and the threaded sleeve is threadedly sleeved with the connecting shaft. The threaded sleeve is rotated backward to be disconnected from the connecting shaft. At this time, the positioning block can be replaced. When replacing the support block, the support block can be pulled upwards through the pull plate to complete the replacement.

[0007] Preferably, a paddle plate is installed on both sides of the support block, the curvature of the paddle plate is consistent with that of the support block, the curvature of the top surface of the support block is consistent with that of the positioning block, a socket is provided in the connecting shaft, the plug block is cross-shaped, the plug block and the socket are limitedly plugged in, and the positioning block is semicircular. This arrangement enables the support block to cooperate with the positioning block to effectively support the inner wall of the pipe fitting when punching holes in the pipe fitting, thereby avoiding deformation around the slot hole.

[0008] Preferably, fixed blocks are installed at both ends of the first bracket, a hydraulic rod is fixedly inserted in the fixed block, a rubber pad is installed at one end of the hydraulic rod adjacent to the positioning block, and the position where the hydraulic rod presses the pipe is supported by the positioning block, so there will be no problem of clamping deformation.

[0009] Preferably, a telescopic unit is installed in the middle of the upper end of the first bracket, and a punching unit is installed at the bottom output end of the telescopic unit.

[0010] Compared with the prior art, the utility model provides a punching device for processing fire-fighting pipe fittings, which has the following beneficial effects:

[0011] Through the design, before punching the pipe fittings, the specifications of the positioning block and the matching support block can be replaced, so that the diameter of the positioning block is equal to the inner diameter of the pipe fitting, and the punching diameter matches the positioning hole on the support block. The pipe fitting is then inserted into the positioning block and adjusted to the position where a hole needs to be punched. The pipe fitting is then pressed and clamped by the hydraulic rods on both sides. Since the positioning block is more than a semicircular shape, the position where the hydraulic rod presses the pipe fitting is supported by the positioning block, so there will be no problem of clamping deformation. In addition, the support block and the positioning block can effectively fit and support the inner wall of the pipe fitting to avoid deformation around the slot hole. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional structural schematic diagram of a punching device for processing fire-fighting pipe fittings provided in an embodiment of the present application.

[0013] Figure 2 It is a schematic diagram of the working structure of a punching device for processing fire-fighting pipe fittings provided in an embodiment of the present application.

[0014] Figure 3 It is a structural schematic diagram of a connecting shaft in a punching device for processing fire-fighting pipe fittings provided in an embodiment of the present application.

[0015] In the figure: 1, base; 2, first bracket; 3, fixed block; 4, hydraulic rod; 401, rubber pad; 5, telescopic unit; 6, punching unit; 7, second bracket; 8, support shaft; 801, thread; 9, plug block; 10, threaded sleeve; 11, positioning block; 1101, placement groove; 12, connecting shaft; 1201, jack; 13, support block; 1301, positioning hole; 1302, dial plate. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments 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 creative work are within the scope of protection of the utility model.

[0017] The utility model provides a technical solution, a punching device for processing fire pipe fittings, please refer to Figure 1 , Figure 2 , Figure 3 , including a base 1, a first bracket 2 is installed on the base 1, a telescopic unit 5 is installed in the middle of the upper end of the first bracket 2, a punching unit 6 is installed at the bottom output end of the telescopic unit 5, a second bracket 7 is installed on the rear side of the upper end of the first bracket 2, a support shaft 8 is installed at the bottom end of the second bracket 7, an insert block 9 is installed at the front end of the support shaft 8, a threaded sleeve 10 is sleeved on the support shaft 8, a connecting shaft 12 is plugged into the insert block 9, and a positioning block 11 is installed at the front side of the connecting shaft 12. Please refer to Figure 1 , Figure 3 The positioning block 11 is provided with a placement groove 1101, and the support block 13 is inserted into the placement groove 1101. The support block 13 is provided with a positioning hole 1301. The outer wall of the end of the support shaft 8 adjacent to the plug block 9 is provided with a thread 801. The threaded sleeve 10 is threadedly sleeved with the support shaft 8 through the thread 801. The threaded sleeve 10 is threadedly sleeved with the connecting shaft 12. The threaded sleeve 10 is rotated backward to be disconnected from the connecting shaft 12. At this time, the positioning block 11 can be replaced. When replacing the support block 13, the support block 13 can be pulled out upwards through the dial plate 1302 to complete the replacement;

[0018] See also Figure 1 , Figure 3 , the support block 13 is installed with a dial plate 1302 on both sides, the curvature of the dial plate 1302 is consistent with that of the support block 13, the curvature of the top surface of the support block 13 is consistent with that of the positioning block 11, a socket 1201 is opened in the connecting shaft 12, the plug block 9 is cross-shaped, the plug block 9 is limitedly plugged with the socket 1201, and the positioning block 11 is semicircular. This arrangement enables the support block 13 to cooperate with the positioning block 11 to effectively support the inner wall of the pipe fitting when punching holes in the pipe fitting, avoiding deformation around the slot hole, and fixing blocks 3 are installed at both ends of the first bracket 2, and a hydraulic rod 4 is fixedly plugged in the fixing block 3, and a rubber pad 401 is installed at one end of the hydraulic rod 4 adjacent to the positioning block 11, and the position where the hydraulic rod 4 presses the pipe fitting is supported by the positioning block 11, so there will be no problem of clamping deformation.

[0019] The punching device in the utility model is composed of a base 1, a first bracket 2 and a second bracket 7, wherein a telescopic unit 5 is installed at the middle of the upper end of the first bracket 2, a punching unit 6 is installed at the bottom output end of the telescopic unit 5, and a support shaft 8 is installed at the bottom end of the second bracket 7, an insert block 9 is installed at the front end of the support shaft 8, and a positioning block 11 is plugged into the insert block 9 through a connecting shaft 12, the positioning block 11 is semicircular, and a placement groove 1101 is opened at the upper part of the positioning block 11 corresponding to the drill bit of the punching unit 6, a support block 13 is plugged into the placement groove 1101, and a positioning hole 1301 matching the drill bit specification in the punching unit 6 is opened on the support block 13;

[0020] Before punching the pipe fitting, the specification of the positioning block 11 can be replaced so that the diameter of the positioning block 11 is equal to the inner diameter of the pipe fitting, and then the pipe fitting is inserted into the positioning block 11 and adjusted to the position where the hole needs to be punched. Then, the hydraulic rods 4 on both sides press and clamp the pipe fitting. Since the positioning block 11 is more than a semicircular shape, the position where the hydraulic rod 4 presses the pipe fitting is supported by the positioning block 11, so there will be no problem of clamping deformation. At the same time, before the pipe fitting is inserted, the support block 13 in the placement groove 1101 on the positioning block 11 can be replaced according to the size of the required opening, and replaced with a support block 13 of a positioning hole 1301 with a diameter matching the required drilling drill bit. This setting enables the support block 13 to cooperate with the positioning block 11 to effectively support the inner wall of the pipe fitting when punching the pipe fitting, thereby avoiding deformation around the slot hole;

[0021] When replacing the positioning block 11, the threaded sleeve 10 is rotated backward to disengage the connection with the connecting shaft 12. The positioning block 11 can be replaced at this time. When replacing the supporting block 13, the supporting block 13 can be pulled upwards through the pull plate 1302 to complete the replacement.

[0022] 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 variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A punching device for processing fire-fighting pipe fittings, comprising a base (1), characterized in that: A first bracket (2) is mounted on the base (1); a second bracket (7) is mounted on the rear side of the upper end of the first bracket (2); a support shaft (8) is mounted on the bottom end of the second bracket (7); an insert block (9) is mounted on the front end of the support shaft (8); a threaded sleeve (10) is sleeved on the support shaft (8); a connecting shaft (12) is plugged into the insert block (9); a positioning block (11) is mounted on the front side of the connecting shaft (12); a placement groove (1101) is provided on the positioning block (11); a support block (13) is plugged into the placement groove (1101); and a positioning hole (1301) is provided in the support block (13).

2. A punching device for processing fire-fighting pipe fittings according to claim 1, characterized in that: The support block (13) is provided with shifting plates (1302) installed on both sides thereof, the curvature of the shifting plates (1302) being consistent with that of the support block (13), and the curvature of the top surface of the support block (13) being consistent with that of the positioning block (11).

3. A punching device for processing fire-fighting pipe fittings according to claim 1, characterized in that: A plug hole (1201) is provided in the connecting shaft (12), the plug block (9) is in a cross shape, and the plug block (9) is limitedly plugged into the plug hole (1201).

4. A punching device for processing fire-fighting pipe fittings according to claim 1, characterized in that: The positioning block (11) is semicircular.

5. The punching device for processing fire-fighting pipe fittings according to claim 1, characterized in that: A thread (801) is provided on the outer wall of one end of the support shaft (8) adjacent to the plug block (9); the threaded sleeve (10) is threadedly sleeved with the support shaft (8) via the thread (801); and the threaded sleeve (10) is threadedly sleeved with the connecting shaft (12).

6. A punching device for processing fire-fighting pipe fittings according to claim 1, characterized in that: Fixed blocks (3) are installed at both ends of the first bracket (2), a hydraulic rod (4) is fixedly inserted in the fixed block (3), and a rubber pad (401) is installed at one end of the hydraulic rod (4) adjacent to the positioning block (11).

7. A punching device for processing fire-fighting pipe fittings according to claim 1, characterized in that: A telescopic unit (5) is installed at the middle of the upper end of the first bracket (2), and a punching unit (6) is installed at the bottom output end of the telescopic unit (5).

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