Broaching machine for stretching copper bar

Abstract

The utility model discloses a broaching machine used for stretching a copper bar, which comprises a bottom plate, the left end and the right end of the upper wall of the bottom plate are provided with fixing plates, the bottom plate is provided with a sliding groove, and a sliding block is arranged in the sliding groove in a sliding mode. The height of a bottom plate is adjusted through a hydraulic cylinder according to field requirements, a proper broaching tool is selected according to the diameter of a copper bar, a mounting block for mounting the broaching tool of the corresponding model is inserted into a mounting groove, and the mounting block is limited through a limiting plate; during use, a copper rod penetrates through the broaching tool and is fixed to the hydraulic clamping jaw, then the motor is started to drive the lead screw to rotate, and therefore the sliding block is driven to move, the copper rod is pulled to be broached in the broaching tool, and the copper rod can be formed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of broaching machine, concretely to a broaching machine for stretching copper bar. BACKGROUND

[0002] The broaching machine is a kind of tool machine for cutting metal, which uses rod-shaped cutter with gradually increasing cutting edge to pull through the material to cut out the required hole, groove and surface, wherein the copper bar needs to be broached when processing to make the copper bar into the required shape.

[0003] Chinese patent authorized announcement No.CN217223001U, announcement date August 19, 2022, discloses a production copper bar stretching machine with adjustable diameter, which can realize stable stretching of copper bar through stable stretching structure, and can realize protection, limiting and supporting of copper bar through discharging assembly, so as to ensure that the copper bar after stretching does not bend, and avoid uneven stretching and bending due to overstretching.

[0004] The prior art in the above has the following defects: the size of the broach needs to be used when broaching, and the model needs to be replaced according to the use, but the replacement is troublesome, and the tool bit may fall off, affecting the processing efficiency. UTILITY MODEL CONTENT

[0005] In view of the defects of the prior art, a broaching machine for stretching copper bar is disclosed, which comprises a bottom plate, a fixed plate is installed on the upper wall of the bottom plate, a sliding groove is formed in the bottom plate, a sliding block is slidably arranged in the sliding groove, an installation plate is installed on the upper wall of the sliding block, a hydraulic clamp jaw is installed on the installation plate, a screw rod is screwed through the sliding block, one end of the screw rod is rotatably connected with the sliding groove, the other end of the screw rod is rotatably penetrated through the bottom plate, a motor is installed on the end of the screw rod penetrated through the bottom plate through a speed reducer, and the motor is fixed on the bottom plate.

[0006] The fixed plate away from the motor is provided with a mounting groove, the mounting groove is inserted with a mounting block matched with the mounting groove, and the mounting block is provided with a broach.

[0007] A limiting structure is installed on the fixed plate, the limiting structure comprises a limiting plate slidably installed on the upper wall of the fixed plate, a first threaded rod is rotatably installed at one end of the limiting plate, and a fixed block is screwed through the first threaded rod.

[0008] Preferably, an auxiliary plate is installed between the pair of fixed plates, a through groove matched with the auxiliary plate is formed in the sliding block, and the auxiliary plate slidably penetrates through the through groove.

[0009] Preferably, the bottom plate lower end is provided with a base, the base left and right ends are provided with grooves, the grooves are slidably provided with sliding plates, the sliding plates are vertically provided with clamping plates, the sliding plates are screw-penetrated with second threaded rods, and one end of the second threaded rods is rotationally installed on the groove side wall.

[0010] Preferably, the bottom plate and the base are connected through a hydraulic cylinder.

[0011] The utility model has the advantages of reasonable structure and novel design. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is a schematic plan view of the utility model;

[0013] Fig. 2 It is a schematic plan view of the left fixing plate in the utility model.

[0014] In the drawing: 1 - bottom plate, 2 - fixed plate, 3 - sliding groove, 4 - sliding block, 5 - mounting plate, 6 - hydraulic clamping jaw, 7 - screw rod, 8 - motor, 9 - installation groove, 10 - installation block, 11 - broach, 12 - limit plate, 13 - first threaded rod, 14 - fixed block, 15 - auxiliary plate, 16 - through groove, 17 - base, 18 - groove, 19 - sliding plate, 20 - clamping plate, 21 - second threaded rod, 22 - hydraulic cylinder. DETAILED DESCRIPTION

[0015] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0016] Please refer to Figs. 1-2A drawbench for stretching copper bar, it includes the bottom plate 1, the fixed plate 2 is installed on the left and right ends of the upper wall of the bottom plate 1, the hole is opened on the left fixed plate 2 for the copper bar to pass through, the sliding slot 3 is opened on the bottom plate 1, the sliding block 4 is slidably arranged in the sliding slot 3, the mounting plate 5 is installed on the upper wall of the sliding block 4, the hydraulic clamping jaw 6 is installed on the mounting plate 5, the screw rod 7 is screwedly penetrated on the sliding block 4, one end of the screw rod 7 is rotatably connected with the sliding slot 3, the other end of the screw rod 7 is rotatably penetrated through the bottom plate 1, the motor 8 is installed on the end of the screw rod 7 penetrated through the bottom plate 1 through the reduction box, and the motor 8 is fixed on the bottom plate 1;

[0017] The motor 8 is started, the motor 8 works to drive the screw rod 7 to rotate in the sliding block 4, so that the mounting plate 5 can be moved, and then the hydraulic clamping jaw 6 is moved, the copper rod is clamped through the hydraulic clamping jaw 6, and the copper rod can be moved by cooperating with the movement of the hydraulic clamping jaw 6;

[0018] The mounting groove 9 is opened on the fixed plate 2 away from the motor 8, the mounting block 10 matched with the mounting groove 9 is inserted into the mounting groove 9, the drawknife 11 is installed on the mounting block 10, and the connecting groove is opened on the side wall of the left fixed plate 2 for the drawknife 11 to pass through;

[0019] The limiting structure is installed on the fixed plate 2, the limiting structure includes the limiting plate 12 slidably installed on the upper wall of the fixed plate 2, one end of the limiting plate 12 is rotatably installed with the first threaded rod 13, the fixed block 14 is screwedly penetrated on the first threaded rod 13, and the fixed block 14 is fixed on the fixed plate 2;

[0020] When the mounting block 10 is fixed, the first threaded rod 13 is rotated to move the first threaded rod 13, so as to drive the limiting plate 12 to move, the limiting plate 12 is moved above the mounting block 10, the position of the mounting block 10 is fixed, and then the drawknife 11 is fixed;

[0021] A pair of fixed plates 2 are installed with the auxiliary plate 15, the through groove 16 matched with the auxiliary plate 15 is opened on the sliding block 4, the auxiliary plate 15 is slidably penetrated through the through groove 16, and the stability of the sliding block 4 is improved;

[0022] The base 17 is arranged at the lower end of the bottom plate 1, the groove body 18 is opened at the left and right ends of the base 17, the sliding plate 19 is slidably arranged in the groove body 18, the clamping plate 20 is perpendicularly installed on the sliding plate 19, the second threaded rod 21 is screwedly penetrated on the sliding plate 19, and one end of the second threaded rod 21 is rotatably installed on the side wall of the groove body 18;

[0023] The base 17 is placed on the workbench, the second threaded rod 21 is rotated to move the sliding plate 19, so as to move the clamping plate 20, the clamping plate 20 is clamped on the two sides of the workbench, the base 17 is fixed, and the stability of the device is improved;

[0024] The bottom plate 1 and the base 17 are connected through the hydraulic cylinder 22, the height of the bottom plate 1 is convenient to adjust, and the adjustment is strong.

[0025] Embodiment: In use, place the base 17 on the workbench, rotate the second threaded rod 21 to move the sliding plate 19, thereby moving the clamping plate 20, and fix the base 17 by clamping the clamping plate 20 on both sides of the workbench. Adjust the height of the base plate 1 according to the on-site requirements, select the appropriate broach 11 according to the diameter of the copper bar, insert the mounting block 10 with the corresponding type of broach 11 into the mounting groove 9, and limit the mounting block 10 by the limiting plate 12. In use, pass the copper bar through the broach 11 and fix it on the hydraulic clamping jaw 6, then start the motor 8 to drive the screw rod 7 to rotate, thereby driving the sliding block 4 to move, and pull the copper bar in the broach 11 to perform broaching, so as to form the copper bar.

[0026] In the description of this scheme, it should be explained that unless otherwise explicitly specified and limited, the terms'mounting', 'connecting', 'connecting', 'communicating' should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements, it can be wireless connection, or it can be wired connection. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0027] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A broaching machine for stretching a copper bar, characterized in that, It includes the bottom plate (1), the fixed plate (2) is installed on the upper wall left and right ends of the bottom plate (1), the slide groove (3) is set up on the bottom plate (1), the sliding block (4) is arranged in the slide groove (3), the mounting plate (5) is installed on the upper wall of the sliding block (4), the hydraulic clamping jaw (6) is installed on the mounting plate (5), the screw rod (7) is screwed through the sliding block (4), one end of the screw rod (7) is rotatably connected with the slide groove (3), the other end of the screw rod (7) is rotatably penetrated through the bottom plate (1), the motor (8) is installed on the end of the screw rod (7) penetrated through the bottom plate (1) through the speed reducer box, the motor (8) is fixed on the bottom plate (1); The fixed plate (2) away from the motor (8) is provided with a mounting groove (9), the mounting block (10) matched with the mounting groove (9) is inserted into the mounting groove (9), the pull knife (11) is installed on the mounting block (10); The fixed plate (2) is provided with a limiting structure, the limiting structure comprises a limiting plate (12) slidably installed on the upper wall of the fixed plate (2), a first threaded rod (13) is rotatably installed on one end of the limiting plate (12), the fixed block (14) is screwed through the first threaded rod (13), and the fixed block (14) is fixed on the fixed plate (2).

2. The stretch bender of claim 1 wherein, A pair of the fixed plate (2) is provided with an auxiliary plate (15), the sliding block (4) is provided with a through groove (16) matched with the auxiliary plate (15), and the auxiliary plate (15) is slidably penetrated through the through groove (16).

3. The drawbench for drawing copper bars according to claim 1, characterized in that, The bottom plate (1) is provided with a base (17) at the lower end, the groove body (18) is provided at the left and right ends of the base (17), the sliding plate (19) is slidably arranged in the groove body (18), the clamping plate (20) is vertically installed on the sliding plate (19), the second threaded rod (21) is screwed through the sliding plate (19), and one end of the second threaded rod (21) is rotatably installed on the side wall of the groove body (18).

4. The drawbench for stretching copper bars according to claim 1, characterized in that, The bottom plate (1) and the base (17) are connected through the hydraulic cylinder (22).

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