CN202290967U - Bilateral special-shaped punching machine - Google Patents

Abstract

The bilateral special-shaped punching machine is characterized in that a left punch and a right punch are respectively driven by a left punching oil cylinder and a right punching oil cylinder to punch a hardware rod piece clamped in an upper die semicircular groove and a lower die semicircular groove. The upper die is fixed on an upper die pressing plate, the upper die pressing plate is fixed on a piston rod of an upper die driving oil cylinder, and the lower die is fixed on a workbench; the upper die is provided with an upper die semicircular groove, an upper die piece taking square groove and a positioning square groove, the lower die is provided with a lower die semicircular groove, a lower die piece taking square groove and a step, the upper die semicircular groove is opposite to the lower die semicircular groove, the upper die piece taking square groove is opposite to the lower die piece taking square groove, and the positioning square groove is clamped on the step. Holes with different diameters can be punched on two sides of the hardware rod piece, so that the workpiece is very convenient to take and place, and the production efficiency is improved; meanwhile, the die can ensure that the hardware rod piece has no large deformation in the punching process, and the yield of products is high.

Description

Bilateral special-shaped punching machine

Technical field:

The utility model relates to the technical field of punching machines, in particular to a punching machine for simultaneously punching two sides of a hardware rod. the

Background technique:

At present, the general metal bar punching machine in China uses an ordinary punching machine to punch holes. The ordinary punching machine drives the eccentric wheel to rotate through the motor, and the eccentric wheel acts on the punch rod. The parts are punched. Its disadvantages are: 1. Only holes on one side can be punched at a time. 2. Only one type of hole can be punched. If the hole diameters on the two sides of the hardware rod are not consistent, the punch needs to be replaced for secondary punching, and the production efficiency is low. 3. The metal rod is easy to deform and bulge during the punching process. the

Utility model content:

The purpose of this utility model is to provide a double-sided special-shaped punching machine for the deficiencies of the prior art, which can simultaneously punch out holes with different diameters on the two sides of the hardware rod, which is very convenient to take and place the workpiece, and improves the production efficiency. Efficiency; at the same time, its mold can ensure that there is no major deformation of the metal rod during the punching process, and the product yield is high. the

The technical solutions of the utility model are as follows:

Bilateral special-shaped punching machine, including a workbench, four columns are fixed on the workbench, a top plate is fixed on the column, an upper mold drive cylinder is fixed on the top plate, a left punching cylinder and a right punching cylinder are fixed on the workbench, and a left punching cylinder is fixed on the workbench. The punching cylinder and the right punching cylinder are relatively arranged on the workbench;

A left punching block is fixed on the piston rod of the left punching cylinder, the left punching block is inserted into the left guide block, and the left guide block is fixed on the workbench in front of the piston rod of the left punching cylinder;

The piston rod of the right punching cylinder is fixed with a right punching block, the right punching block is inserted into the right guide block, and the right guide block is fixed on the workbench in front of the piston rod of the right punching cylinder;

A left punch is fixed on the left guide block, a right punch is fixed on the right guide block, and the left punch and the right punch face the semicircular groove of the lower die on the lower die;

The upper mold is fixed on the upper mold pressing plate, the upper mold pressing plate is fixed on the piston rod of the upper mold driving cylinder, and the lower mold is fixed on the workbench; 

The upper mold is formed with upper mold semicircular groove, upper mold picking square groove and positioning square groove, and the lower mold is formed with lower mold semicircular groove, lower mold picking square groove steps, upper mold semicircular groove and lower mold semicircular groove facing each other. The square slot for picking up the upper mold is opposite to the square slot for picking up the lower mold, and the square slot for positioning is clamped on the step. the

The left guide block and the right guide block are respectively fixed on the workbench by screws. the

The upper mold is fixed on the upper mold pressing plate by screws, and the lower mold is fixed on the workbench by screws. the

A guide post is fixed on the pressing plate of the upper mold, and the guide post is inserted into a preset hole on the top plate. the

The beneficial effects of the utility model are:

1. It drives the left punch and the right punch through the oil cylinder, and punches holes with different diameters on the two sides of the metal rod. It can punch special-shaped holes on the metal rod at the same time, which improves the work efficiency. the

2. The upper mold and the lower mold are fastened together during the punching process to prevent deformation and swelling of the hardware rods and ensure product quality. the

3. By inserting the punching block into the guide block, the running balance of the left punch and the right punch can be realized to ensure the quality of the punched holes. the

4. By setting guide pillars on the pressing plate of the upper die, it is ensured that the upper die and the lower die cooperate more closely, and avoid shaking during the punching process, causing deformation of the hardware rod. the

Description of drawings:

Fig. 1 is the structural representation of the utility model

Figure 2 is a schematic diagram of the connection relationship between the left punching cylinder, the left punch block and the left guide block

Figure 3 is a schematic diagram of the connection relationship between the right punching cylinder, the right punch block and the right guide block

Figure 4 is a three-dimensional schematic diagram of the upper mold

Figure 5 is a three-dimensional schematic diagram of the lower mold

Figure 6 is an explanatory diagram of the working principle

Detailed ways:

Embodiment: As shown in Figures 1 to 5, the bilateral special-shaped punching machine includes a workbench 1, four columns 2 are fixed on the workbench 1, a top plate 3 is fixed on the column 2, and an upper mold drive cylinder is fixed on the top plate 3 4. The left punching cylinder 5 and the right punching cylinder 6 are fixed on the workbench 1, and the left punching cylinder 5 and the right punching cylinder 6 are relatively arranged on the workbench 1;

The piston rod of the left punching cylinder 5 is fixed with a left punching block 51, the left punching block 51 is inserted and sleeved in the left guide block 52, and the left guide block 52 is fixed on the workbench 1 in front of the piston rod of the left punching oil cylinder 5 ;

The piston rod of the right punching cylinder 6 is fixed with a right punching block 61, the right punching block 61 is inserted in the right guide block 62, and the right guide block 62 is fixed on the workbench 1 in front of the piston rod of the right punching oil cylinder 6 ;

A left punch 9 is fixed on the left guide block 52, a right punch 10 is fixed on the right guide block 62, and the left punch 9 and the right punch 10 face the lower die semicircular groove 81 on the lower die 8;

The upper mold 7 is fixed on the upper mold pressing plate 11, the upper mold pressing plate 11 is fixed on the piston rod of the upper mold driving cylinder 4, and the lower mold 8 is fixed on the workbench 1;

Upper mold 7 is formed with upper mold semicircle groove 71, upper mold picking square groove 72 and positioning square groove 73, lower mold 8 is formed with lower mold semicircular groove 81, lower mold picking square groove 82 and step 83, upper mold The semicircular groove 71 is opposite to the semicircular groove 81 of the lower mold, the square groove 72 of the upper mold is opposite to the square groove 82 of the lower mold, and the positioning square groove 73 is clamped on the step 83 . the

The left guide block 52 and the right guide block 62 are respectively fixed on the workbench 1 by screws. the

The upper mold 7 is fixed on the upper mold pressing plate 11 by screws, and the lower mold 8 is fixed on the workbench 1 by screws. the

A guide post 12 is fixed on the upper molding plate 11 , and the guide post 12 is inserted into a preset hole on the top plate 3 . the

Working principle: It drives the left punch 9 and the right punch 10 respectively through the left station hole cylinder 5 and the right punch cylinder 6, and punches holes of different diameters on the two sides of the hardware rod, as long as the left punch 9 and the right punch The size of 10 is not the same, just correspondingly punches the hole of different diameters on hardware rod A two limits. The utility model can punch special-shaped holes on the hardware rod A at one time at the same time, thereby improving the working efficiency. the

When punching, the positioning square groove 73 is clamped on the step 83, and the semicircular groove 71 of the upper mold and the semicircular groove 81 of the lower mold are pressed against the hardware rod A, so that the hardware rod A will not bulge or deform when punching. the

As shown in FIG. 6 , when the upper mold 7 and the lower mold 8 are separated, the processed metal rod A is manually clamped by a clamp. the

As shown in Figures 2 and 3, by inserting the left punch block 51 into the left guide block 52 and the right punch block 61 into the right guide block 62, when the left punch 9 and the right punch 10 are punched, Run the balance to ensure the quality of the punched holes. the

Claims (4)

1. bilateral special-shaped puncher; Comprise workbench (1); It is characterized in that: be fixed with four root posts (2) on the workbench (1), be fixed with top board (3) on the column (2), be fixed with patrix driving oil cylinder (4) on the top board (3); Be fixed with left punching oil cylinder (5) and right punching oil cylinder (6) on the workbench (1), left punching oil cylinder (5) and right punching oil cylinder (6) are gone up positioned opposite at workbench (1);

Be fixed with a left side on the piston rod of left side punching oil cylinder (5) towards piece (51), in left guide block (52), left guide block (52) is fixed on the workbench (1) in the place ahead of piston rod of left punching oil cylinder (5) towards piece (51) sleeve on a left side;

Be fixed with on the piston rod of right punching oil cylinder (6) right towards piece (61), right towards piece (61) sleeve in right guide block (62), right guide block (62) is fixed on the workbench (1) in the place ahead of piston rod of right punching oil cylinder (6);

Be fixed with left drift (9) on the left side guide block (52), be fixed with right drift (10) on the right guide block (62), left drift (9) and right drift (10) are facing to the counterdie half slot (81) on the counterdie (8);

Patrix (7) is fixed on the upper molded plate (11), and upper molded plate (11) is fixed on the piston rod of patrix driving oil cylinder (4), and counterdie (8) is fixed on the workbench (1);

Form patrix half slot (71), patrix pickup square groove (72) and location square groove (73) on the patrix (7); Form counterdie half slot (81), counterdie pickup square groove (82) and step (83) on the counterdie (8); Patrix half slot (71) and counterdie half slot (81) are relative; Patrix pickup square groove (72) and counterdie pickup square groove (82) are relative, and location square groove (73) is fastened on the step (83).

2. bilateral special-shaped puncher according to claim 1 is characterized in that: left guide block (52) and right guide block (62) are fixed on the workbench (1) through screw respectively.

3. bilateral special-shaped puncher according to claim 1 is characterized in that: patrix (7) is fixed on the upper molded plate (11) through screw, and counterdie (8) is fixed on the workbench (1) through screw.

4. bilateral special-shaped puncher according to claim 1 is characterized in that: be fixed with guide pillar (12) on the upper molded plate (11), in the preset hole of guide pillar (12) sleeve on top board (3).

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