CN211842308U - Inclined plane punching device - Google Patents

Abstract

The utility model discloses an inclined plane punching device, which relates to the technical field of machining equipment and comprises a positioning plate and a clamping mechanism which are arranged on a frame, wherein the clamping mechanism comprises clamping power cylinders arranged at two sides of the positioning plate and positioning clamping blocks connected with the extending ends of the clamping power cylinders; the positioning clamping block is provided with a clamping part for clamping the side face of the part to be punched and a positioning part corresponding to the hole position to be processed of the part to be punched, the outer end face of the positioning part is an inclined face provided with a punching power cylinder, and a punching cutter penetrating through the positioning part and facing the hole position to be processed is arranged at the tail end of a piston of the punching power cylinder. The utility model provides a there is the poor and low problem of production efficiency of hole position uniformity in the trompil of current injection molding inclined plane.

Description

Inclined plane punching device

Technical Field

The utility model belongs to the technical field of machining equipment technique and specifically relates to an inclined plane punching device.

Background

The hole site on the injection molding piece is offered the mode and is included direct injection moulding and follow-up machine tooling shaping, and the hole site on the injection molding piece vertical plane or horizontal plane is usually through setting up the direct injection moulding of core at injection mold, and because the restriction of injection mold structure, the hole site on the injection molding piece inclined plane generally can't be through injection molding, needs artifical supplementary completion. For the injection molding product with hole sites on the bottom inclined surface of the product, the existing hole opening mode is to manually drill holes by using an electric hand drill according to positioning points on the bottom inclined surface of the product, and then to process burrs after the drilling is finished. The inclined plane hole opening mode has the following defects: the position degree of the hole is not easy to be ensured, the consistency of the hole position of the product is poor, the production efficiency is low, and the rejection rate is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an inclined plane punching device, this kind of device can solve the problem that there is the hole position uniformity poor and production efficiency is low in current injection molding inclined plane trompil.

In order to solve the above problem, the utility model discloses a technical scheme is: the inclined plane punching device comprises a positioning plate and a clamping mechanism which are arranged on a rack, wherein the clamping mechanism comprises clamping power cylinders arranged on two sides of the positioning plate and positioning clamping blocks connected with the extending ends of the clamping power cylinders; the positioning clamping block is provided with a clamping part for clamping the side face of a part to be punched and a positioning part corresponding to a hole position to be processed of the part to be punched, the outer end face of the positioning part is an inclined plane provided with a punching power cylinder, and the tail end of a piston of the punching power cylinder is provided with a punching cutter which penetrates through the positioning part and faces the hole position to be processed.

In the technical solution of the inclined plane punching device, a more specific technical solution may also be: and the rack is provided with a buffer which is abutted against the positioning clamping block.

Furthermore, the clamping power cylinder is connected with the positioning clamping block through a guide supporting block.

Furthermore, a linear guide rail which is connected with the guide supporting block in a sliding manner is arranged on the rack.

Furthermore, the clamping power cylinder is arranged obliquely upwards towards the direction of the positioning clamping block.

Furthermore, the clamping power cylinder and the punching power cylinder both adopt air cylinders.

Since the technical scheme is used, compared with the prior art, the utility model following beneficial effect has:

1. the positioning plate and the clamping mechanism are arranged on the rack to clamp the part to be punched, the punching mechanism is arranged on the inclined surface of the positioning block of the clamping mechanism, the hole position on the inclined surface of the part to be punched can be accurately punched, the hole position of the product can be effectively ensured, and the hole position of the product has good consistency and high qualification rate; can punch two inclined holes at a time, and has high production efficiency.

2. The clamping power cylinder is connected with the positioning clamping block through the guide supporting block, so that the positioning clamping block can be replaced conveniently according to products; the linear guide rail is arranged, so that the clamping accuracy is improved, the positioning clamping block and the stamping mechanism on the positioning clamping block are supported, the normal work of the clamping power cylinder is ensured, and the service life of the clamping power cylinder is prolonged.

3. The clamping power cylinder is arranged obliquely upwards, so that the supporting force is improved.

Drawings

FIG. 1 is a schematic view of an embodiment of a part to be punched.

Fig. 2 is a schematic structural diagram of an embodiment of the bevel punching device.

Reference numerals in the drawings indicate: 1. a part to be punched; 1-1, hole sites to be processed; 2. a frame; 3. positioning a plate; 4. a clamping mechanism; 4-1, clamping a power cylinder; 4-2, linear guide rails; 4-3, a guide supporting block; 4-4, positioning the clamping block; 4-41, a clamping part; 4-42, a positioning part; 5. a punching mechanism; 5-1, punching a power cylinder; 5-2, punching a cutter; 6. a buffer.

Detailed Description

The invention will be described in more detail with reference to the following embodiments:

the part shown in figure 1 is processed by adopting the inclined plane punching device, the bottom of the part 1 to be punched is provided with two inclined planes which are symmetrically arranged, and each inclined plane is correspondingly provided with a hole site 1-1 to be processed. As shown in fig. 2, the inclined plane punching device mainly comprises a frame 2, a positioning plate 3, a clamping mechanism 4, a punching mechanism 5 and a buffer 6, wherein the positioning plate 3 is installed in the middle of the frame 2, and a positioning structure (not shown in the figure) matched with the part 1 to be punched is arranged on the positioning plate 3 so as to determine the placing position of the part 1-1 to be punched on the positioning plate. The clamping mechanism 4 comprises clamping power cylinders 4-1 which are symmetrically arranged at two sides of the positioning plate 3, and the extending end of each clamping power cylinder 4-1 is connected with a positioning clamping block 4-4 for clamping the part 1 to be punched through a guide supporting block 4-3; the clamping power cylinder 4-1 is obliquely and upwards arranged towards the direction of the positioning clamping block 4-4, so that the clamping stability can be improved; a linear guide rail 4-2 is arranged on the rack 2 corresponding to the stroke position of the piston rod of the clamping power cylinder 4-1, and a guide supporting block 4-3 is in sliding connection with the linear guide rail 4-2. In order to improve the punching precision, the punching mechanism 5 of the inclined plane punching device is directly arranged on a positioning clamping block 4-4, the positioning clamping block 4-4 is provided with a clamping part 4-41 and a positioning part 4-42, the clamping part 4-41 and the positioning part 4-42 form a bending structure, and the inner wall of the clamping part 4-41 is matched with the side surface of the part 1 to be punched so as to clamp the part 1 to be punched from the side surface; the positioning parts 4-42 of the two positioning clamping blocks 4-4 are arranged oppositely, when the two positioning clamping blocks 4-4 clamp the part 1 to be punched on the positioning plate 3, the positioning parts 4-42 are positioned at the outer end of the part 1 to be punched and are opposite to the hole site 1-1 to be processed of the part 1 to be punched, the outer end surfaces of the positioning parts 4-42 are inclined surfaces parallel to the inclined surface where the hole site 1-1 to be processed of the part 1 to be punched is positioned, and the inclined surfaces of the positioning clamping blocks 4-4 are provided with punching mechanisms 5. The punching mechanism 5 comprises a punching power cylinder 5-1 and a punching cutter 5-2 installed at the tail end of a piston of the punching power cylinder 5-1, the piston of the punching power cylinder 5-1 penetrates through a positioning part 4-42 of a positioning clamping block 4-4 and faces to a hole position 1-1 to be processed, the piston of the punching power cylinder 5-1 is perpendicular to an inclined plane of the positioning clamping block 4-4, the punching cutter 5-2 is coaxial with the piston of the punching power cylinder 5-1, and the outer diameter of a blanking part of the punching cutter 5-2 is matched with the size of the hole to be processed, so that one-step punching forming is realized. The frame 2 is also provided with a buffer 6, and when the positioning clamping blocks 4-4 are abutted against the buffer 6, the positioning clamping blocks 4-4 clamp the part 1 to be punched. The clamping power cylinder 4-1 and the punching power cylinder 5-1 of the embodiment both adopt air cylinders.

When the punching machine works, a part 1 to be punched is placed on the positioning plate 3, the front end of the part 1 to be punched can be held by hands, the clamping power cylinders 4-1 on the two sides are started, the pistons of the clamping power cylinders 4-1 extend outwards, the guide supporting block 4-3 moves towards the part 1 to be punched along the linear guide rail 4-2, the positioning clamping blocks 4-4 move along with the clamping power cylinders, when the positioning clamping blocks 4-4 contact the buffer 6, the clamping power cylinders 4-1 stop moving, and at the moment, the part 1 to be punched is clamped and fixed on the positioning plate 3 by the two positioning clamping blocks 4-4; then, starting a stamping power cylinder 5-1, driving a piston of the stamping power cylinder 5-1 to drive a punching cutter 5-2 to move downwards in an inclined mode, and punching and forming the hole position to be processed 1-1 on the inclined surface of the part to be punched 1 at one time; after the punching is finished, driving a piston of the punching power cylinder 5-1 to drive a punching cutter 5-2 to retract to an original position; then, a piston of the clamping power cylinder 4-1 is driven to retract, and the guide supporting block 4-3, the positioning clamping block 4-4 and the punching mechanism 5 are driven to move reversely along the linear guide rail 4-2 until the position returns to the original position; and finally, taking out the punched product.

Claims (6)

1. An inclined plane punching device which is characterized in that: the clamping mechanism comprises clamping power cylinders arranged on two sides of the positioning plate and positioning clamping blocks connected with the extending ends of the clamping power cylinders; the positioning clamping block is provided with a clamping part for clamping the side face of a part to be punched and a positioning part corresponding to a hole position to be processed of the part to be punched, the outer end face of the positioning part is an inclined plane provided with a punching power cylinder, and the tail end of a piston of the punching power cylinder is provided with a punching cutter which penetrates through the positioning part and faces the hole position to be processed.

2. The bevel punch apparatus of claim 1 wherein: and the rack is provided with a buffer which is abutted against the positioning clamping block.

3. The bevel punch apparatus of claim 2 wherein: the clamping power cylinder is connected with the positioning clamping block through a guide supporting block.

4. The bevel punch apparatus of claim 3 wherein: and the rack is provided with a linear guide rail which is in sliding connection with the guide supporting block.

5. The bevel punch apparatus as claimed in any one of claims 1 to 4, wherein: the clamping power cylinder is arranged in an inclined and upward mode towards the direction of the positioning clamping block.

6. The bevel punch apparatus of claim 5 wherein: the clamping power cylinder and the punching power cylinder both adopt air cylinders.

Images