Hole machining device

Abstract

The utility model discloses a hole machining device. The device comprises an upper die body, a lower die body, a positioning pin shaft and a fixed pull rod, the upper die body and the lower die body are arranged at an interval, a first through hole is formed in the center of the upper die body, a second through hole is correspondingly formed in the center of the lower die body, and two ends of a workpiece to be machined penetrate through the first through hole and the second through hole respectively; the upper die body and the lower die body are positioned and connected through a positioning pin shaft; the upper die body and the lower die body are fixedly connected through a fixed pull rod; a first drill bushing positioning hole is formed in the top face of the upper die body, and a second drill bushing positioning hole is formed in the top face of the lower die body and used for allowing a drill bit to be inserted to machine a hole in a workpiece to be machined. The first drill bushing positioning hole is communicated with the first through hole; the second drill bushing positioning hole is communicated with the second through hole; the center connecting line of the top faces of the first drill bushing positioning hole and the second drill bushing positioning hole is parallel to the central axis of the workpiece to be machined. By means of the device, two holes can be rapidly machined in the workpiece to be machined, it is guaranteed that the two holes are located in the same axis, the machining efficiency is improved, and time is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of machining, and particularly to a hole machining device. Background Art

[0002] For a cylindrical part, it is required to machine two holes on its surface, and the two holes should be on the same axis. In the prior art, the position of the hole to be machined is directly found by measuring the distance on the part, and then the drill bit is clamped by a drill chuck of a bench drill to machine the hole. In this way, the position of the machining hole needs to be found by measuring the distance for each part during machining, resulting in low machining efficiency and wasting time.

[0003] Aiming at the problem that the position of the machining hole needs to be found by measuring the distance for each part in the prior art, resulting in low machining efficiency and wasting time, no effective solution has been proposed yet. Summary of the Utility Model

[0004] An embodiment of the utility model provides a hole machining device to solve the problem that the position of the machining hole needs to be found by measuring the distance for each part in the prior art, resulting in low machining efficiency and wasting time.

[0005] To achieve the above object, the utility model provides a hole machining device, which includes: an upper die body, a lower die body, a positioning pin shaft and a fixing pull rod; the upper die body and the lower die body are arranged at intervals, a first through hole is arranged at the center of the upper die body for one end of a workpiece to be machined to penetrate; a second through hole is correspondingly arranged at the center of the lower die body for the other end of the workpiece to be machined to penetrate; the upper die body and the lower die body are positioned and connected by the positioning pin shaft; the upper die body and the lower die body are fixedly connected by the fixing pull rod; a first drill bushing positioning hole is arranged on the top surface of the upper die body, and a second drill bushing positioning hole is arranged on the top surface of the lower die body for the drill bit to be inserted to machine the hole of the workpiece to be machined; the first drill bushing positioning hole communicates with the first through hole; the second drill bushing positioning hole communicates with the second through hole; the central connection line of the top surfaces of the first drill bushing positioning hole and the second drill bushing positioning hole is parallel to the central axis of the workpiece to be machined.

[0006] Optionally, at least two positioning pin shafts are provided, and each positioning pin shaft is used to connect the positioning pin holes of the upper die body and the lower die body.

[0007] Optionally, the positioning pin holes of the upper die body are located on the surface of the upper die body close to the lower die body; the positioning pin holes of the lower die body are located on the surface of the lower die body close to the upper die body; the central axis of each positioning pin shaft is parallel to the central axis of the workpiece to be machined.

[0008] Optionally, at least two fixing tie rods are provided, and each fixing tie rod is respectively used to be inserted into the grooves provided in the upper die body and the lower die body; the central axis of each fixing tie rod is parallel to the central axis of the workpiece to be processed.

[0009] Optionally, all the positioning pin shafts and all the fixing tie rods are arranged at intervals and enclose a regular polyhedron around the workpiece to be processed.

[0010] Optionally, one ends of two fixing tie rods are respectively fixed in the grooves of one die body through standard pins; the other ends of two fixing tie rods are respectively fixed in the grooves of the other die body through nuts.

[0011] Optionally, it further includes: drill sleeves; two drill sleeves are provided and are respectively used to be inserted into the first drill sleeve positioning holes and the second drill sleeve positioning holes.

[0012] Optionally, it further includes: gaskets; the gaskets are arranged between the nuts and the die bodies.

[0013] Optionally, the upper die body is of an integral structure; the lower die body is also of an integral structure.

[0014] Advantages of the present utility model:

[0015] The present utility model provides a hole processing device, which includes: an upper die body, a lower die body, positioning pin shafts and fixing tie rods; the upper die body and the lower die body are arranged at intervals, a first through hole is provided at the center of the upper die body for one end of the workpiece to be processed to penetrate; a second through hole is correspondingly provided at the center of the lower die body for the other end of the workpiece to be processed to penetrate; the upper die body and the lower die body are positioned and connected through the positioning pin shafts; the upper die body and the lower die body are fixedly connected through the fixing tie rods; a first drill sleeve positioning hole is provided on the top surface of the upper die body, and a second drill sleeve positioning hole is provided on the top surface of the lower die body for a drill bit to be inserted to process holes in the workpiece to be processed; the first drill sleeve positioning hole communicates with the first through hole; the second drill sleeve positioning hole communicates with the second through hole; the center connection line of the top surfaces of the first drill sleeve positioning hole and the second drill sleeve positioning hole is parallel to the central axis of the workpiece to be processed. Through this device, two holes can be quickly processed in the workpiece to be processed, and the two holes are ensured to be on the same axis, improving the processing efficiency and saving time. Description of the drawings

[0016] Figure 1 is a three-dimensional view of a hole processing device provided by an embodiment of the present utility model;

[0017] Figure 2 is a side view of a hole processing device provided by an embodiment of the present utility model.

[0018] Symbolic Explanation:

[0019] Upper die body - 1, lower die body - 2, positioning pin shaft - 3, fixed pull rod - 4, first drill bushing positioning hole - 5, second drill bushing positioning hole - 6, workpiece to be machined - 7, standard pin - 8, nut - 9, gasket - 10. Specific Embodiment

[0020] In order to make the objectives, technical solutions, and advantages of the present utility model clearer, the present utility model will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0021] For a cylindrical part, it is required to machine two holes on its surface, and the two holes should be on the same axis. In the prior art, the position of the hole to be machined is directly found by measuring the distance on the part, and then the drill bit is clamped by a bench drill chuck to machine the hole. In this way, it is necessary to measure the distance to find the position of the machining hole for each part during machining, resulting in low machining efficiency and time waste.

[0022] Therefore, the present utility model provides a hole machining device. Figure 1 is a perspective view of a hole machining device provided by an embodiment of the present utility model; Figure 2 is a side view of a hole machining device provided by an embodiment of the present utility model. As Figure 1 and Figure 2 shown, the device includes:

[0023] Upper die body, lower die body, positioning pin shaft, and fixed pull rod;

[0024] The upper die body and the lower die body are arranged at intervals. A first through hole is provided at the center of the upper die body for one end of the workpiece to be machined to pass through; a second through hole is correspondingly provided at the center of the lower die body for the other end of the workpiece to be machined to pass through;

[0025] The upper die body and the lower die body are positioned and connected by a positioning pin shaft;

[0026] Specifically, at least two positioning pin shafts are provided, and each positioning pin shaft is used to connect the positioning pin holes of the upper die body and the lower die body.

[0027] As Figure 1 shown, in the present utility model, two positioning pin shafts are provided. One of the positioning pin shafts is used to connect a pair of positioning pin holes of the upper die body and the lower die body, and the other positioning pin shaft is used to connect another pair of positioning pin holes of the upper die body and the lower die body.

[0028] The positioning pin holes of the upper die body are located on the side of the upper die body close to the lower die body (i.e., the front side of the upper die body); the positioning pin holes of the lower die body are located on the side of the lower die body close to the upper die body (i.e., the reverse side of the lower die body); specifically, the two positioning pin holes of the upper die body are respectively located at the upper left corner and the lower right corner of the front side, and the two positioning pin holes of the lower die body are respectively located at the upper right corner and the lower left corner of the reverse side; the positioning pin hole at the upper left corner of the front side of the upper die body corresponds to the positioning pin hole at the upper right corner of the reverse side of the lower die body; the positioning pin hole at the lower right corner of the front side of the upper die body corresponds to the positioning pin hole at the lower left corner of the reverse side of the lower die body. The central axis of each positioning pin shaft is parallel to the central axis of the workpiece to be processed.

[0029] The upper die body and the lower die body are fixedly connected by fixing tie rods;

[0030] Specifically, at least two fixing tie rods are provided, and each fixing tie rod is respectively used to be inserted into the grooves provided on the upper die body and the lower die body;

[0031] The central axis of each fixing tie rod is parallel to the central axis of the workpiece to be processed.

[0032] As Figure 1 shown, in the present utility model, two fixing tie rods are provided, one of the fixing tie rods is used to be inserted into the groove at the lower left corner (viewed from the front) of the upper die body and the groove at the lower left corner (viewed from the front) of the lower die body, and the other fixing tie rod is used to be inserted into the groove at the upper right corner (viewed from the front) of the upper die body and the groove at the upper right corner (viewed from the front) of the lower die body.

[0033] The grooves on the upper die body are of an open structure on both sides, and the two sides are respectively the front side and the reverse side of the upper die body; the grooves on the lower die body are of an open structure on both sides, and the two sides are respectively the front side and the reverse side of the lower die body.

[0034] The central axis of each fixing tie rod is parallel to the central axis of the workpiece to be processed.

[0035] Further, one ends of the two fixing tie rods are respectively fixed in the grooves of one die body by standard pins; the other ends of the two fixing tie rods are respectively fixed in the grooves of the other die body by nuts.

[0036] Specifically, in one embodiment, one end of one fixing tie rod is fixed in the groove at the lower left corner (viewed from the front) of the upper die body by a standard pin, and the other end passes through the groove at the lower left corner (viewed from the front) of the lower die body and is fixed by a nut; one end of the other fixing tie rod is fixed in the groove at the upper right corner (viewed from the front) of the lower die body by a standard pin, and the other end passes through the groove at the upper right corner (viewed from the front) of the upper die body and is fixed by a nut.

[0037] In another embodiment, one end of a fixed pull rod is fixed in a groove at the lower left corner (viewed from the front) of the upper die body through a standard pin, and the other end passes through a groove at the lower left corner (viewed from the front) of the lower die body and is fixed by a nut; one end of the other fixed pull rod is fixed in a groove at the upper right corner (viewed from the front) of the upper die body through a standard pin, and the other end passes through a groove at the upper right corner (viewed from the front) of the lower die body and is fixed by a nut.

[0038] Further, a gasket is provided between the nut and the die body to protect the die body and prevent damage to the die body when the nut is tightened.

[0039] All the positioning pin shafts and all the fixed pull rods are arranged at intervals and enclose a regular polyhedron around the workpiece to be machined.

[0040] In the present utility model, two positioning pin shafts and two fixed pull rods are arranged at intervals and enclose a rectangular body around the workpiece to be machined.

[0041] A first drill bushing positioning hole is provided on the top surface of the upper die body, and a second drill bushing positioning hole is provided on the top surface of the lower die body for inserting a drill bit to machine a hole in the workpiece to be machined; the first drill bushing positioning hole communicates with the first through hole (i.e., one end of the workpiece to be machined can be seen from the first drill bushing positioning hole); the second drill bushing positioning hole communicates with the second through hole (i.e., the other end of the workpiece to be machined can be seen from the second drill bushing positioning hole); the center line connecting the tops of the first drill bushing positioning hole and the second drill bushing positioning hole is parallel to the central axis of the workpiece to be machined, so that two holes machined on the workpiece to be machined can be ensured to be on the same axis.

[0042] A hole machining device further includes: drill bushings; there are two drill bushings, which are respectively used to be inserted into the first drill bushing positioning hole and the second drill bushing positioning hole.

[0043] During specific operation, the drill bit is clamped by a drill chuck of a bench drill, the drill bit is inserted into the first drill bushing positioning hole to machine a hole at one end of the workpiece to be machined, and the drill bit is inserted into the second drill bushing positioning hole to machine a hole at the other end of the workpiece to be machined.

[0044] In the present utility model, the upper die body is of an integral structure; the lower die body is also of an integral structure.

[0045] The following is an explanation of the machining process of the present utility model:

[0046] 1. Insert the two drill bushings into the first drill bushing positioning hole of the upper die body and the second drill bushing positioning hole of the lower die body respectively;

[0047] 2. Fix one end of each of the two fixed pull rods to the groove of one of the die bodies respectively through standard pins; that is, fix one end of a fixed pull rod to the groove in the lower left corner of the upper die body through a standard pin, and fix one end of the other fixed pull rod to the groove in the upper right corner of the lower die body through a standard pin;

[0048] 3. Insert one end of each of the two positioning pin shafts into the positioning pin holes of the lower die body;

[0049] 4. Insert one end of the workpiece to be machined into the second through hole of the lower die body, align the positioning pin hole of the upper die body with the connected positioning pin shaft of the lower die body; and align the other end of the workpiece to be machined with the first through hole of the upper die body; complete the positioning connection of the upper die body and the lower die body;

[0050] 5. Fix the other ends of the two fixed pull rods to the grooves of the other die body respectively through washers and nuts; that is, fix the other end of a fixed pull rod to the groove in the lower left corner of the lower die body through a washer and a nut, and fix the other end of the other fixed pull rod to the groove in the upper right corner of the upper die body through a washer and a nut; complete the fixed connection of the upper die body and the lower die body;

[0051] 6. Clamp the drill bit with a drill chuck of a bench drill;

[0052] 7. Insert the drill bit into the drill sleeve and machine the hole at one end of the workpiece to be machined. After machining one hole, reverse the direction and machine the hole at the other end of the workpiece to be machined.

[0053] Advantages of the utility model:

[0054] The utility model provides a hole machining device, which includes: an upper die body, a lower die body, positioning pin shafts and fixed pull rods; the upper die body and the lower die body are arranged at intervals, a first through hole is arranged at the center of the upper die body for one end of the workpiece to be machined to penetrate; a second through hole is correspondingly arranged at the center of the lower die body for the other end of the workpiece to be machined to penetrate; the upper die body and the lower die body are positioned and connected through positioning pin shafts; the upper die body and the lower die body are fixedly connected through fixed pull rods; a first drill sleeve positioning hole is arranged on the top surface of the upper die body, and a second drill sleeve positioning hole is arranged on the top surface of the lower die body for inserting a drill bit to machine holes in the workpiece to be machined; the first drill sleeve positioning hole communicates with the first through hole; the second drill sleeve positioning hole communicates with the second through hole; the center connection line of the top surfaces of the first drill sleeve positioning hole and the second drill sleeve positioning hole is parallel to the central axis of the workpiece to be machined. Through this device, two holes can be quickly machined on the workpiece to be machined, and the two holes are ensured to be on the same axis, improving the machining efficiency and saving time.

[0055] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A hole processing device, characterized in that: include: Upper mold body, lower mold body, positioning pin shaft and fixed tie rod; The upper mold body is spaced apart from the lower mold body, a first through hole is provided at the center of the upper mold body for passing one end of a workpiece to be processed; a second through hole is correspondingly provided at the center of the lower mold body for passing the other end of the workpiece to be processed; The upper mold body and the lower mold body are positioned and connected by a positioning pin; The upper mold body and the lower mold body are fixedly connected by a fixed pull rod; The top surface of the upper mold body is provided with a first drill sleeve positioning hole, and the top surface of the lower mold body is provided with a second drill sleeve positioning hole, which are used for inserting a drill bit to process a hole in the workpiece to be processed; the first drill sleeve positioning hole is communicated with the first through hole; the second drill sleeve positioning hole is communicated with the second through hole; the center line of the top surfaces of the first drill sleeve positioning hole and the second drill sleeve positioning hole is parallel to the central axis of the workpiece to be processed.

2. The device according to claim 1, characterized in that: At least two positioning pins are provided, and each positioning pin is used to connect the positioning pin holes of the upper mold body and the lower mold body.

3. The device according to claim 2, characterized in that: The positioning pin hole of the upper mold body is located on a side of the upper mold body close to the lower mold body; The positioning pin hole of the lower mold body is located on a side of the lower mold body close to the upper mold body; The central axis of each positioning pin is parallel to the central axis of the workpiece to be processed.

4. The device according to claim 1, characterized in that: At least two fixed pull rods are provided, and each fixed pull rod is used to be inserted into a groove provided in the upper mold body and the lower mold body respectively; The central axis of each fixed pull rod is parallel to the central axis of the workpiece to be processed.

5. The device according to claim 4, characterized in that: All the positioning pins and all the fixed pull rods are arranged at intervals and surround the workpiece to be processed to form a regular polygon.

6. The device according to claim 4, characterized in that: One end of the two fixed pull rods is fixed in a groove of one of the mold bodies through a standard pin respectively; The other ends of the two fixed pull rods are fixed in the groove of the other mold body through nuts respectively.

7. The device according to claim 1, characterized in that Also includes: Drill sleeve; The drill sleeves are provided with two, which are respectively used to be installed in the first drill sleeve positioning hole and the second drill sleeve positioning hole.

8. The device according to claim 6, characterized in that Also includes: Gasket; The gasket is arranged between the nut and the mold body.

9. The device according to claim 1, characterized in that: The upper mold body is an integrated structure; the lower mold body is also an integrated structure.

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