CN219299717U - A hole-turning positioning pin for hardware parts - Google Patents

Abstract

The utility model discloses a hole-turning positioning pin for hardware parts, which belongs to the technical field of equipment for hardware parts. A hole-turning positioning pin for hardware parts includes a hole-turning rod, and a positioning rod is arranged on the outer wall of the top end of the hole-turning rod. The center of the top outer wall of the hole rod is fixed with an external threaded rod, and the outer wall of the bottom end of the positioning rod is provided with an internal thread groove corresponding to the external threaded rod, and the internal thread groove is screwed with the external threaded rod. One installation slot, the hole-turning rod is located on the top outer wall around the external thread rod, and there is an insertion groove through it; in this scheme, the hole-turning rod, positioning rod, internal thread groove, external thread rod, card slot, first installation groove, mobile plate , the insertion rod, the insertion slot, the cable and the spring are easy to assemble and fix the turning rod and the positioning rod. When in use, when the turning rod or the positioning rod is worn, only the worn part needs to be replaced instead of the whole Equipment saves resources, reduces costs and improves the service life of equipment.

Description

A hole-turning positioning pin for hardware parts

technical field

The utility model relates to the technical field of equipment for hardware parts, in particular to a hole-turning positioning pin for hardware parts.

Background technique

Hardware accessories refer to machine parts or components made of hardware, as well as some small hardware products; it can be used alone or as an auxiliary tool; such as hardware tools, hardware parts, daily hardware, construction hardware and security supplies, etc.; In the existing technology, in the production process of hardware parts, it is necessary to locate and turn the parts through positioning pins and hole turning pins;

It is found through patent retrieval that the Chinese patent with the publication number CN215487081U discloses a hole-turning positioning pin, which includes a pin shaft body, one end of the pin shaft body is provided with a positioning section, and the other end of the pin shaft body is provided with a fixing part , the fixing part is used to connect with the mould, the pin shaft body is also provided with a hole-turning section between the positioning section and the fixing part, and the diameter of the hole-turning section is larger than that of the positioning section diameter;

The hole-turning locating pin mentioned above is integrated, and the positioning section and the hole-turning section are not easy to disassemble. After a long time of use, the hole-turning locating pin is prone to wear when in contact with the workpiece, which affects the subsequent normal use of the locating pin. If the hole-turning section is worn out, the whole part must be replaced, which is a waste of operating costs.

Utility model content

1. Technical problems to be solved

Aiming at the problems existing in the prior art, the purpose of this utility model is to provide a hole-turning positioning pin for hardware parts. This solution is convenient for assembling and fixing the hole-turning rod and the positioning rod. At the same time, only the worn part needs to be replaced, and the whole equipment does not need to be replaced, which saves resources, reduces costs and improves the service life of the equipment.

2. Technical solution

In order to solve the above problems, the utility model adopts the following technical solutions.

A hole-turning positioning pin for hardware parts, comprising a hole-turning rod, a positioning rod is arranged on the top outer wall of the hole-turning rod, an externally threaded rod is fixed at the center of the top outer wall of the hole-turning rod, and the bottom of the positioning rod The outer wall of the end is provided with an internal thread groove corresponding to the external threaded rod, and the internal thread groove is screwed with the external threaded rod. The inside of the turning hole rod is provided with a first installation groove, and the turning hole rod is located on the periphery of the external threaded rod An insertion slot is opened through the outer wall of the top end, and the insertion slot communicates with the first installation slot. A moving plate is slidably installed inside the first installation slot, and a corresponding insertion slot is fixed on the outer wall of the top end of the moving plate. The insertion rod, one end of the insertion rod passes through the insertion slot, the bottom end of the positioning rod is provided with a slot corresponding to the insertion rod, and the top end of the insertion rod is inserted into the slot, the first A spring is fixed on the bottom outer wall of the installation groove, and the top end of the spring is fixed on the bottom outer wall of the moving plate.

Further, a through groove is opened at the center of the bottom inner wall of the first installation groove, a second installation groove is opened on the bottom inner wall of the through groove, and a rotating shaft is installed on the inner wall of the second installation groove. A cam is sleeved on the outer wall of the rotating shaft, a drag cable is fixed on the outer wall of the protruding part of the cam, and the other end of the drag cable passes through the through slot and is fixed to the outer wall of the moving plate.

Further, a third mounting groove is provided on one side of the hole-turning rod corresponding to the rotating shaft, and a round block is fixed on one end of the rotating shaft located in the third mounting groove, and a hexagonal block is arranged on one side of the round block. shaped groove.

Further, the hole turning rod includes a hole turning cone section and a hole turning straight section.

Further, the positioning rod includes a guide cone section and a positioning straight section.

Further, an annular groove is provided on the outer wall of the hole turning rod below the third installation groove.

3. Beneficial effect

Compared with the prior art, the utility model has the advantages of:

(1) The coordination of the hole turning rod, the positioning rod, the internal thread groove, the external thread rod, the card groove, the first installation groove, the moving plate, the insertion rod, the insertion groove, the cable and the spring is convenient for turning the hole The rod and the positioning rod are assembled and fixed. When the drilling rod or the positioning rod is worn out during use, only the worn part needs to be replaced instead of the whole device, which saves resources, reduces costs and improves the service life of the equipment.

Description of drawings

Fig. 1 is the front view three-dimensional structure schematic diagram of the utility model;

Fig. 2 is the schematic diagram of the connection cut-away structure of the turning-over rod and the positioning rod of the utility model;

Fig. 3 is a partial side view cut-away structure diagram of the hole-turning rod of the present invention.

Explanation of symbols in the figure:

1. Turning hole rod; 2. Positioning rod; 3. Internal thread groove; 4. External thread rod; 5. Card slot; 6. First installation groove; 7. Moving plate; Slot; 10, cable; 11, spring; 12, through slot; 13, the second installation slot; 14, the third installation slot; 15, rotating shaft; 16, cam; 17, round block; 18, hexagonal slot.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention; obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. For example, based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present invention.

Example 1:

Please refer to Figure 1-3, a positioning pin for turning holes for hardware parts, including a hole turning rod 1, a positioning rod 2 is arranged on the outer wall of the top end of the hole turning rod 1, and an external threaded rod is fixed at the center of the top outer wall of the hole turning rod 1 4. The outer wall of the bottom end of the positioning rod 2 is provided with an internal thread groove 3 corresponding to the external thread rod 4, and the internal thread groove 3 is screwed with the external thread rod 4, and the inside of the turning rod 1 is provided with a first installation groove 6, The hole-turning rod 1 is located on the top outer wall around the external threaded rod 4 and is provided with an insertion groove 9, and the insertion groove 9 communicates with the first installation groove 6, and the inside of the first installation groove 6 is slidably installed with a moving plate 7. On the outer wall of the top end of the moving plate 7, the corresponding plug-in slot 9 is fixed with a plug-in rod 8, and one end of the plug-in rod 8 passes through the plug-in slot 9, and the bottom end of the positioning rod 2 is provided with a card slot 5 corresponding to the plug-in rod 8 , and the top of the plug-in rod 8 is inserted into the card slot 5, a spring 11 is fixed on the bottom outer wall of the first installation slot 6, and the top of the spring 11 is fixed on the bottom outer wall of the moving plate 7, the structure is simple, and the operation is convenient. It is convenient to assemble, fix, disassemble and replace hole-turning rod 1 and positioning rod 2, and it is relatively stable and firm when fixed;

Please refer to Fig. 3, a through groove 12 is provided at the center of the bottom inner wall of the first installation groove 6, and a second installation groove 13 is provided on the bottom inner wall of the through groove 12, and a rotating shaft is installed on the inner wall of the second installation groove 13. 15. A cam 16 is sleeved on the outer wall of the rotating shaft 15, and a drag cable 10 is fixed on the outer wall of the protrusion of the cam 16. The other end of the drag cable 10 passes through the through groove 12 and is fixed on the outer wall of the moving plate 7. The cam 16 rotates, It is more practical to drive the mobile plate 7 to move conveniently through the drag cable 10;

Please refer to Fig. 3, on one side of the hole turning rod 1, a third installation groove 14 is provided corresponding to the rotating shaft 15, and a round block 17 is fixed on the end of the rotating shaft 15 located in the third installation groove 14, and a round block 17 is fixed on one side of the round block 17. There is a hexagonal groove 18, which is convenient for inserting an external hexagonal wrench into the hexagonal groove 18 to drive the rotating shaft 15 to rotate;

Please refer to Fig. 1, the hole turning rod 1 includes a hole turning cone section and a hole turning straight section, and the positioning hole on the part is turned over to process the hole into a corresponding straight hole or a tapered hole, etc.;

Referring to Fig. 1, the positioning rod 2 includes a guide cone section and a positioning straight section to position the parts;

Please refer to Fig. 1, an annular groove is arranged on the outer wall of the hole-turning rod 1 below the third installation groove 14, and a screw is pressed against the groove to limit the movement of the hole-turning rod 1 in the axial direction, so that the Hole turning rod 1 is fixed on the insert or mold base of mold.

When in use: when assembling and fixing the hole turning rod 1 and the positioning rod 2, use an external hexagonal wrench to insert it into the hexagonal groove 18, and rotate the round block 17, which drives the cam 16 on the rotating shaft 15 to rotate, The cam 16 pulls the moving plate 7 to move down through the cable 10, thereby driving the insertion rod 8 to retract into the insertion groove 9, cooperate with the upper internal thread groove 3 and the external thread rod 4, and screw the positioning rod 2 to the hole turning rod 1 Pull out the hex wrench, because of the elastic force of the spring 11, drive the moving plate 7 to move up, and then insert the top end of the insertion rod 8 into the slot 5, and further limit and fix the positioning rod 2. After the assembly is completed, put the Hole turning rod 1 is fixed on the insert or mold base of mold.

The above description is only a preferred embodiment of the present utility model; however, the protection scope of the present utility model is not limited thereto. Anyone familiar with the technical field within the technical scope disclosed in the utility model, according to the technical solution of the utility model and its improvement concept to make an equivalent replacement or change, shall be covered in the protection scope of the utility model.

Claims (6)

1. A hole-turning positioning pin for hardware parts, comprising a hole-turning rod (1), characterized in that: a positioning rod (2) is arranged on the outer wall of the top end of the hole-turning rod (1), and the hole-turning rod (1) ) is fixed with an externally threaded rod (4) at the center of the top outer wall, and the corresponding externally threaded rod (4) on the bottom end of the positioning rod (2) is provided with an internally threaded groove (3), and the internally threaded groove (3) Screwed with the externally threaded rod (4), the inside of the hole-turning rod (1) is provided with a first installation groove (6), and the hole-turning rod (1) is located on the top outer wall around the externally threaded rod (4) An insertion groove (9) is opened through the upper part, and the insertion groove (9) communicates with the first installation groove (6), and a moving plate (7) is slidably installed inside the first installation groove (6), so that The top outer wall of the moving plate (7) is fixed with a plug-in rod (8) corresponding to the plug-in slot (9), and one end of the plug-in rod (8) passes through the plug-in slot (9), and the positioning rod The bottom end of (2) is provided with a card slot (5) corresponding to the insertion rod (8), and the top of the insertion rod (8) is inserted into the card slot (5), and the bottom of the first installation groove (6) A spring (11) is fixed on the end outer wall, and the top end of the spring (11) is fixed on the bottom end outer wall of the moving plate (7). 2. A hole-turning positioning pin for hardware parts according to claim 1, characterized in that: a through groove (12) is opened at the center of the bottom inner wall of the first installation groove (6), and the through groove The inner wall of the bottom end of (12) is provided with a second installation groove (13), the inner wall of the second installation groove (13) is rotatably equipped with a rotating shaft (15), and the outer wall of the rotating shaft (15) is sleeved with Cam (16), the outer wall of said cam (16) protruding portion is fixed with a dragline (10), and the other end of said dragline (10) passes through the slot (12) and is fixed to the bottom of the moving plate (7). outer wall. 3. A hole-turning positioning pin for hardware parts according to claim 1, characterized in that: a third installation groove (14) is provided on one side of the hole-turning rod (1) corresponding to the rotating shaft (15), A round block (17) is fixed on one end of the rotating shaft (15) located in the third installation groove (14), and a hexagonal groove (18) is opened on one side of the round block (17). 4. A hole-turning positioning pin for hardware parts according to claim 1, characterized in that: the hole-turning rod (1) includes a hole-turning cone section and a hole-turning straight section. 5. A reaming positioning pin for hardware parts according to claim 1, characterized in that: the positioning rod (2) includes a guiding cone section and a positioning straight section. 6. The hole-turning positioning pin for hardware parts according to claim 1, characterized in that: the hole-turning rod (1) is provided with an annular groove on the outer wall below the third installation groove (14).

Images