CN217859996U

CN217859996U - Positioning tool

Info

Publication number: CN217859996U
Application number: CN202221931352.5U
Authority: CN
Inventors: 邱国平; 王春辉; 邱建; 马爱春
Original assignee: Shandong Sifang Weiye Civil Air Defense Equipment Co ltd
Current assignee: Shandong Sifang Weiye Civil Air Defense Equipment Co ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2022-11-22
Anticipated expiration: 2032-07-25

Abstract

The application relates to a positioning tool. Including the first limit for height piece of base and second limit for height piece, first limit for height piece and second limit for height piece are all fixed on the base, first limit for height piece and second limit for height piece all are equipped with the through-hole along its direction of height, pass the through-hole is equipped with fastening screw, fastening screw and base threaded connection. This application has and fixes on the base through the stopper, the bearing piece is aimed at the base and is placed, the bearing piece is placed and is made screw machine below, limit for height bolt through on the limit for height piece carries on spacingly to the bearing piece, the bolt on the rotatory stopper roof, bolt bottom and the lever separation of wearing to establish the spring, adjust the distance that blocks between piece and the stopper, the positioning bolt that rotatory restriction piece top and lever are connected, block the piece lateral wall and be connected with the bearing piece lateral wall, positioning bolt on the rotatory stopper roof, bolt on the stopper roof and the lever connection of wearing to establish the spring, reach the effect to the bearing piece location.

Description

Positioning tool

Technical Field

The application relates to the technical field of workpiece clamping devices, in particular to a positioning tool.

Background

The automobile has precise structure, a plurality of parts and different shapes and sizes. In the process of connecting the parts, a threaded connection is very common. When internal threads are machined on parts with different shapes, the parts need to be fixed on machining equipment, and after the parts are stably positioned, the parts are tapped.

In the related art, the fixing device of the lathe is a three-jaw chuck, and a circular workpiece is placed in the three-jaw chuck, so that the circular workpiece can be stably clamped, and the workpiece is fixed at the center of the workpiece; the fixing device of the milling machine is provided with a base with an adjustable opening width, a group of workpieces with parallel opposite sides are placed on the fixing device, and the workpieces are clamped by adjusting the opening width of the fixing device.

In view of the above-mentioned related art, the inventor believes that when the workpiece is limited, the workpiece is fixed at the center position, or limited in the width direction, so that the position of the workpiece in the length direction to be processed cannot be ensured at the position where the turning tool or the milling cutter is fixed, and processing at a specific position of the workpiece cannot be performed or is not convenient.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the location of work piece in specific processing position, this application provides a location frock.

The application provides a location frock adopts following technical scheme:

first limit for height piece and second limit for height piece, first limit for height piece and second limit for height piece are all fixed on the base, first limit for height piece and second limit for height piece all are equipped with the through-hole along its direction of height, pass the through-hole is equipped with fastening screw, fastening screw and base threaded connection.

Through adopting above-mentioned technical scheme, under the normality, the bolt on the rotatory stopper, the bolt upward movement on the stopper, bolt bottom and lever side surface separation, adjust and block the distance between piece and the stopper, the bearing piece lateral wall blocks the piece lateral wall with opposite directions and is connected, rotatory stopper top bolt downstream, bolt bottom and stopper in the lever side surface connection, control lever motion, rotatory limit for height piece top bolt downstream, limit for height piece bottom one end is connected with the bearing piece top surface, can make the screw thread.

Optionally, a positioning screw hole is formed in the end part, far away from the second height limiting block, of the first height limiting block, and a height fixing screw rod is connected with the positioning screw hole in a threaded manner; the end part, far away from the first height limiting block, of the second height limiting block is also provided with a positioning screw hole, and a height fixing screw rod is connected with the screw hole.

Through the scheme, the height of the height limiting block is adjusted through the positioning screw hole of the height limiting block by the height limiting screw rod, and a workpiece is limited.

Optionally, the device further comprises a first limiting block and a second limiting block, wherein the first limiting block and the second limiting block are fixed on the base in a direction intersecting.

Through the scheme, the bolt rod is connected with the threaded hole in the bottom of the workbench through the limiting hole of the limiting block, and the limiting block is fixed on the base.

Optionally, first stopper is equipped with the through-hole along its width direction level, wear to establish the guide bar in the through-hole, the one end rigid coupling of guide bar has the barrier plate, first stopper upper portion is equipped with the constant head tank, the constant head tank with the through-hole intercommunication, the constant head tank be equipped with the internal thread, with the constant head tank cooperation is equipped with positioning bolt.

Through above-mentioned scheme, through positioning bolt control guide bar, rethread guide bar control barrier plate, more effectual spacing work piece.

Optionally, a spring is arranged on the guide rod in a penetrating mode, and the spring is connected between the blocking plate and the first limiting block.

Through the scheme, the spring is arranged on the lever in a penetrating mode, the distance between the limiting block and the blocking piece can be easily adjusted, and the spring is prevented from damaging the side wall of the limiting block and the side wall of the blocking piece.

Optionally, the first limiting block is further provided with an auxiliary guide rod in a penetrating manner, and one end of the auxiliary guide rod is fixedly connected with the blocking plate.

Through the scheme. An auxiliary guide rod is connected between the limiting block and the blocking plate, so that the blocking plate is prevented from being damaged, and the limiting cannot be achieved.

Optionally, the other end of the guide rod is provided with a bolt cap, and the diameter of the bolt cap is larger than that of the through hole.

Through above-mentioned scheme, through positioning bolt control guide bar, the guide bar takes place to remove, and guide bar one end is equipped with the cap of a bolt that is bigger than the guide bar diameter, prevents to block that piece and stopper from taking place to separate.

Optionally, the first limiting block is fixedly connected with the base through a fixedly connected bolt.

Through the scheme, the bolt fixes the limiting block on the base through the holes at the two ends of the top wall of the limiting block, so that the limiting is achieved more effectively.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the limiting block on the base is provided with two limiting blocks, a height limiting block and a limiting block to limit the height of the workpiece, and the positioning of the bearing block is completed.

2. The stopper is fixed on the base, and the bearing piece is aimed at the base and is placed, and the bearing piece is placed and is made screw machine below, the bolt on the rotatory stopper roof, the bolt bottom with wear to establish the lever separation of spring, adjust the distance between piece and the stopper that blocks, the bolt of rotatory restriction piece top and lever connection blocks the piece lateral wall and is connected with the bearing piece lateral wall, the bolt on the rotatory stopper roof, the bolt on the stopper roof with wear to establish the lever connection of spring, the spacing completion of bearing piece.

Drawings

Fig. 1 is a perspective view of a positioning tool.

Fig. 2 is a top view of the spacing device.

Fig. 3 is a side view of the height limiting device.

Figure 4 is a cross-sectional view of the spacing device.

Description of reference numerals: 1. a base; 2. a first height limiting block; 3. a first stopper; 4. a workpiece; 5. a second limiting block; 6. a second limit for height block; 7. fastening a screw rod; 8. an auxiliary guide bar; 9. a bolt cap; 10. positioning the screw hole; 11. a blocking plate; 12. a guide rod; 13. a spring; 14. and (5) fixedly connecting bolts.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a positioning tool.

Referring to fig. 1, a positioning tool is used for fixing a square workpiece 4 and comprises a base 1, a first limiting block 3, a second limiting block 5, a first height limiting block 2 and a second height limiting block 6.

Referring to fig. 1 and 2, a positioning screw hole 10 is formed in the base 1, a fastening screw 7 is arranged in cooperation with the positioning screw hole 10, a through hole is formed in the first height limiting block 2 in the height direction of the first height limiting block, and the fastening screw 7 penetrates through the through hole of the first height limiting block 2 to be in threaded connection with the positioning screw hole 10 of the base 1. The first height limiting block 2 and the second height limiting block 6 are oppositely arranged on the base 1, a positioning screw hole 10 is formed in the end part, far away from the second height limiting block 6, of the first height limiting block 2, and a height fixing screw rod is connected with the positioning screw hole 10 in a threaded mode; the end part of the second height limiting block 6 far away from the first height limiting block 2 is also provided with a positioning screw hole 10 which is connected with a height fixing screw rod.

Referring to fig. 1 and 3, a first limiting block 3 is fixedly arranged on the base 1 through a fixedly connected bolt 14, and a second limiting block 5 is arranged on the base 1 and forms 90 degrees with the first limiting block 3. First stopper 3 is equipped with three through-hole along its width direction level, wears to establish auxiliary guide rod 8 in the through-hole on both sides, wears to establish guide bar 12 in the through-hole in the middle of, and wherein, spring 13 is worn to establish again by guide bar 12, and the one end in the middle part of directional base 1 of guide bar 12 and two auxiliary guide rods 8 sets firmly barrier plate 11 jointly. The other end of the guide rod 12 is a bolt cap 9, the diameter of the bolt cap 9 is larger than that of the through hole, and therefore the guide rod 12 is prevented from being separated from the first limiting block 3 in the moving process.

Referring to fig. 4, the upper portion of the first stopper 3 that the through-hole at guide bar 12 place corresponds is equipped with the constant head tank, and constant head tank and through-hole intercommunication, constant head tank are equipped with the internal thread, are equipped with positioning bolt with the constant head tank cooperation, and rotatory positioning bolt makes its direction motion to first stopper 3, and positioning bolt's tip passes guide bar 12 butt in constant head tank and the through-hole. The second limiting block 5 has the same structure as the first limiting block 3.

Referring to fig. 1 and 4, in operation, the base 1 is circular, and the upper part of the center of the circle corresponds to the position of the milling cutter. Before positioning, the positions of the stop plates 11 are determined according to the size of the workpiece 4 and the position of the position to be processed, the stop plates 11 are adjusted to the determined positions, positioning bolts are screwed, and the positions of the two stop plates 11 are fixed.

The square workpiece 4 is placed between a fastening screw 7 of a first height limiting block 2 and a fastening screw 7 of a second height limiting block 6, the first height limiting block 2 and the second height limiting block 6 are placed on the upper portion of the workpiece 4, one end, away from the height fixing screw, of the first height limiting block 2 and one end, away from the height fixing screw, of the second height limiting block 6 press the workpiece 4 respectively, the positions of the first height limiting block 2 and the second height limiting block 6 are adjusted through the fastening screw 7 to move up and down, and the purpose of clamping the workpiece 4 is achieved.

The working principle of the positioning tool of the embodiment is as follows: the horizontal direction position of the square workpiece 4 is positioned by positioning the positions of the stop plates 11 on the two adjacent sides of the square workpiece 4. The position of the workpiece 4 in the vertical direction is defined by the first height restricting block 2 and the second height restricting block 6 to prevent play. Under the normality, limit for height piece, stopper are fixed on base 1, and the bolt on the rotatory stopper roof, bolt and the lever separation of wearing to establish spring 13, and the adjustable lever length that blocks between piece lateral wall and the stopper lateral wall, the bolt of rotatory limit for height piece upper wall adjusts limit for height piece height, prevents that work piece 4 is big or small differently, unable location work piece 4, causes the processing screw thread precision to descend.

The preferred embodiments of the present application are not intended to limit the scope of the present application, and therefore: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a location frock which characterized in that: including base (1) first limit for height piece (2) and second limit for height piece (6), first limit for height piece (2) and second limit for height piece (6) are all fixed on base (1), first limit for height piece (2) and second limit for height piece (6) all are equipped with the through-hole along its direction of height, pass the through-hole is equipped with fastening screw (7), fastening screw (7) and base (1) threaded connection.

2. The positioning tool according to claim 1, characterized in that: the end part of the first height limiting block (2) far away from the second height limiting block (6) is provided with a positioning screw hole (10), and a height fixing screw rod is connected with the positioning screw hole (10) in a threaded manner; the end part, far away from the first height limiting block (2), of the second height limiting block (6) is also provided with a positioning screw hole (10), and a height fixing screw rod is connected with the screw hole.

3. The positioning tool according to claim 1 or 2, characterized in that: the base is characterized by further comprising a first limiting block (3) and a second limiting block (5), wherein the first limiting block (3) and the second limiting block (5) are fixed on the base (1) in a crossed mode.

4. The positioning tool according to claim 3, characterized in that: first stopper (3) are equipped with the through-hole along its width direction level, wear to establish guide bar (12) in the through-hole, the one end rigid coupling of guide bar (12) has barrier plate (11), first stopper (3) upper portion is equipped with the constant head tank, the constant head tank with the through-hole intercommunication, the constant head tank is equipped with the internal thread, with the constant head tank cooperation is equipped with positioning bolt.

5. The positioning tool according to claim 4, characterized in that: the guide rod (12) is provided with a spring (13) in a penetrating mode, and the spring (13) is connected between the blocking plate (11) and the first limiting block (3).

6. The positioning tool according to claim 5, characterized in that: the first limiting block (3) is further provided with an auxiliary guide rod (8) in a penetrating mode, and one end of the auxiliary guide rod (8) is fixedly connected with the blocking plate (11).

7. The positioning tool according to claim 6, characterized in that: the other end of the guide rod (12) is provided with a bolt cap (9), and the diameter of the bolt cap (9) is larger than that of the through hole.

8. The positioning tool according to claim 3, characterized in that: the first limiting block (3) is fixedly connected with the base (1) through a fixedly connected bolt (14).