CN217224266U

CN217224266U - Work fixture

Info

Publication number: CN217224266U
Application number: CN202220047484.5U
Authority: CN
Inventors: 朱海瑞
Original assignee: Shanghai Yongtai Auto Parts Co ltd
Current assignee: Shanghai Yongtai Auto Parts Co ltd
Priority date: 2022-01-10
Filing date: 2022-01-10
Publication date: 2022-08-19
Anticipated expiration: 2032-01-10

Abstract

The utility model provides a frock clamp for the setting is fixed the screw on supporting device, has such characteristic, include: the clamp main body is cylindrical, the diameter of the clamp main body is matched with the inner diameter of the nut, the clamp main body is used for extending into a screw hole of the nut, and one end of the clamp main body is provided with a through hole along the radial direction; the abutting part comprises a spring and bulges connected with the two ends of the spring and is used for applying pressure to the inner side of the nut so as to abut against the nut; and the connecting part is arranged at the other end of the clamp main body and is detachably connected to the matching device, wherein the spring is arranged in the through hole, and the bulge protrudes out of the surface of the clamp main body.

Description

Work fixture

Technical Field

The utility model relates to an auto-parts processing technology field, concretely relates to frock clamp.

Background

The clamp is a process device used for quickly fastening a workpiece during machining so as to keep a machine tool, a cutter, the workpiece and the like in a correct relative position, is also called as a clamp and is an indispensable part for machining. In a broad sense, any process in a process, the means for quickly, conveniently and safely mounting a workpiece may be referred to as a fixture. The use of the clamp is beneficial to ensuring the processing precision of the workpiece and stabilizing the product quality; is beneficial to improving the labor productivity and reducing the cost; is beneficial to improving the labor condition of workers and ensuring the safe production.

The existing clamp for fixing the nut is generally in a clamping jaw type, is clamped from the outer side of the nut and is independently arranged with processing devices such as a welding device respectively, the structure is complex, the occupied space is large, the processing efficiency is low, and the clamp is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model relates to a solve the nut fixed problem and go on, aim at provides a frock clamp.

The utility model provides a frock clamp has such characteristic, include: the clamp main body is cylindrical, the diameter of the clamp main body is matched with the inner diameter of the nut, the clamp main body is used for extending into a screw hole of the nut, and one end of the clamp main body is provided with a through hole along the radial direction; the butting part comprises a spring and bulges connected with two ends of the spring and is used for applying pressure to the inner side of the nut so as to butt against the nut; and the connecting part is arranged at the other end of the clamp main body and is detachably connected to the matching device, wherein the spring is arranged in the through hole, and the bulge protrudes out of the surface of the clamp main body.

The utility model provides an among the frock clamp, can also have such characteristic: wherein, supporting device is welding set, and this welding set includes a welding section of thick bamboo and the moving member of telescopically setting in a welding section of thick bamboo, and a welding section of thick bamboo inboard still is equipped with spacing arch, and frock clamp detachably sets up on the moving member, and the anchor clamps main part still has the spacing groove, and the spacing groove is rectangle, is located the middle part of anchor clamps main part, cooperatees with spacing arch for the flexible length of restriction frock clamp.

The utility model provides an among the frock clamp, can also have such characteristic: wherein, the edge of one end of the clamp main body close to the clamping part is provided with a rounded corner.

The utility model provides an among the frock clamp, can also have such characteristic: wherein an opening of the through hole on the surface of the jig main body has a rounded corner which is narrowed inward, and a diameter of the opening is smaller than an inner diameter of the through hole.

The utility model provides an among the frock clamp, can also have such characteristic: the clamp comprises a clamp body, a clamp body and a bulge, wherein the clamp body is provided with a clamp body, the clamp body is provided with a clamp hole, the clamp hole is formed in the clamp body, the bulge comprises a cylinder and a hemisphere arranged at one end of the cylinder, the cylinder is used for being connected with a spring, the hemisphere protrudes out of the surface of the clamp body, the bulge is arranged to be two, and the two bulges are respectively connected with two ends of the spring.

The utility model provides an among the frock clamp, can also have such characteristic: wherein the free length of the spring is greater than the diameter of the clamp body, and the ultimate compressed length of the spring is less than the diameter of the clamp body.

The utility model provides an among the frock clamp, can also have such characteristic: wherein, the connecting part and the matching device adopt screw connection.

Action and effect of the utility model

The utility model relates to a frock clamp, including the anchor clamps main part, support portion and connecting portion, these structures have following effect:

the clamp main body is cylindrical, the diameter of the clamp main body is matched with the inner diameter of the nut and used for extending into a screw hole of the nut, and one end of the clamp main body is provided with a through hole along the radial direction.

The abutting part comprises a spring and bulges connected with two ends of the spring, wherein the spring is arranged in the through hole, the bulges protrude out of the surface of the clamp body, the bulges are contacted with the inner wall of the screw hole of the nut, and the inner wall of the screw hole is pressed by applying radial spring force through the spring, so that the nut is stably abutted from the inside.

The connecting part is arranged at the other end of the clamp main body, can be detachably connected to a matching device and is easy to replace.

The matching device can be a welding device, and the tool clamp is arranged in a welding cylinder of the welding device, so that the occupied space is reduced. Frock clamp and welding set cooperate the work simultaneously, effectively improve machining efficiency.

Therefore, the utility model relates to a frock clamp overall structure is simple, and occupation space is little, and work efficiency is high, very convenient to use.

Drawings

Fig. 1 is a schematic view of a non-operating state of a work fixture according to an embodiment of the present invention;

fig. 2 is a schematic view of the supporting portion in the embodiment of the present invention.

Fig. 3 is an assembly diagram of the tool holder and the welding device in the embodiment of the present invention.

Detailed Description

In order to make the utility model discloses technical means, creation characteristic, achievement purpose and efficiency that realize are easily understood and are known, and following embodiment combines the drawing right the utility model discloses frock clamp does specifically expounds.

< example >

Fig. 1 is the schematic diagram of the non-working state of the tool holder in the embodiment of the present invention, fig. 2 is the schematic diagram of the supporting part in the embodiment of the present invention, and fig. 3 is the assembly schematic diagram of the tool holder and the welding device in the embodiment of the present invention.

As shown in fig. 1, the tool holder 100 includes a holder body 10, a holding portion 20, and a connecting portion 30.

The clamp body 10 is cylindrical, has a diameter matching the inner diameter of the nut, and is adapted to extend into the nut's threaded bore. The jig body 10 has a radial through-hole 11 at one end thereof and a rectangular stopper groove 12 at the middle thereof.

The opening of the through hole 11 on the surface of the jig main body 10 has a rounded shape which is reduced inward, and the diameter of the opening is smaller than the inner diameter of the through hole 11.

As shown in fig. 2, the abutting portion 20 includes a spring 21 and a protrusion 22 connected by both ends of the spring 21, the spring 21 is mounted in the through hole 11 and the protrusion 22 protrudes from the surface of the jig main body 10. The holding portion 20 is for applying pressure to the inside of the nut to hold the nut.

In this embodiment, the protrusion 22 includes a cylinder 221 and a hemisphere 222 disposed at one end of the cylinder 221, the cylinder 221 is used for connecting with the spring 21, and the hemisphere 222 protrudes from the surface of the clamp body 10. The protrusions 22 are provided in two, and the two protrusions 22 are connected by both ends of the spring 21, respectively.

The edge of the end of the clamp body 10 near the holding part 20 has a rounded shape.

The connecting portion 30 is disposed at the other end of the jig main body 10 and detachably connected to a mating device. In the present embodiment, the connection portion 30 is screwed with the mating device.

As shown in fig. 3, the configuration device in this embodiment is a welding device, the welding device includes a welding cylinder 1 and a moving member 2 telescopically disposed in the welding cylinder 1, a limiting protrusion 3 is further disposed inside the welding cylinder 1, and the tooling fixture 100 is detachably disposed on the moving member 2. The limiting groove 12 is matched with the limiting protrusion 3 and used for limiting the telescopic length of the tool clamp.

The following description of the specific process and method for using the tool clamp 100 of the present invention is provided with reference to the accompanying drawings 1-3:

step 1: confirming that the connecting part 30 of the tool clamp 100 is stably connected with the moving part 2 of the welding device, the tool clamp 100 and the welding cylinder 1 are in initial positions, and the limiting bulge 3 is abutted against the inner wall of one side of the limiting groove 12 close to the through hole 11;

step 2: the moving piece drives the tool clamp 100 to move, the clamp main body 10 extends forwards from the welding cylinder 1 and extends into a screw hole of the nut, the bulge 22 is in contact with the inner wall of the screw hole of the nut, the spring 21 applies pressure to the inner wall of the screw hole through the bulge 22 so as to stably support and hold the nut, and the clamp main body 10 extends to the limiting bulge 3 and is abutted against the inner wall of one side, close to the connecting part 30, of the limiting groove;

and step 3: the welding cylinder 1 and the moving piece 2 advance synchronously, after the nut is moved to a welding position, the moving piece 2 is not moved, the welding cylinder 1 continuously approaches the outer wall of the nut forwards, and the nut is welded on a matched workpiece;

and 4, step 4: the moving member 2 and the welding cylinder 1 are synchronously retreated and returned to the initial position.

Effects and effects of the embodiments

The frock clamp that this embodiment relates to, including the anchor clamps main part, support portion and connecting portion, these structures have following effect:

the clamp main body is cylindrical, the diameter of the clamp main body is matched with the inner diameter of the nut, and the clamp main body is used for extending into a screw hole of the nut and limiting the radial movement of the nut. One end of the clamp main body is provided with a radial through hole, so that the supporting part can be conveniently installed. The middle part of the clamp main body is provided with a rectangular limiting groove which is matched with a limiting bulge on the welding device, so that the telescopic length of the tool clamp is convenient to limit.

The abutting part comprises a spring and bulges connected by two ends of the spring, the spring is arranged in the through hole, and the bulges protrude out of the surface of the clamp body. The opening of the through hole on the surface of the clamp main body is provided with a fillet which is reduced inwards, and the diameter of the opening is smaller than the inner diameter of the through hole, so that the spring can be stably installed in the through hole and is not easy to fall out.

The bulge comprises a cylinder and a hemisphere arranged at one end of the cylinder, the cylinder is used for being connected with the spring, and the hemisphere protrudes out of the surface of the clamp body. When the nut passes through the through hole provided with the abutting part, the inner wall of the screw hole of the nut is contacted with the bulges, the two bulges are extruded by the inner wall of the screw hole, the spring in the middle is compressed, meanwhile, the spring also applies pressure to the inner wall of the screw hole through the bulges, the friction force between the bulges and the inner wall of the screw hole of the nut is effectively enhanced, and the nut is abutted from the inner side so as not to fall off.

The edge of one end of the clamp main body, which is close to the abutting part, is provided with a fillet, so that the clamp main body can conveniently stretch into a screw hole of the nut.

Connecting portion set up the other end at the anchor clamps main part, adopt the spiro union with welding set, can dismantle, easily change.

The tool clamp is arranged in a welding cylinder of the welding device, so that occupied space is reduced. The tool clamp and the welding device work in a matched mode at the same time, and machining efficiency is effectively improved.

The above embodiments are preferred examples of the present invention, and are not intended to limit the scope of the present invention.

Claims

1. The utility model provides a frock clamp for the setting is fixed the screw on supporting device, its characterized in that includes:

the clamp main body is cylindrical, the diameter of the clamp main body is matched with the inner diameter of the nut, the clamp main body is used for extending into a screw hole of the nut, and one end of the clamp main body is provided with a through hole along the radial direction;

the abutting part comprises a spring and bulges connected with two ends of the spring and is used for applying pressure to the inner side of the nut so as to abut against the nut; and

the connecting part is arranged at the other end of the clamp main body and is detachably connected to the matching device,

wherein the spring is mounted within the through hole and the protrusion protrudes from a surface of the clamp body.

2. The tooling fixture of claim 1, wherein:

wherein the configuration device is a welding device which comprises a welding cylinder and a moving part telescopically arranged in the welding cylinder, a limiting bulge is also arranged in the welding cylinder,

the tool clamp is detachably arranged on the moving piece,

the clamp main body is also provided with a limiting groove,

the limiting groove is rectangular, is located in the middle of the clamp body, is matched with the limiting protrusion, and is used for limiting the telescopic length of the tool clamp.

3. The tooling clamp of claim 1, wherein:

and one end edge of the clamp main body close to the abutting part is provided with a rounded corner.

4. The tooling clamp of claim 1, wherein:

wherein an opening of the through hole on the surface of the jig main body has a rounded corner that is reduced inward, and a diameter of the opening is smaller than an inner diameter of the through hole.

5. The tooling clamp of claim 1, wherein:

wherein, the bulge comprises a cylinder and a hemisphere arranged at one end of the cylinder,

the cylinder is used for being connected with the spring,

the hemisphere protrudes out of the surface of the clamp body,

the two bulges are respectively connected by two ends of the spring.

6. The tooling clamp of claim 1, wherein:

wherein the free length of the spring is greater than the diameter of the clamp body and the ultimate compressed length of the spring is less than the diameter of the clamp body.

7. The tooling clamp of claim 1, wherein:

wherein, the connecting part and the matching device adopt screw connection.