CN217475401U

CN217475401U - Gear hole finish turning clamping tool

Info

Publication number: CN217475401U
Application number: CN202220945614.7U
Authority: CN
Inventors: 邱宁; 李拙
Original assignee: Qijiang Jingtuida Heavy Gear Co ltd
Current assignee: Qijiang Jingtuida Heavy Gear Co ltd
Priority date: 2022-04-22
Filing date: 2022-04-22
Publication date: 2022-09-23
Anticipated expiration: 2032-04-22

Abstract

A gear inner hole finish turning clamping tool comprises a positioning plate, wherein the upper surface of the positioning plate is provided with a mounting groove, the inner wall of the mounting groove is integrally formed with a clamping block, the edge of the top part of the positioning plate is symmetrically provided with vertical plates, pins are inserted into one side surface of each vertical plate, a movable plate is rotatably connected between the vertical plates, a threaded rod is inserted into the end part of the movable plate and is in threaded connection with the movable plate, a pressing plate is welded at the bottom end of the threaded rod, a spring is sleeved at the outer wall part of the threaded rod, a hand wheel is installed at the top end of the threaded rod, pin holes are formed in the outer walls of the two sides of the movable plate, and the inner diameters of the pin holes are matched with the outer diameter of a pin inserting end, simple structure, convenient operation can improve the tight work efficiency of counter gear clamp.

Description

Gear hole finish turning clamping tool

Technical Field

The utility model relates to a frock clamp technical field especially relates to a gear hole finish turning presss from both sides tight frock.

Background

Frock clamp is used for the device of clamping work piece (or guide cutter), the hole of automobile engine crankshaft gear need carry out the finish turning operation at present, and traditional chuck jack catch only has three or four jack catches, the jack catch is less with the contact surface of waiting to process the gear, when pressing from both sides tight gear, some gear that the wall thickness is thinner are easily pressed from both sides the deformation, carry out hole machining under the gear deformation condition, hole machining's circularity just can not be guaranteed, and then the qualification rate of the processing that adds the gear, the production cost is improved, a gear hole finish turning presss from both sides tight frock of current patent, the technique that patent number CN202122344176.7 disclosed can be solved above-mentioned problem.

In the prior art, a plurality of clamping blocks need to be adjusted to clamp and fix the gear, so that the gear clamping device is complex in operation, low in working efficiency and provided with an improved space.

In order to solve the problem, the application provides a gear inner hole finish turning clamping tool.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem that exists among the background art, the utility model provides a tight frock of gear hole finish turning clamp constitutes embedded structure through fixture block and gear teeth groove to can carry out quick location to the gear, provide two pressure points and fix to the gear, guarantee the tight effect of clamp to the gear simultaneously, simple structure, convenient operation can improve the tight work efficiency of clamp to the gear.

(II) technical scheme

In order to solve the problem, the utility model provides a tight frock of gear hole finish turning clamp, the locating plate comprises a positioning plate, the mounting groove is seted up to the locating plate upper surface, mounting groove inner wall integrated into one piece has the fixture block, the riser is installed to locating plate top edge symmetry, it has the pin to peg graft on riser side surface, it is connected with the fly leaf to rotate between the riser, the threaded rod is pegged graft to the fly leaf tip, and threaded rod and the looks spiro union of fly leaf, the welding of threaded rod bottom has the clamp plate, threaded rod outer wall department has cup jointed the spring, the hand wheel is installed on the threaded rod top, the pinhole has all been seted up to fly leaf both sides outer wall, and the external diameter looks adaptation of pinhole internal diameter and pin grafting end.

Preferably, the clamping block rings are provided in plurality, and the outer walls of the clamping blocks are coated with wear-resistant coatings.

Preferably, the bottom of the mounting groove is provided with a through hole.

Preferably, the riser symmetry is provided with two sets ofly, and every group the riser symmetry is provided with two, the welding of riser bottom has the mount pad, and the mount pad is connected with the locating plate through the screw.

Preferably, a bearing is installed on the surface of the other side of the vertical plate, a rotating shaft is welded on one side of the pin hole, and the rotating shaft is in interference connection with an inner ring of the bearing.

Preferably, the lower surface of the pressing plate is provided with anti-skid grains.

Preferably, the spring is located between the hand wheel and the movable plate, and the top end and the bottom end of the spring are respectively abutted against the hand wheel and the movable plate.

The above technical scheme of the utility model following profitable technological effect has:

1. constitute embedded structure through fixture block and gear teeth's slot, thereby can carry out quick location to the gear, rotate through fly leaf cooperation riser simultaneously, and utilize the pin to peg graft with the pinhole and link to each other, thereby fix a position the fly leaf, then make clamp plate and gear surface laminate mutually, and the hand wheel is at the rotation in-process, the spring compression deformation that will cup joint on the threaded rod, elastic acting force through the spring can effectually prevent that the threaded rod is not hard up, thereby guarantee the fixed effect of clamp plate to the gear, moreover, the steam generator is simple in structure, and convenient for operation, can improve the tight work efficiency of gear clamp.

2. The through hole corresponds to the inner hole of the gear, so that when the cutter head cuts the inner hole of the gear, the bottom end of the cutter head can be prevented from interfering with the positioning plate, and the cutter head is well protected.

Drawings

Fig. 1 is a schematic view of the three-dimensional structure of the present invention.

Fig. 2 is the structure schematic diagram of the positioning plate of the present invention.

Fig. 3 is a schematic view of the vertical plate structure of the present invention.

Fig. 4 is a schematic view of the movable plate of the present invention.

Reference numerals are as follows:

1. positioning a plate; 101. mounting grooves; 102. a clamping block; 103. a through hole;

2. a vertical plate; 201. a pin; 202. a bearing; 203. a mounting seat;

3. a movable plate; 301. a threaded rod; 302. pressing a plate; 303. a spring; 304. a hand wheel; 305. a pin hole; 306. a rotating shaft.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-4, the utility model provides a gear inner hole finish turning clamping tool, including locating plate 1, locating plate 1 upper surface sets up mounting groove 101, mounting groove 101 inner wall integrated into one piece has fixture block 102, locating plate 1 top edge symmetry installs riser 2, riser 2 side surface is pegged graft and is had pin 201, it is connected with movable plate 3 to rotate between riser 2, threaded rod 301 is pegged graft to movable plate 3 tip, and threaded rod 301 and movable plate 3 looks spiro union, threaded rod 301 bottom welding has clamp plate 302, threaded rod 301 outer wall department has cup jointed spring 303, the hand wheel 304 is installed at threaded rod 301 top, movable plate 3 both sides outer wall has all seted up pinhole 305, and the external diameter looks adaptation of pinhole 305 internal diameter and pin 201 grafting end;

the gear to be processed is placed into the inner side of the mounting groove 101, meanwhile, the clamping block 102 arranged on the inner side of the mounting groove 101 and the gear tooth groove form an embedded structure, so that the gear can be rapidly positioned, meanwhile, the movable plate 3 is matched with the vertical plate 2 to rotate, after the pin hole 305 formed in the side wall of the movable plate 3 corresponds to the pin 201 inserted in the vertical plate 2, the pin 201 is connected with the pin hole 305 in an inserting mode, so that the movable plate 3 is positioned, meanwhile, the threaded rod 301 is matched with the movable plate 3 to rotate through the manual hand wheel 304, the pressing plate 302 is attached to the surface of the gear, the hand wheel 304 is used for compressing and deforming the spring 303 sleeved on the threaded rod 301 in the rotating process, the threaded rod 301 can be effectively prevented from loosening through the elastic acting force of the spring 303, and the fixing effect of the pressing plate 302 on the gear is guaranteed.

In an optional embodiment, a plurality of the cartridges 102 are arranged in a ring, and the outer walls of the plurality of cartridges 102 are coated with wear-resistant coatings;

it should be noted that, the wear-resistant coatings coated on the plurality of cartridges 102 are tungsten carbide coatings, so that the wear-resistant effect of the cartridges 102 can be improved, and the service life of the work can be prolonged.

In an optional embodiment, the bottom of the mounting groove 101 is provided with a through hole 103;

it should be noted that, the through hole 103 corresponds to the inner hole of the gear, when the cutter head cuts the inner hole of the gear, the bottom end of the cutter head can be prevented from interfering with the positioning plate 1, and the cutter head is well protected.

In an optional embodiment, two groups of vertical plates 2 are symmetrically arranged, two vertical plates 2 are symmetrically arranged in each group, a mounting seat 203 is welded at the bottom end of each vertical plate 2, and the mounting seat 203 is connected with the positioning plate 1 through screws;

it should be noted that the vertical plate 2 is convenient to assemble.

In an optional embodiment, a bearing 202 is installed on the other side surface of the vertical plate 2, a rotating shaft 306 is welded on one side of the pin hole 305, and the rotating shaft 306 is in interference connection with an inner ring of the bearing 202;

it should be noted that, the resistance of the rotating shaft 306 during the rotation process can be effectively reduced, and the rotation precision of the rotating shaft 306 is ensured at the same time.

In an optional embodiment, the lower surface of the pressing plate 302 is provided with anti-skid grains;

it should be noted that, by arranging the anti-slip pattern on the bottom surface of the pressing plate 302, the friction between the pressing plate 302 and the contact surface of the gear can be effectively improved, so that not only is the fixing effect of the gear improved, but also the pressing plate 302 can be effectively prevented from loosening.

In an alternative embodiment, the spring 303 is located between the handwheel 304 and the movable plate 3, and the top end and the bottom end of the spring 303 are respectively abutted against the handwheel 304 and the movable plate 3;

it should be noted that the threaded rod 301 is effectively prevented from loosening by the elastic force of the spring 303.

In the utility model, the gear to be processed is placed in the mounting groove 101, the fixture block 102 arranged on the inner side of the mounting groove 101 and the gear tooth groove form an embedded structure, thereby the gear can be rapidly positioned, simultaneously the movable plate 3 is matched with the vertical plate 2 to rotate, when the pin hole 305 arranged on the side wall of the movable plate 3 is corresponding to the pin 201 inserted on the vertical plate 2, the pin 201 is inserted and connected with the pin hole 305, thereby the movable plate 3 is positioned, simultaneously the threaded rod 301 is matched with the movable plate 3 to rotate by manually holding the hand wheel 304, the pressure plate 302 is jointed with the gear surface, and the hand wheel 304 compresses and deforms the spring 303 sleeved on the threaded rod 301 in the rotating process, the threaded rod 301 can be effectively prevented from loosening by the elastic acting force of the spring 303, thereby the fixing effect of the pressure plate 302 on the gear is ensured, the structure is simple, the operation is convenient, the work efficiency of clamping the gear can be improved.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundary of the appended claims, or the equivalents of such scope and boundary.

Claims

1. A gear inner hole finish turning clamping tool is characterized by comprising a positioning plate (1), an installation groove (101) is formed in the upper surface of the positioning plate (1), a clamping block (102) is integrally formed on the inner wall of the installation groove (101), vertical plates (2) are symmetrically arranged at the top edge of the positioning plate (1), a pin (201) is inserted into the surface of one side of each vertical plate (2), a movable plate (3) is rotatably connected between the vertical plates (2), a threaded rod (301) is inserted at the end part of the movable plate (3), the threaded rod (301) is in threaded connection with the movable plate (3), the bottom end of the threaded rod (301) is welded with the pressing plate (302), a spring (303) is sleeved on the outer wall of the threaded rod (301), a hand wheel (304) is installed at the top end of the threaded rod (301), pin holes (305) are formed in the outer walls of the two sides of the movable plate (3), and the inner diameter of the pin hole (305) is matched with the outer diameter of the inserting end of the pin (201).

2. The gear inner hole finish turning clamping tool is characterized in that a plurality of clamping blocks (102) are arranged in a surrounding mode, and the outer walls of the clamping blocks (102) are coated with wear-resistant coatings.

3. The gear inner hole finish turning clamping tool according to claim 1, wherein a through hole (103) is formed in the bottom of the mounting groove (101).

4. The gear inner hole finish turning clamping tool according to claim 1, wherein two groups of vertical plates (2) are symmetrically arranged, two vertical plates (2) in each group are symmetrically arranged, a mounting seat (203) is welded at the bottom end of each vertical plate (2), and the mounting seat (203) is connected with a positioning plate (1) through screws.

5. The gear inner hole finish turning clamping tool according to claim 1, wherein a bearing (202) is installed on the other side surface of the vertical plate (2), a rotating shaft (306) is welded on one side of the pin hole (305), and the rotating shaft (306) is in interference connection with an inner ring of the bearing (202).

6. The gear inner hole finish turning clamping tool is characterized in that anti-skid grains are formed in the lower surface of the pressing plate (302).

7. The gear inner hole finish turning clamping tool according to claim 1, wherein the spring (303) is located between the hand wheel (304) and the movable plate (3), and the top end and the bottom end of the spring (303) are respectively abutted against the hand wheel (304) and the movable plate (3).