CN210704587U

CN210704587U - Pin puller for bench worker

Info

Publication number: CN210704587U
Application number: CN201921124473.7U
Authority: CN
Inventors: 杨仿育
Original assignee: Hangzhou Vocational and Technical College
Current assignee: Hangzhou Vocational and Technical College
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2020-06-09
Anticipated expiration: 2029-07-18

Abstract

The utility model discloses a pin puller for bench workers, which comprises an outer sleeve with a lower end opening and a cavity arranged inside, wherein the outer sleeve is provided with the lower end opening and an inner sleeve with the cavity arranged inside; four bolts which are uniformly distributed in the circumferential direction penetrate through the side wall of the inner sleeve, extend along the radial direction of the inner sleeve, are in threaded connection with the inner sleeve, and the inner end parts of the bolts extend into the inner sleeve and are rotatably connected with a pressure plate for compressing the fixing pins; the utility model discloses when pulling out the fixed pin on the mould, can effectively avoid and the fixed pin between the phenomenon that appears skidding, so, can bring the convenience for pulling out of fixed pin, and can avoid causing the damage to the fixed pin.

Description

Pin puller for bench worker

Technical Field

The utility model relates to a bench worker apparatus technical field, concretely relates to bench worker is with pulling pin ware.

Background

In the mould maintenance or maintenance process, need pull out the fixed pin in the mould from the mould, because the fixed pin generally is the tight fit with the mould, traditional way is to pull out the fixed pin from the mould through the vice, but when using the vice to pull out the fixed pin, the phenomenon of skidding appears easily between vice and the fixed pin, thereby can bring inconvenience for pulling out of fixed pin, furthermore, after vice skidded with the fixed pin, the vice causes the wearing and tearing to the fixed pin easily, thereby can cause scrapping of fixed pin.

Disclosure of Invention

The utility model provides a not enough to prior art, the utility model provides a bench worker is with pulling pin ware, when it pulls out the fixed pin on the mould, can effectively avoid and the fixed pin between the phenomenon that appears skidding, so, can bring the convenience for pulling out of fixed pin, and can avoid causing the damage to the fixed pin.

The utility model discloses a pin puller for fitters, including lower extreme opening and the inside outer sleeve that is provided with the cavity, be provided with lower extreme opening and the inside inner sleeve that is provided with the cavity in the outer sleeve, the middle part on outer sleeve top is worn to be equipped with the screw rod, screw rod and outer sleeve threaded connection, the upper end of screw rod is located outside the outer sleeve and integrated into one piece has the carousel, the edge of carousel up end is rotationally connected with the twist grip, the lower extreme of screw rod is rotationally connected with the top of inner sleeve; four bolts which are uniformly distributed in the circumferential direction are arranged on the side wall of the inner sleeve in a penetrating mode, the bolts extend along the radial direction of the inner sleeve, the bolts are in threaded connection with the inner sleeve, and the inner end portions of the bolts extend into the inner sleeve and are rotatably connected with a pressure plate used for compressing the fixing pins.

The utility model discloses a bench worker is with pulling pin ware, wherein, the lower extreme integrated into one piece of screw rod has the external diameter to be less than the polished rod portion of screw rod, and the lower extreme activity of polished rod portion is stretched into including the sleeve after running through the top of inner skleeve, and the cooperation joint has the jump ring on being located the periphery wall of the polished rod portion of inner skleeve, and the up end of jump ring offsets with the interior top surface of inner skleeve, and the lower extreme of screw rod offsets with the outer top surface of inner skleeve.

The utility model discloses a bench worker is with pulling out round pin ware, wherein, is provided with the recess on the outer terminal surface of pressure disk, inlays in the recess and is equipped with the bearing, outer lane and recess tight fit in the bearing, the interior tip of bolt insert in the inner circle in the bearing and with the inner circle tight fit in the bearing.

The utility model discloses a bench worker is with pulling pin ware, wherein, the laminating has the rubber pad on the interior terminal surface of pressure disk.

The utility model discloses a bench worker is with pulling pin ware, wherein, the laminating has the rubber circle on the lower terminal surface of outer sleeve.

The utility model discloses when pulling out the fixed pin on the mould, can effectively avoid and the fixed pin between the phenomenon that appears skidding, so, can bring the convenience for pulling out of fixed pin, and can avoid causing the damage to the fixed pin.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic sectional view of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

fig. 3 is an enlarged schematic structural view of B in fig. 1.

Detailed Description

In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model discloses a bench worker is with pulling out round pin ware, including lower extreme opening and the inside outer sleeve 1 that is provided with the cavity, be provided with lower extreme opening and the inside inner sleeve 2 that is provided with the cavity in the outer sleeve 1, the middle part on outer sleeve 1 top is worn to be equipped with screw rod 3, screw rod 3 and outer sleeve 1 threaded connection, the upper end of screw rod 3 is located outer sleeve 1 and integrated into one piece has carousel 31, the edge of carousel 31 up end is rotationally connected with twist grip 32, the lower extreme of screw rod 3 is rotationally connected with the top of inner sleeve 2; wear to be equipped with four bolts 4 that are circumference evenly distributed on the lateral wall of inner skleeve 2, bolt 4 extends along inner skleeve 2's radial direction, and bolt 4 and inner skleeve 2 threaded connection, the interior tip of bolt 4 stretch into in inner skleeve 2 and rotationally be connected with the pressure disk 5 that is used for compressing tightly the fixed pin.

A polished rod part 33 with the outer diameter smaller than that of the screw rod 3 is integrally formed at the lower end of the screw rod 3, the lower end of the polished rod part 33 movably penetrates through the top end of the inner sleeve 2 and then extends into the inner sleeve 2, a clamp spring 34 is clamped on the outer peripheral wall of the polished rod part 33 in the inner sleeve 2 in a matched mode, the upper end face of the clamp spring 34 abuts against the inner top face of the inner sleeve 2, and the lower end of the screw rod 3 abuts against the outer top face of the inner sleeve 2; after adopting this kind of structure, the screw rod can rotate with the inner skleeve reliably and link together, and can avoid the inner skleeve to appear the phenomenon along the axial direction drunkenness of polished rod portion.

A groove 51 is formed in the outer end face of the pressure plate 5, a bearing 6 is embedded in the groove 51, an outer ring in the bearing 6 is in tight fit with the groove 51, and the inner end portion of the bolt 4 is inserted into an inner ring in the bearing 6 and is in tight fit with the inner ring in the bearing 6; by adopting the structure, the pressure plate can be reliably and rotatably connected with the bolt.

A rubber pad 7 is attached to the inner end face of the pressure plate 5; through the setting of rubber pad, when the pressure disk compresses tightly the fixed pin, can increase the frictional force between pressure disk and the fixed pin, so, the pressure disk can compress tightly the fixed pin better.

A rubber ring 8 is attached to the lower end face of the outer sleeve 1; through the setting of rubber circle, using the utility model discloses the time, the rubber circle can support on the mould, so, can increase the frictional force between outer sleeve and the mould, can make the outer sleeve reach skid-proof function promptly.

Use the utility model discloses the time, at first the reverse rotation carousel makes the inner skleeve stretch out outside outer sleeve, after that with the outside of inner skleeve suit at the fixed pin, then rotate the bolt through the spanner, make every pressure disk all compress tightly on the outer wall of fixed pin, it makes the outer sleeve support tightly to the mould to rotate the carousel forward immediately, then continue the forward and rotate the carousel, make screw rod pulling inner skleeve, when screw rod pulling inner skleeve, the inner skleeve can be extracted the fixed pin from the mould gradually, thereby can reach the purpose of conveniently dismantling the fixed pin and not damaging the fixed pin.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a bench worker is with pulling pin ware which characterized in that: the device comprises an outer sleeve (1) with an opening at the lower end and a cavity arranged inside, wherein an inner sleeve (2) with an opening at the lower end and a cavity arranged inside is arranged in the outer sleeve (1), a screw (3) penetrates through the middle of the top end of the outer sleeve (1), the screw (3) is in threaded connection with the outer sleeve (1), the upper end of the screw (3) is positioned outside the outer sleeve (1) and is integrally formed with a turntable (31), the edge of the upper end surface of the turntable (31) is rotatably connected with a rotating handle (32), and the lower end of the screw (3) is rotatably connected with the top end of the inner sleeve (2); wear to be equipped with four bolts (4) that are circumference evenly distributed on the lateral wall of inner skleeve (2), the radial direction of inner skleeve (2) is followed in bolt (4) extends, bolt (4) and inner skleeve (2) threaded connection, the interior tip of bolt (4) stretches into in inner skleeve (2) and rotationally is connected with pressure disk (5) that are used for compressing tightly the fixed pin.

2. The pin puller for the bench workers as claimed in claim 1, wherein the lower end of the screw rod (3) is integrally formed with a polished rod part (33) with an outer diameter smaller than that of the screw rod (3), the lower end of the polished rod part (33) movably penetrates through the top end of the inner sleeve (2) and then extends into the inner sleeve (2), a clamp spring (34) is clamped on the outer peripheral wall of the polished rod part (33) in the inner sleeve (2) in a matched manner, the upper end face of the clamp spring (34) abuts against the inner top face of the inner sleeve (2), and the lower end of the screw rod (3) abuts against the outer top face of the inner sleeve (2).

3. The pin puller for bench workers as defined in claim 1, wherein the outer end surface of the pressure plate (5) is provided with a groove (51), the groove (51) is embedded with a bearing (6), an outer ring in the bearing (6) is tightly matched with the groove (51), and an inner end part of the bolt (4) is inserted into an inner ring in the bearing (6) and is tightly matched with the inner ring in the bearing (6).

4. The pin puller for bench workers as claimed in claim 1, wherein a rubber pad (7) is attached to the inner end surface of the pressure plate (5).

5. The bench vice pin puller according to claim 1, wherein a rubber ring (8) is attached to the lower end surface of the outer sleeve (1).