CN220973125U

CN220973125U - Suspension contact pin withdrawing pin structure

Info

Publication number: CN220973125U
Application number: CN202323041497.5U
Authority: CN
Inventors: 魏建伟; 郭金惠楠
Original assignee: Henan Youpu Sealing Technology Co ltd
Current assignee: Henan Youpu Sealing Technology Co ltd
Priority date: 2023-11-10
Filing date: 2023-11-10
Publication date: 2024-05-17
Anticipated expiration: 2033-11-10

Abstract

The floating contact pin withdrawing pin structure comprises a withdrawing pin structure body assembled on a die body, wherein the withdrawing pin structure body comprises a thimble fixing plate, a thimble is arranged below the thimble fixing plate, the thimble fixing plate can move up and down in the die body, a chute is formed in the top end of the thimble fixing plate, a baffle is fixed on the inner wall of the chute, a T-shaped guide block is arranged above the thimble fixing plate, a sliding block is arranged at the lower end of the T-shaped guide block, a trapezoidal stop block is arranged at the bottom end of the sliding block, the top end face of the trapezoidal stop block is an inclined plane, the sliding block is in sliding connection with the chute, and the bottom end of the baffle is in sliding connection with the top end of the trapezoidal stop block; the right side of T type guide block is equipped with the cylinder, and the cylinder can be dismantled and fix on the mould body, is equipped with the push-and-pull rod between cylinder and the T type guide block, and fixed connection can be dismantled with the T type guide block to the one end of push-and-pull rod, and the other end of push-and-pull rod is connected with the free end of cylinder. The utility model has simple structure and convenient use.

Description

Suspension contact pin withdrawing pin structure

Technical Field

The utility model belongs to the technical field of injection molds, and particularly relates to a suspension contact pin withdrawing pin structure.

Background

The injection mold is a tool for producing plastic products, is also a tool for endowing the plastic products with complete structures and accurate dimensions, is a processing method used for mass production of parts with complex shapes, and specifically refers to a method for injecting heated and melted plastic into a mold cavity by an injection molding machine under high pressure, and obtaining a formed product after cooling and solidifying. However, for plastic pin terminal products, the precision requirement of the current market for the products is higher and higher, but the product terminals in the prior art often cannot guarantee higher precision, and the following disadvantages exist due to the fact that a movable die single-side fixed terminal is adopted generally: 1. the terminal is easy to float upwards by plastic during injection molding, so that the position degree of the terminal is inaccurate; 2. when the die is closed, the terminal follower die moves and the die is at risk of being shifted. Therefore, in the prior art, the terminal is easy to float and move during working, so that the position of the terminal is inaccurate, and the quality of products is affected.

Disclosure of utility model

The utility model provides a pin withdrawing structure of a suspension contact pin, which comprises a pin withdrawing structure body assembled on a die body, wherein the pin withdrawing structure body comprises a thimble fixing plate, a plurality of vertically arranged thimbles are arranged below the thimble fixing plate, the thimbles play a role in fixing a plastic terminal, the upper ends of the thimbles can be detachably fixed on the thimble fixing plate, and the thimble fixing plate can move up and down in the die body. The top of thimble fixed plate has offered the spout, is fixed with the baffle that two symmetries set up on the inner wall of spout, and two baffles are located respectively on the both sides wall of spout and two baffles slope upwards set up, and the bottom surface and the top face slope of baffle upwards. The top of thimble fixed plate is equipped with T type guide block, and the lower extreme of T type guide block is equipped with the slider, and the bottom of slider is equipped with the trapezoidal dog that sets up with baffle one-to-one, and the terminal surface of trapezoidal dog is the inclined plane, and slider sliding connection in the spout, and the bottom of baffle and the top sliding connection of trapezoidal dog, and when trapezoidal dog moved about in the spout, promote thimble fixed plate and reciprocate, the thimble fixed plate drove the thimble and reciprocates. The right side of T type guide block is equipped with the cylinder, and the cylinder can be dismantled and fix on the mould body, is equipped with the push-and-pull rod between cylinder and the T type guide block, and fixed connection can be dismantled with T type guide block to the one end of push-and-pull rod, and the other end of push-and-pull rod is connected with the free end of cylinder, starts the cylinder, and the free end of cylinder passes through the push-and-pull rod and drives T type guide block and control the removal in the spout.

Preferably, the top of thimble fixed plate is equipped with two thimble clamp plates that play fixed thimble, and two thimble clamp plates symmetry sets up.

Preferably, the length of the sliding block is longer than that of the sliding groove, and when the sliding block is used, the sliding block is prevented from sliding out of the sliding groove.

Preferably, the top end of the T-shaped guide block is provided with two symmetrically arranged guide-acting pressing blocks.

Preferably, the left end and the right end of the T-shaped guide block are respectively provided with a plurality of stroke adjusting blocks, and the stroke adjusting blocks are in threaded connection with the T-shaped guide blocks.

Preferably, a push-pull rod pressing plate with a fixing function is arranged at the joint of the push-pull rod and the T-shaped guide block; two cylinder quick connectors are arranged on the cylinder.

The adoption of the scheme has the following advantages:

The T-shaped guide block and the thimble fixing plate are arranged, and the thimble fixing plate is pushed to move up and down by the horizontal movement of the T-shaped guide block, so that the thimble can move in the vertical direction, and the thimble is convenient to separate from the injection molding terminal; the trapezoid stop block and the baffle are arranged, and the trapezoid stop block pushes the baffle to move in the vertical direction through the sliding block moving in the sliding groove on the thimble fixing plate; the air cylinder is arranged to provide power for the T-shaped guide block; and the stroke adjusting block is arranged, and the length of the stroke adjusting block extending out of the T-shaped guide block is adjusted by rotating the stroke adjusting block, so that the limit of the T-shaped guide block is realized.

Drawings

FIG. 1 is a schematic view of an assembled structure of the present utility model;

FIG. 2 is a schematic perspective view of the first embodiment of the present utility model;

FIG. 3 is a schematic diagram of a second perspective structure of the present utility model;

FIG. 4 is a schematic perspective view of a third embodiment of the present utility model;

FIG. 5 is a schematic view of the structure of the T-shaped guide block and the thimble fixing plate.

Reference numerals: 1. a die body; 2. a pumping and retreating pin mechanism body; 3. a thimble fixing plate; 4. a T-shaped guide block; 5. a cylinder; 6. a plastic terminal; 31. a thimble; 32. a thimble pressing plate; 33. a chute; 34. a baffle; 41. a slide block; 42. a trapezoidal stop; 43. a stroke adjusting block; 44. briquetting; 51. a cylinder fixing plate; 52. a push-pull rod; 53. a cylinder quick connector; 54. push-pull rod clamp plate.

Detailed Description

As shown in fig. 1-5, a pin structure is moved back to suspension contact pin, including the pin structure body 2 that moves back of assembly on mould body 1, the pin structure body 2 that moves back includes thimble fixed plate 3, and the below of thimble fixed plate 3 is equipped with the thimble 31 of a plurality of vertical setting, and thimble 31 plays fixed action to plastic terminal 6, and the upper end of thimble 31 can be dismantled and fix on thimble fixed plate 3, and thimble fixed plate 3 can reciprocate in mould body 1. The top of thimble fixed plate 3 has seted up spout 33, is fixed with two baffles 34 that symmetry set up on the inner wall of spout 33, and two baffles 34 are located respectively on the both sides wall of spout 33 and two baffles 34 slope upwards set up, and the bottom surface and the top face slope of baffle 34 upwards. The top of thimble fixed plate 3 is equipped with T type guide block 4, and the lower extreme of T type guide block 4 is equipped with slider 41, and slider 41's bottom is equipped with the trapezoidal dog 42 that sets up with baffle 34 one-to-one, and the top terminal surface of trapezoidal dog 42 is the inclined plane, and slider 41 sliding connection in spout 33, and the bottom of baffle 34 and the top sliding connection of trapezoidal dog 4, and when trapezoidal dog 42 moved about in the spout, promote thimble fixed plate 3 and reciprocate, thimble fixed plate 3 drive thimble 31 reciprocates. The right side of T type guide block 4 is equipped with cylinder 5, and cylinder 5 can dismantle fixedly on mould body 1, is equipped with push-and-pull rod 52 between cylinder 5 and the T type guide block 4, and fixed connection can be dismantled with T type guide block 4 to push-and-pull rod 52's one end, and push-and-pull rod 52's the other end is connected with cylinder 5's free end, starts cylinder 5, and cylinder 5's free end passes through push-and-pull rod 52 and drives T type guide block 4 and control the removal in spout 33.

Preferably, the top of thimble fixing plate 3 is equipped with two thimble clamp plates 32 that play fixed thimble, and two thimble clamp plates 32 symmetry set up.

Preferably, the length of the slider 41 is greater than the length of the chute 33, preventing the slider 41 from sliding out of the chute 33 when in use.

Preferably, the top end of the T-shaped guide block 4 is provided with two symmetrically arranged guide-acting press blocks 44.

Preferably, the left end and the right end of the T-shaped guide block 4 are respectively provided with a plurality of stroke adjusting blocks 43, and the stroke adjusting blocks 43 are connected to the T-shaped guide block 4 in a threaded manner.

Preferably, a push-pull rod pressing plate 54 with a fixing function is arranged at the joint of the push-pull rod 52 and the T-shaped guide block 4; the cylinder 5 is provided with two cylinder quick connectors 53.

The using process comprises the following steps:

When the die is used, when the die body 1 is closed, the air cylinder 5 is started, the free end of the air cylinder 5 is retracted, the air cylinder 5 pulls the T-shaped guide block 4 to move rightwards through the push-pull rod 52, the sliding block 41 moves rightwards along the sliding groove 33, the thimble fixing plate 3 falls down at the moment, the thimble 31 falls down along the thimble fixing plate 3, the thimble 31 contacts and abuts against the plastic terminal 6, after the injection molding process is finished, when the die is opened, the air cylinder 5 is started again, the air cylinder 5 pushes the T-shaped guide block 4 through the push-pull rod 52, the sliding block 41 moves leftwards along the sliding groove 33, the trapezoidal stop block 42 pushes the baffle 34 to move upwards, the thimble fixing plate 3 and the thimble 31 move upwards, and the thimble 3 is separated from the contact of the plastic terminal 6, so that the pin withdrawing process is realized.

In the description of the present utility model, it should be understood that the terms "upper", "lower", "left", "right", "top", "bottom", "horizontal", "vertical", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The above embodiments are illustrative of the present utility model, and not limiting, and any simple modifications of the present utility model fall within the scope of the present utility model.

Claims

1. The utility model provides a pin structure is moved back to suspension contact pin, includes the action of taking out on the mould body and moves back pin structure body, takes out and moves back pin structure body and includes the thimble fixed plate, and the below of thimble fixed plate is equipped with the thimble of the vertical setting of a plurality of, and the upper end of thimble can be dismantled and fix on the thimble fixed plate, its characterized in that: the thimble fixing plate can move up and down in the die body, a chute is formed in the top end of the thimble fixing plate, two baffle plates which are symmetrically arranged are fixed on the inner wall of the chute, the two baffle plates are respectively positioned on two side walls of the chute, and the two baffle plates are obliquely upwards arranged; a T-shaped guide block is arranged above the thimble fixing plate, a sliding block is arranged at the lower end of the T-shaped guide block, trapezoidal check blocks which are arranged in one-to-one correspondence with the baffle plates are arranged at the bottom ends of the sliding blocks, the top end faces of the trapezoidal check blocks are inclined planes, the sliding blocks are in sliding connection in the sliding grooves, and the bottom ends of the baffle plates are in sliding connection with the top ends of the trapezoidal check blocks; the right side of T type guide block is equipped with the cylinder, and the cylinder can be dismantled and fix on the mould body, is equipped with the push-and-pull rod between cylinder and the T type guide block, and fixed connection can be dismantled with the T type guide block to the one end of push-and-pull rod, and the other end of push-and-pull rod is connected with the free end of cylinder.

2. The floating pin extraction and withdrawal structure according to claim 1, wherein: the top of thimble fixed plate is equipped with two thimble clamp plates that play fixed thimble, and two thimble clamp plates symmetry sets up.

3. The floating pin extraction and withdrawal structure according to claim 1, wherein: the length of the sliding block is longer than that of the sliding groove.

4. A floating pin extraction and withdrawal pin structure according to claim 3, characterized in that: the top of the T-shaped guide block is provided with two symmetrically arranged guide-action pressing blocks.

5. A floating pin extraction and withdrawal pin structure according to claim 3, characterized in that: the left end and the right end of the T-shaped guide block are respectively provided with a plurality of stroke adjusting blocks, and the stroke adjusting blocks are in threaded connection with the T-shaped guide blocks.

6. The floating pin extraction and withdrawal pin structure according to claim 5, wherein: the joint of the push-pull rod and the T-shaped guide block is provided with a push-pull rod pressing plate with a fixing function.

7. A floating pin extraction and withdrawal structure according to any one of claims 1 to 6, characterized in that: two cylinder quick connectors are arranged on the cylinder.