CN212191239U

CN212191239U - Driving connection structure of injection molding die

Info

Publication number: CN212191239U
Application number: CN202020686846.6U
Authority: CN
Inventors: 黄清文; 黄炜; 田阳春
Original assignee: Shenzhen Juxin Metal Powder Metallurgy Co ltd
Current assignee: Shenzhen Juxin Metal Powder Metallurgy Co ltd
Priority date: 2020-04-28
Filing date: 2020-04-28
Publication date: 2020-12-22
Anticipated expiration: 2030-04-28

Abstract

The utility model relates to a technical field of mould accessories relates to an injection moulding mould's drive connection structure, including the lower mould to and slide the side form slider of connection on the lower mould, can dismantle on the lower mould and be connected with the pneumatic cylinder, set up in the tailpiece of the piston rod portion on the pneumatic cylinder is provided with the spacing round platform that the diameter is greater than the piston rod diameter, set up the draw-in groove that is the T type and supplies the embedding of spacing round platform on the side form slider. The utility model discloses has following effect: the limiting round table can be embedded into the clamping groove, and can abut against the inner walls of the two sides of the clamping groove in the process of stretching the piston rod, so that the fixing effect is good, and the piston rod is very convenient to disassemble.

Description

Driving connection structure of injection molding die

Technical Field

The utility model belongs to the technical field of the technique of mould accessory and specifically relates to a drive connection structure of injection moulding mould is related to.

Background

At present, a side die structure is often used in a die forming process, as shown in fig. 1, a side die slide block 110 needs to drive a die core to slide, a driving part, generally a hydraulic cylinder 111, is mounted on a lower die 100, and the side die slide block 110 is fixedly connected with a piston rod of the hydraulic cylinder 111 through a plurality of bolts.

In the actual use process, sometimes, one set of die is not used for a long time after the production of a product is finished, the hydraulic cylinder needs to be disassembled and installed on a die assembly needing to be produced and processed, and after the hydraulic cylinder is used for a period of time, the hydraulic cylinder is damaged and needs to be replaced. The hydraulic cylinder needs to be frequently disassembled, but when the hydraulic cylinder is disassembled every time, the bolt needs to be unscrewed or screwed, and the hydraulic cylinder is troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an injection moulding mould's drive connection structure can make piston rod and side form slider separation comparatively conveniently.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides an injection moulding mould's drive connection structure, includes the lower mould to and slide the side form slider of connection on the lower mould, can dismantle on the lower mould and be connected with the pneumatic cylinder, set up in the tailpiece of the piston rod portion on the pneumatic cylinder is provided with the spacing round platform that the diameter is greater than the piston rod diameter, set up the draw-in groove that is the T type and supplies the embedding of spacing round platform on the side form slider.

Through adopting above-mentioned technical scheme, when the pneumatic cylinder is dismantled to needs for spacing round platform breaks away from behind the draw-in groove, just can make the piston rod break away from the side form slider, and when the installation, spacing round platform will be embedded into to the draw-in groove, at the tensile in-process of piston rod, spacing round platform will contradict on the inner wall of draw-in groove both sides, and fixed effect is better, and is very convenient when dismantling.

The present invention may be further configured in a preferred embodiment as: the piston rod end portion is detachably connected with a connecting column, the limiting round platform is integrally arranged at one end of the connecting column, an inserting column is arranged at one end, away from the limiting round platform, of the connecting column, and a containing groove for the inserting column to be embedded and detachably connected is formed in the piston rod end portion.

Through adopting above-mentioned technical scheme, when using the same pneumatic cylinder to install to different mould subassemblies, can take off the spliced pole, change into suitable type, go to match different sliders that sideslip, make the post of pegging graft insert to the storage tank in during the equipment to connect, make the different drive structure of pneumatic cylinder adaptation, the suitability is stronger.

The present invention may be further configured in a preferred embodiment as: the outer surface of the insertion column is provided with an external thread structure, and the inner wall of the accommodating groove is provided with an internal thread structure matched with the insertion column.

Through adopting above-mentioned technical scheme, when installing spacing round platform to the piston rod, twist the rotatory income of post of pegging graft to the storage tank in, make the post of pegging graft can dismantle to connect on the piston rod through threaded connection, it is comparatively convenient.

The present invention may be further configured in a preferred embodiment as: the outer surface of the end part of the piston rod is symmetrically provided with two first clamping surfaces which are parallel to each other, and the outer surface of the connecting column is symmetrically provided with two second clamping surfaces which are parallel to each other.

Owing to in the in-process of screwing up, need make the plug column dip completely to the storage tank in to make the piston rod keep unanimous with the whole length of spacing round platform, otherwise will lead to the stroke inconsistency of side form slider, and because the piston rod is the inconvenient twisting of round bar. Through adopting above-mentioned technical scheme, can make plug column and piston rod be connected through first clamping surface, second clamping surface by use of the instrument, the operating personnel of being convenient for keeps the stroke of side form slider unanimous.

The present invention may be further configured in a preferred embodiment as: the plug column is provided with a ring groove, the piston rod is provided with a countersunk threaded hole, and the countersunk threaded hole is internally threaded with a check bolt embedded into the ring groove.

Through adopting above-mentioned technical scheme, when check bolt twists to countersunk head screw hole in, can make check bolt imbed to the annular in, when the post of pegging graft had the possibility that leads to becoming flexible after rotating this moment, check bolt can support tightly on the annular inner wall, plays locking effect.

The present invention may be further configured in a preferred embodiment as: the side die slide both sides have the side slide, install the fixed block on the lower mould, the fixed block both sides all are equipped with the combination piece, the combination piece with have between the fixed block and supply the clearance of side slide embedding.

By adopting the technical scheme, when the side die sliding blocks slide, the side sliding blocks on two sides move below the combined block, so that the movement stability is improved.

The present invention may be further configured in a preferred embodiment as: the positioning groove is formed in the inner wall, parallel to the limiting circular truncated cone, of the clamping groove, the center of the positioning groove is located on the central axis of the piston rod, the limiting circular truncated cone is connected with a positioning ball in an embedded mode in a sliding mode, and an elastic piece used for driving the positioning ball to be embedded into the positioning groove is arranged on the limiting circular truncated cone.

Through adopting above-mentioned technical scheme, when spacing round platform was embedded into the draw-in groove, the location ball will be embedded into positioning groove under the effect of elastic component in to make the center of spacing round platform install the back again, can also keep with the coincidence of piston rod the central axis, can make whole keep the depth of parallelism, improve the precision of side form slider when the motion, also can reduce the possibility that the piston rod damaged.

The present invention may be further configured in a preferred embodiment as: the utility model discloses a positioning ball, including piston rod, spacing round platform, sliding groove, elastic component, sliding groove bottom and positioning ball, the central department that piston rod one side was kept away from to spacing round platform begins to have along length direction to supply the positioning ball to slide the groove of sliding of connecting, the elastic component is the spring, the spring establish with slide between groove bottom and the positioning ball, spacing round platform is last and is located sliding notch department threaded connection has the cover plate, set up on the cover plate and supply the outstanding round hole of positioning ball, the diameter of round hole is less than.

Through adopting above-mentioned technical scheme, when spacing round platform inlayed, the location ball will slide inwards, and the spring will compression deformation, and when the round hole moved to with positioning groove department, the spring will order about the location ball and will imbed to positioning groove in, be provided with the cover plate and be convenient for install spring and location ball.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the limiting round platform can be embedded into the clamping groove to replace bolt fixing in the prior art, so that the hydraulic cylinder is convenient to directly insert and directly take when being replaced and disassembled, and the piston rod can be conveniently separated from the side die slide block;

2. the connecting column and the piston rod are arranged separately, so that the hydraulic cylinder can be suitable for different side mold sliding blocks, and the applicability is improved;

3. after the inserting column is connected into the accommodating groove in a threaded mode, the anti-loosening bolt is screwed in, the anti-loosening bolt can be embedded into the annular groove, and when the inserting column tends to loosen, the anti-loosening bolt can abut against the inner wall of the annular groove to prevent loosening;

4. the cooperation relation of positioning groove and location ball can be so that when embedding spacing round platform to the draw-in groove, can guarantee the depth of parallelism of piston rod, improves the motion stability.

Drawings

FIG. 1 is a schematic diagram of a prior art configuration;

fig. 2 is a schematic structural diagram of the present invention;

FIG. 3 is a partial exploded view of the present invention;

FIG. 4 is a schematic view of the connection of the connecting post to the piston rod;

FIG. 5 is a schematic structural view of a side mold slide for showing a positioning groove;

fig. 6 is an exploded view of the limiting round table for showing the positioning ball.

Reference numerals: 100. a lower die; 110. a side mold slide block; 111. a hydraulic cylinder; 112. a limiting round table; 113. a card slot; 114. a fixed block; 115. a side slider; 116. combining the blocks; 120. connecting columns; 121. inserting the column; 122. a containing groove; 131. a first clamping surface; 132. a second clamping surface; 133. a ring groove; 134. countersunk threaded holes; 135. a lock bolt; 141. a positioning groove; 142. a positioning ball; 143. a spring; 144. a sliding groove; 145. a cover sheet; 146. a circular hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The utility model provides an injection moulding mould's drive connection structure, compare in a plurality of bolted connection, can make piston rod and side form slider 110 separate sooner, refer to fig. 2, this kind of drive connection structure includes lower mould 100, and slide the side form slider 110 of connection on lower mould 100, there is pneumatic cylinder 111 through the bolt fastening on the lower mould 100, the piston rod tip on the pneumatic cylinder 111 is provided with the spacing round platform 112 that the diameter is greater than the piston rod diameter, offer the draw-in groove 113 that is the T type and supply spacing round platform 112 embedding on the side form slider 110 simultaneously, through embedding or taking out spacing round platform 112, can realize quick replacement's purpose.

Referring to fig. 3, in order to achieve the effect of sliding the side mold sliding block 110, a fixed block 114 is installed on the lower mold 100, a hydraulic cylinder 111 is fixedly installed at one end of the fixed block 114, side sliding blocks 115 are provided at both sides of the side mold sliding block 110, combination blocks 116 are installed on the fixed block 114 and located at both sides of the side mold sliding block 110 through bolts, and a gap for embedding the side sliding blocks 115 is provided between the combination blocks 116 and the fixed block 114.

Referring to fig. 4, the end of the piston rod is detachably connected with a connecting column 120, the limiting circular truncated cone 112 is integrally arranged at one end of the connecting column 120, and an insertion column 121 is arranged at one end of the connecting column 120 far away from the limiting circular truncated cone 112, and in order to adapt, the end of the piston rod is provided with a containing groove 122 for the insertion column 121 to be embedded and detachably connected. In this embodiment, the detachable connection is implemented by providing an external thread structure on the outer surface of the insertion column 121, and providing an internal thread structure on the inner wall of the accommodating groove 122, which is adapted to the insertion column 121. Since both are cylindrical, two first clamping surfaces 131 parallel to each other are symmetrically disposed on the outer surface of the end of the piston rod, and two second clamping surfaces 132 parallel to each other are symmetrically disposed on the outer surface of the connecting column 120, so that the first clamping surfaces 131 and the second clamping surfaces 132 can be clamped and rotated by a clamp, such as a wrench.

In the actual use process, in the process of the back-and-forth movement of the piston rod, the plugging column 121 is likely to loosen, so that the plugging column 121 is provided with the ring groove 133, the piston rod is provided with the countersunk threaded hole 134, the countersunk threaded hole 134 is internally threaded with the check bolt 135, and when the check bolt 135 is screwed in, the check bolt is embedded into the ring groove 133, so that the check function is achieved.

Referring to fig. 5 and 6, in the dismounting process, in order to reduce the occurrence of the condition that the piston rod is not parallel after being mounted, a positioning groove 141 is formed in the inner wall, parallel to the limiting circular table 112, of the clamping groove 113, the center of the positioning groove 141 is located on the central axis of the piston rod, in order to perform positioning, a positioning ball 142 embedded into the positioning groove 141 is connected to the limiting circular table 112 in a sliding manner, and an elastic piece used for driving the positioning ball 142 to be embedded into the positioning groove 141 is arranged on the limiting circular table 112. In order to install the positioning ball 142, a sliding groove 144 for the positioning ball 142 to slide and connect is formed in the center of one side, away from the piston rod, of the limiting circular truncated cone 112 along the length direction, the elastic element in the embodiment is a spring 143, the spring 143 is arranged between the bottom of the sliding groove 144 and the positioning ball 142, a cover plate 145 is in threaded connection with the opening of the sliding groove 144 on the limiting circular truncated cone 112, the sliding groove 144 can be sealed by the cover plate 145, in order to enable the positioning ball 142 to protrude, a round hole 146 for the protrusion of the positioning ball 142 is formed in the cover plate 145, and meanwhile, the diameter of the round hole 146 is smaller than that of the positioning ball 142, so that the positioning.

The implementation principle of the embodiment is as follows: when hydraulic cylinder 111 needs to be replaced, hydraulic cylinder 111 is disassembled, limiting round table 112 can be taken out from clamping groove 113, and accordingly separation can be achieved, and the hydraulic cylinder is very convenient to use. When the hydraulic cylinder 111 needs to be replaced with another die set, the limiting circular truncated cone 112 is embedded into another clamping groove 113 for borrowing, and when the limiting circular truncated cone is embedded, the positioning ball 142 is also embedded into the positioning groove 141 in the center of the clamping groove 113, so that the piston rod can be kept horizontal after being installed again, and the working stability is improved.

And after the installation position is changed, when the limiting round table 112 is not matched with the new clamping groove 113, the limiting round table 112 is taken down, the matched limiting round table 112 is changed, and then the limiting round table 112 is embedded into the clamping groove 113, so that the applicability of the hydraulic cylinder 111 can be improved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an injection moulding mould's drive connection structure, includes lower mould (100) to and side form slider (110) of connection on lower mould (100) slides, its characterized in that: the lower die (100) is detachably connected with a hydraulic cylinder (111), a piston rod end portion on the hydraulic cylinder (111) is provided with a limiting round table (112) with the diameter larger than that of the piston rod, and a clamping groove (113) which is T-shaped and is used for embedding the limiting round table (112) is formed in the side die sliding block (110).

2. The drive connection structure of an injection molding die as claimed in claim 1, wherein: the piston rod end part is detachably connected with a connecting column (120), the limiting round table (112) is integrally arranged at one end of the connecting column (120), one end, far away from the limiting round table (112), of the connecting column (120) is provided with an inserting column (121), and the end part of the piston rod is provided with a containing groove (122) for the inserting column (121) to be embedded and detachably connected.

3. The drive connection structure of an injection molding die as claimed in claim 2, wherein: an external thread structure is arranged on the outer surface of the insertion column (121), and an internal thread structure matched with the insertion column (121) is arranged on the inner wall of the accommodating groove (122).

4. A drive coupling structure of an injection molding die according to claim 3, characterized in that: the outer surface of the end part of the piston rod is symmetrically provided with two first clamping surfaces (131) which are parallel to each other, and the outer surface of the connecting column (120) is symmetrically provided with two second clamping surfaces (132) which are parallel to each other.

5. The drive connection structure of an injection molding die as claimed in claim 4, wherein: the plug column (121) is provided with a ring groove (133), the piston rod is provided with a countersunk head threaded hole (134), and the countersunk head threaded hole (134) is internally connected with a check bolt (135) embedded into the ring groove (133).

6. The drive connection structure of an injection molding die as claimed in claim 1, wherein: side form slider (110) both sides have side slider (115), install fixed block (114) on lower mould (100), fixed block (114) both sides all are equipped with combination piece (116), combination piece (116) with have the confession between fixed block (114) the clearance of side slider (115) embedding.

7. The drive connection structure of an injection molding die as claimed in claim 1, wherein: the utility model discloses a piston rod of spacing round platform (112) is characterized in that draw-in groove (113) go up with set up positioning groove (141) on the parallel inner wall of spacing round platform (112), the center of positioning groove (141) is located on the central axis of piston rod, it has embedding to slide on spacing round platform (112) location ball (142) in positioning groove (141), be equipped with on spacing round platform (112) and be used for ordering about location ball (142) imbed the elastic component in positioning groove (141).

8. The drive connection structure of an injection molding die as claimed in claim 7, wherein: the utility model discloses a piston rod, including piston rod, spacing round platform (112), spring (143), groove (144) that slides that supply location ball (142) to slide and connect is started to locate along length direction at the center of keeping away from piston rod one side in spacing round platform (112), the elastic component is spring (143), spring (143) establish with slide between groove (144) tank bottom and location ball (142), spacing round platform (112) are gone up and are located slide groove (144) mouth department threaded connection has cover plate (145), set up on cover plate (145) and supply outstanding round hole (146) of location ball (142), the diameter of round hole (146) is less than location ball (142) diameter.