CN219276547U - Quick change device for central thimble rod of injection molding machine - Google Patents
Quick change device for central thimble rod of injection molding machine Download PDFInfo
- Publication number
- CN219276547U CN219276547U CN202223373320.0U CN202223373320U CN219276547U CN 219276547 U CN219276547 U CN 219276547U CN 202223373320 U CN202223373320 U CN 202223373320U CN 219276547 U CN219276547 U CN 219276547U
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- spring
- connector
- thimble rod
- center thimble
- injection molding
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
Abstract
The utility model relates to the technical field of injection molding machines and discloses a quick-change device for a central thimble rod of an injection molding machine. When the center thimble rod quick-change device needs to be replaced and maintained, the clamping ring is moved to one side of the connecting flange, the spring is compressed, the center thimble rod is inserted into the hole of the connector, the center thimble rod outwards moves the steel balls to be ejected out of the through hole, the center thimble rod can be easily inserted, after the center thimble rod is in place, the clamping ring is loosened, the spring is stretched, the clamping ring is reset to press the steel balls, the center thimble rod is clamped and locked, the replacement is quick and convenient, and the working efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of injection molding machines, in particular to a quick-change device for a central ejector pin rod of an injection molding machine.
Background
With the continuous progress of technology, plastic products bring many convenience to the life of people, and are widely applied. The plastic product is generally injection molded by an injection molding machine, and the injection molding machine needs a central ejector pin rod to eject the product after the product is finished. The conventional center thimble rod is directly connected to the thimble plate, so that when the center thimble rod is damaged in the using process, the center thimble rod is inconvenient to replace by a customer.
The center thimble quick change device appears in current market for when the center thimble pole damages in the use, in order to the customer change center thimble pole. The utility model of application number CN202122798835.4 discloses a thimble assembly, comprising: the sliding plate, the center thimble pole and the quick-release component. The center thimble rod is provided with a latch groove. The quick-release component is arranged on the sliding plate and is provided with a bolt cavity and a bolt plate inserted in the bolt cavity. The limiting part of the latch plate can clamp the latch groove, so that the center thimble rod is detachably connected with the sliding plate. When the center thimble rod needs to be replaced and maintained, the thimble driving component drives the sliding plate to move backwards to the rear limit position, and the center thimble rod is removed for replacement or maintenance by pulling out the latch plate. However, the long-term plugging operation can lead to deformation of the bolt plate, so that the bolt plate can be firmly blocked in the bolt pressing plate and cannot be pulled out, and the quick-change effect is lost.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides a quick-change device for a central ejector pin rod of an injection molding machine.
In order to solve the technical problems, the utility model is solved by the following technical scheme:
the utility model provides an injection molding machine center thimble pole quick change device, includes flange, center thimble pole and rand, flange end is equipped with the connector, and the rand is established on the connector to the snare cover, and the cover is equipped with the spring on the connector, and the rand is equipped with a plurality of through-holes on the connector, and the one end that center thimble pole inserted the connector is equipped with first recess, is equipped with the steel ball in through-hole and the first recess. The retainer ring is moved by compression and extension of the spring, and the steel balls are positioned at the through holes and the first grooves to limit the movement of the center thimble rod.
Preferably, the end part of the connector is provided with a second groove, an elastic retainer ring is sleeved in the second groove, and the elastic retainer ring is contacted with the clamping ring. The circlip limits the collar.
Preferably, the inner wall of the clamping ring is provided with a convex part, one side of the convex part is contacted with the spring, and the other side of the convex part is contacted with the elastic retainer ring. The convex part presses the steel ball to clamp and lock the center thimble rod.
Preferably, the thickness of the side of the protrusion contacting the spring is smaller than the thickness of the side of the protrusion contacting the circlip.
Preferably, a first concave part for accommodating the spring is formed between the side, in contact with the spring, of the convex part and the clamping ring, and a second concave part for accommodating the steel ball is formed between the side, in contact with the circlip, of the convex part and the clamping ring. The second concave portion restricts movement of the steel ball.
Preferably, the connecting flange is provided with a connecting part, the connecting part is connected with the connector, and the diameter of the connecting part is larger than that of the connector.
Preferably, one end of the spring is in contact with the connecting portion, and the other end of the spring is in contact with the convex portion.
The utility model has the remarkable technical effects due to the adoption of the technical scheme: in order to facilitate quick replacement of the center thimble rod, the connecting flange is sleeved with the clamping ring, the clamping ring is moved through compression and extension of the spring, and the connecting head of the connecting flange is provided with a plurality of through holes which are matched with the first groove on the center thimble rod to accommodate steel balls and are used for limiting movement of the center thimble rod; in the process of inserting the center thimble rod into the connector, the clamping ring is moved to one side of the connecting flange, the spring is compressed, the center thimble rod is inserted into a hole of the connector, the center thimble rod moves the steel balls outwards and ejects the steel balls from the through holes, and at the moment, the movement of the steel balls is limited on one side of the clamping ring, which is close to the elastic retainer ring; the center thimble rod can be easily inserted, after the center thimble rod is in place, the steel balls are positioned at the through holes and the first grooves to limit the movement of the center thimble rod, the clamping ring is loosened, the spring stretches, the clamping ring is reset, the convex part of the clamping ring presses the steel balls to clamp the center thimble rod, and the elastic retainer ring limits the clamping ring.
When the center thimble rod quick-change device needs to be replaced and maintained, the clamping ring is moved to one side of the connecting flange, the spring is compressed, the center thimble rod is inserted into the hole of the connector, the center thimble rod outwards moves the steel balls to be ejected out of the through hole, the center thimble rod can be easily inserted, after the center thimble rod is in place, the clamping ring is loosened, the spring is stretched, the clamping ring is reset to press the steel balls, the center thimble rod is clamped and locked, the replacement is quick and convenient, and the working efficiency is improved.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is an exploded view of the present utility model.
Fig. 3 is a cross-sectional view of the present utility model.
Fig. 4 is a schematic side view of the collar.
Fig. 5 is another side structural view of the collar.
The names of the parts indicated by the numerical reference numerals in the above drawings are as follows: the device comprises a 1-connecting flange, a 101-connecting head, 1011-through holes, 1012-second grooves, 102-connecting parts, 2-center thimble rods, 201-first grooves, 3-steel balls, 4-clamping rings, 401-convex parts, 402-first concave parts, 403-second concave parts, 5-elastic check rings and 6-springs.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings and examples.
Example 1
1-5, including flange 1, center thimble pole 2 and rand 4, flange 1 end is equipped with connector 101, and rand 4 cover is established on connector 101, and the cover is equipped with spring 6 on the connector 101, rand 4 and spring 6 contact, is equipped with a plurality of through-holes 1011 on the connector 101, and the one end that center thimble pole 2 inserted connector 101 is equipped with first recess 201, is equipped with steel ball 3 in through-hole 1011 and the first recess 201. The steel balls 3 are positioned at the through holes 1011 and the first grooves 201 through the compression extension movement collar 4 of the spring 6, so as to limit the movement of the center thimble rod 2.
The end of the connector 101 is provided with a second groove 1012, the second groove 1012 is sleeved with a circlip 5, and the circlip 5 is in contact with the collar 4. The circlip 5 limits the collar 4.
The inner wall of the clamping ring 4 is provided with a convex part 401, one side of the convex part 401 is contacted with the spring 6, and the other side of the convex part 401 is contacted with the circlip 5. The convex part 401 presses the steel ball 3 to clamp and lock the center thimble rod 2.
The thickness of the side of the protrusion 401 in contact with the spring 6 is smaller than the thickness of the side of the protrusion 401 in contact with the circlip 5.
A first recess 402 for accommodating the spring 6 is formed between the side of the protrusion 401 in contact with the spring 6 and the collar 4, and a second recess 403 for accommodating the steel ball 3 is formed between the side of the protrusion 401 in contact with the circlip 5 and the collar 4. The second recess 403 restricts the movement of the steel ball 3.
The connecting flange 1 is provided with a connecting part 102, the connecting part 102 is connected with the connecting head 101, and the diameter of the connecting part 102 is larger than that of the connecting head 101.
One end of the spring 6 contacts the connection portion 102, and the other end of the spring 6 contacts the convex portion 401.
Working principle: in order to facilitate quick replacement of the center thimble rod 2, a clamping ring 4 is sleeved on a connecting flange 1, the clamping ring 4 is moved through compression and extension of a spring 6, a plurality of through holes 1011 are formed in a connector 101 of the connecting flange 1, and the through holes 1011 are matched with a first groove 201 on the center thimble rod 2 to accommodate steel balls 3 so as to limit movement of the center thimble rod 2; in the process of inserting the center thimble rod 2 into the connector 101, the clamping ring 4 moves towards the side of the connecting flange 1, the spring 6 compresses, the center thimble rod 2 is inserted into a hole of the connector 101, the center thimble rod 2 moves the steel balls 3 outwards to be ejected out of the through hole 1011, and at the moment, the movement of the steel balls 3 is limited on one side of the clamping ring 4, which is close to the elastic retainer ring 5; the center thimble rod 2 can be easily inserted, after the center thimble rod 2 is in place, the steel balls 3 are positioned at the through holes 1011 and the first grooves 201 to limit the movement of the center thimble rod 2, the clamping ring 4 is loosened, the spring 6 stretches, the clamping ring 4 resets, the convex parts 401 of the clamping ring 4 press the steel balls 3 to clamp and lock the center thimble rod 2, and the elastic retainer ring 5 limits the clamping ring 4.
When the center thimble rod quick-change device needs to be replaced and maintained, the clamping ring is moved to one side of the connecting flange, the spring is compressed, the center thimble rod is inserted into the hole of the connector, the center thimble rod outwards moves the steel balls to be ejected out of the through hole, the center thimble rod can be easily inserted, after the center thimble rod is in place, the clamping ring is loosened, the spring is stretched, the clamping ring is reset to press the steel balls, the center thimble rod is clamped and locked, the replacement is quick and convenient, and the working efficiency is improved.
Example 2
1-2, including flange 1, center thimble pole 2 and rand 4, flange 1 end is equipped with connector 101, and rand 4 cover is established on connector 101, and the cover is equipped with spring 6 on the connector 101, rand 4 and spring 6 contact, is equipped with a plurality of through-holes 1011 on the connector 101, and the one end that center thimble pole 2 inserted connector 101 is equipped with first recess 201, is equipped with steel ball 3 in through-hole 1011 and the first recess 201. The steel balls 3 are positioned at the through holes 1011 and the first grooves 201 through the compression extension movement collar 4 of the spring 6, so as to limit the movement of the center thimble rod 2.
Example 3
1-3, including flange 1, center thimble pole 2 and rand 4, flange 1 end is equipped with connector 101, and rand 4 cover is established on connector 101, and the cover is equipped with spring 6 on the connector 101, rand 4 and spring 6 contact, is equipped with a plurality of through-holes 1011 on the connector 101, and the one end that center thimble pole 2 inserted connector 101 is equipped with first recess 201, is equipped with steel ball 3 in through-hole 1011 and the first recess 201. The steel balls 3 are positioned at the through holes 1011 and the first grooves 201 through the compression extension movement collar 4 of the spring 6, so as to limit the movement of the center thimble rod 2.
The end of the connector 101 is provided with a second groove 1012, the second groove 1012 is sleeved with a circlip 5, and the circlip 5 is in contact with the collar 4. The circlip 5 limits the collar 4.
The inner wall of the clamping ring 4 is provided with a convex part 401, one side of the convex part 401 is contacted with the spring 6, and the other side of the convex part 401 is contacted with the circlip 5. The convex part 401 presses the steel ball 3 to clamp and lock the center thimble rod 2.
The thickness of the side of the protrusion 401 in contact with the spring 6 is smaller than the thickness of the side of the protrusion 401 in contact with the circlip 5.
Claims (7)
1. The utility model provides an injection molding machine center thimble pole quick change device, includes flange (1), center thimble pole (2) and rand (4), its characterized in that: the connecting flange (1) end is equipped with connector (101), and the cover of rand (4) is established on connector (101), and the cover is equipped with spring (6) on connector (101), and rand (4) and spring (6) contact are equipped with a plurality of through-holes (1011) on connector (101), and the one end that center thimble pole (2) inserted connector (101) is equipped with first recess (201), is equipped with steel ball (3) in through-hole (1011) and first recess (201).
2. The quick change device for a central ejector rod of an injection molding machine according to claim 1, wherein: the end part of the connector (101) is provided with a second groove (1012), an elastic retainer ring (5) is sleeved in the second groove (1012), and the elastic retainer ring (5) is contacted with the clamping ring (4).
3. The quick change device for a central ejector rod of an injection molding machine according to claim 2, wherein: the inner wall of the clamping ring (4) is provided with a convex part (401), one side of the convex part (401) is contacted with the spring (6), and the other side of the convex part (401) is contacted with the circlip (5).
4. The injection molding machine center ejector rod quick-change device according to claim 3, wherein: the thickness of the side of the convex part (401) contacting the spring (6) is smaller than the thickness of the side of the convex part (401) contacting the circlip (5).
5. The quick change device for a central ejector rod of an injection molding machine according to claim 4, wherein: a first concave part (402) for accommodating the spring (6) is formed between the side, which is contacted with the spring (6), of the convex part (401) and the clamping ring (4), and a second concave part (403) for accommodating the steel ball (3) is formed between the side, which is contacted with the circlip (5), of the convex part (401) and the clamping ring (4).
6. The injection molding machine center ejector rod quick-change device according to claim 3, wherein: the connecting flange (1) is provided with a connecting part (102), the connecting part (102) is connected with the connector (101), and the diameter of the connecting part (102) is larger than that of the connector (101).
7. The quick change device for a central ejector rod of an injection molding machine according to claim 6, wherein: one end of the spring (6) is in contact with the connecting part (102), and the other end of the spring (6) is in contact with the convex part (401).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223373320.0U CN219276547U (en) | 2022-12-15 | 2022-12-15 | Quick change device for central thimble rod of injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223373320.0U CN219276547U (en) | 2022-12-15 | 2022-12-15 | Quick change device for central thimble rod of injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219276547U true CN219276547U (en) | 2023-06-30 |
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ID=86914094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223373320.0U Active CN219276547U (en) | 2022-12-15 | 2022-12-15 | Quick change device for central thimble rod of injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219276547U (en) |
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2022
- 2022-12-15 CN CN202223373320.0U patent/CN219276547U/en active Active
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