CN212764624U - Mold clamping force adjusting mechanism in injection molding machine - Google Patents

Mold clamping force adjusting mechanism in injection molding machine Download PDF

Info

Publication number
CN212764624U
CN212764624U CN202021326708.3U CN202021326708U CN212764624U CN 212764624 U CN212764624 U CN 212764624U CN 202021326708 U CN202021326708 U CN 202021326708U CN 212764624 U CN212764624 U CN 212764624U
Authority
CN
China
Prior art keywords
key
template
die
rods
die plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202021326708.3U
Other languages
Chinese (zh)
Inventor
严定春
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhangjiagang Shenzhou Machine Co ltd
Original Assignee
Zhangjiagang Shenzhou Machine Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhangjiagang Shenzhou Machine Co ltd filed Critical Zhangjiagang Shenzhou Machine Co ltd
Priority to CN202021326708.3U priority Critical patent/CN212764624U/en
Application granted granted Critical
Publication of CN212764624U publication Critical patent/CN212764624U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model discloses a compound die power guiding mechanism in injection molding machine, include: the rear template is provided with a cross seat in a sliding manner, the cross seat is hinged with a first connecting rod, the first connecting rod is hinged with the rear template and a second connecting rod, and the second connecting rod is hinged with the fixed template; the fixed die plate is provided with four guide rods, the rear die plate and the movable die plate are sleeved on the guide rods, the upper section parts of the guide rods are provided with threaded sections, the rear die plate is provided with four die adjusting gears, inner side walls of the die adjusting gears are provided with inner threads, the threaded sections on the guide rods are in threaded connection with the inner threads of the die adjusting gears, the rear die plate is provided with a gear ring, the gear ring is meshed with the die adjusting gears, the rear die plate is provided with a rotary driving mechanism, the rotary driving mechanism is provided with a small gear, and the small gear is meshed with the gear ring. The stable mold clamping force can be obtained, and the size of the mold clamping force can be accurately adjusted, so that the mold clamping tightness is improved.

Description

Mold clamping force adjusting mechanism in injection molding machine
Technical Field
The utility model relates to an injection molding machine especially relates to compound die power guiding mechanism in the injection molding machine.
Background
An injection molding machine is a molding device which can make thermoplastic plastics or thermosetting plastics into plastic products with various shapes by utilizing a plastic molding die. The injection molding machine comprises: the injection molding machine comprises a frame, wherein an injection mechanism and a mold clamping mechanism are arranged on the frame, and a molding mold can be placed in the mold clamping mechanism. The locking mechanism of current injection molding machine includes: the die comprises a rear die plate, a movable die plate and a fixed die plate, wherein a plurality of guide posts are fixedly arranged between the rear die plate and the fixed die plate, the movable die plate is sleeved on the guide posts, a driving mechanism is arranged on the rear die plate and connected with the movable die plate, and the driving mechanism drives the movable die plate to be far away from or close to the fixed die plate along the guide posts, so that die opening or die closing is carried out. However, the clamping mechanism with such a structure has the following disadvantages: the movable template has a large volume, and when the driving mechanism drives the movable template to open or close the mold, the movable template can be subjected to a large impact force instantly, so that the movable template can not stably run, uneven stress on the movable template is easily caused, the mold closing is not tight enough, and the injection molding quality is finally affected.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a stable in structure, convenient operation, transfer the mould and the high mold clamping force guiding mechanism in the injection molding machine of compound die precision.
In order to achieve the above object, the utility model adopts the following technical scheme: mold clamping force adjusting mechanism in injection molding machine includes: the rear template, the movable template and the fixed template can be fixed on the rack, a first guide post is respectively fixedly arranged at the front end and the rear end of the rear template, a cross seat is arranged on the two first guide posts in a sliding manner, a plurality of pull rods are respectively hinged at the left end and the right end of the cross seat, the pull rods are hinged with the middle part of a first connecting rod, the upper end of the first connecting rod is hinged with the rear template, the lower end of the first connecting rod is hinged with the upper end of a second connecting rod, the lower end of the second connecting rod is hinged with the fixed template, a driving mechanism capable of driving the cross seat to slide up and down along the first guide post is arranged on the rear template, a collision rod is arranged at the bottom of the cross seat, the bottom of the collision rod extends downwards to the cross seat, a limit switch is arranged on the movable template, the limit switch is aligned with the; a plurality of second guide posts are arranged on the fixed die plate upwards, and the movable die plate is sleeved on the second guide posts and can slide up and down on the second guide posts; four guide rods are fixedly arranged on the fixed die plate upwards, the rear die plate and the movable die plate are sleeved on the four guide rods and can slide up and down along the four guide rods, a threaded section is arranged on the upper section of each guide rod, four die adjusting gears are arranged on the rear die plate, internal threads are arranged on the inner side wall of each die adjusting gear, the threaded section on each guide rod upwards extends out of the rear die plate and then is in threaded connection with the internal threads of each die adjusting gear, a gear ring capable of rotating on the rear die plate is arranged on the rear die plate and is meshed with each die adjusting gear, a rotary driving mechanism is arranged on the rear die plate, a small gear is arranged on the rotary driving mechanism, and the small gear is meshed with the gear ring.
Further, in the mold clamping force adjusting mechanism in the injection molding machine, the connecting structure between the first link and the rear mold plate is: two first connecting plates are arranged at the left end and the right end of the rear template at intervals respectively, three first connecting rods are attached to and lean against the first connecting plates respectively, a first pin shaft is fixedly arranged between the first connecting plates and the first connecting rods in a penetrating mode, first key grooves are formed in the front end and the rear end of the first pin shaft respectively, second key grooves are formed in the outer side walls of the two first connecting rods at the front end and the rear end respectively, a first connecting key is arranged between the first key groove and the second key groove on the same side in a clamping mode, and the first connecting key is fixedly connected with the corresponding first connecting rods through bolts.
Further, in the mold clamping force adjusting mechanism in the injection molding machine, three second connecting plates are respectively arranged at the left end and the right end of the cross seat at intervals, a pull rod is respectively clamped between every two adjacent second connecting plates, a second pin shaft is arranged between the second connecting plates and the pull rod in a penetrating manner, third key grooves are respectively formed in the front end and the rear end of each second pin shaft, fourth key grooves are formed in the two second connecting plates at the front end and the rear end, second connecting keys are clamped between the third key groove and the fourth key groove on the same side, and the second connecting keys are fixedly connected with the corresponding second connecting plates through bolts; the two pull rods are further clamped between every two adjacent first connecting rods, a third pin shaft penetrates between the pull rods and the first connecting rods, fifth key grooves are formed in the front end and the rear end of the third pin shaft respectively, sixth key grooves are formed in the outer side walls of the two first connecting rods at the front end and the rear end respectively, a third connecting key is clamped between the fifth key groove and the sixth key groove on the same side, and the third connecting key is fixedly connected with the corresponding first connecting rods through bolts.
Further, mold clamping force adjusting mechanism in injection molding machine, wherein, block respectively between per two first connecting rods and be equipped with a second connecting rod, wear to be equipped with a fourth round pin axle between first connecting rod and second connecting rod, both ends are provided with the seventh keyway respectively around the fourth round pin axle, be provided with the eighth keyway respectively on the lateral wall of two first connecting rods that lie in both ends around, block between seventh keyway and the eighth keyway that lie in same one side and be equipped with the fourth connection key, the fourth connection key passes through bolt and corresponding first connecting rod fixed connection.
Further, the mold clamping force adjusting mechanism in the injection molding machine is characterized in that three third connecting plates are arranged at the left end and the right end of the movable mold plate at intervals, two second connecting rods are clamped between the two adjacent third connecting plates respectively, a fifth pin shaft penetrates through the third connecting plates and the second connecting rods, ninth key grooves are formed in the front end and the rear end of the fifth pin shaft respectively, tenth key grooves are formed in the outer side walls of the two third connecting plates at the front end and the rear end respectively, a fifth connecting key is clamped between the ninth key groove and the tenth key groove on the same side, and the fifth connecting key is fixedly connected with the corresponding second connecting plates through bolts.
Further, in the mold clamping force adjusting mechanism in the injection molding machine, the connecting structure between the mold adjusting gear and the rear mold plate is: the upper end and the lower end of the die adjusting gear are respectively provided with a connecting shaft, the two connecting shafts are respectively sleeved with a bearing, the rear template is uniformly arranged along the circumference and is provided with four through holes at intervals, the top wall of each through hole is provided with a first bearing ring groove, a pressing plate is arranged above the through hole, a second bearing ring groove is arranged in the pressing plate, the die adjusting gear is positioned between the through hole and the pressing plate, the bearing positioned at the lower end of the die adjusting gear is placed in the first bearing ring groove, the bearing positioned at the upper end of the die adjusting gear is placed in the second bearing ring groove, and the pressing plate is fixedly connected with the rear template through bolts.
Further, in the mold clamping force adjusting mechanism in the injection molding machine, the connecting structure between the ring gear and the rear mold plate is: four sleeves are evenly arranged on the rear template at intervals along the circumference, each sleeve is provided with a deep groove ball bearing, the inner side wall of the gear ring is provided with a sliding groove, and the four deep groove ball bearings are clamped in the sliding grooves of the gear ring respectively.
Further, in the mold clamping force adjusting mechanism in the injection molding machine, the rotary driving mechanism is a servo motor, and the pinion is arranged on an output shaft of the servo motor.
Further, in the mold clamping force adjusting mechanism in the injection molding machine, the driving mechanism is a hydraulic oil cylinder.
The utility model has the advantages that: the cross seat is connected with the left end and the right end of the movable template through the connecting rod mechanisms at the left end and the right end, so that the movable template can be stably driven by the hydraulic oil cylinder through the vertical movement of the movable template driven by the cross seat, the running stability of the movable template is improved, the stable mold closing force can be obtained between the movable template and the fixed template, and the mold closing tightness is improved. The lifting speed and the stroke distance of the rear template and the movable template can be accurately controlled by using the servo motor and the lifting of the threads, the mold closing force between the movable template and the fixed template can be accurately adjusted, the stability of the whole mold closing mechanism can be improved by utilizing the thread self-locking characteristic of threaded connection, and thus, the tightness of mold closing of the movable template and the fixed template can be ensured when the movable template and the fixed template are closed, and the injection molding quality is greatly improved.
Drawings
Fig. 1 is a schematic perspective view of a mold clamping force adjusting mechanism in an injection molding machine according to the present invention.
Fig. 2 is a front view schematically showing a part of the structure of fig. 1.
Fig. 3 is a schematic diagram of the right-side structure of fig. 2.
Fig. 4 is a schematic structural view of the mode adjusting gear in fig. 1.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and preferred embodiments.
As shown in fig. 1, fig. 2, fig. 3, and fig. 4, the mold clamping force adjusting mechanism in an injection molding machine of the present invention includes: a rear template 1, a movable template 2 and a fixed template 3 which can be fixed on a frame, wherein the front end and the rear end of the rear template 1 are respectively fixedly provided with a first guide post 11, a cross seat 4 is arranged on the two first guide posts in a sliding manner, the left end and the right end of the cross seat 4 are respectively articulated with a plurality of pull rods 41, the pull rods 41 are articulated with the middle part of a first connecting rod 5, the upper end of the first connecting rod 5 is articulated with the rear template 1, the lower end of the first connecting rod 5 is articulated with the upper end of a second connecting rod 6, the lower end of the second connecting rod 6 is articulated with the fixed template 3, the rear template 1 is provided with a driving mechanism which can drive the cross seat 4 to slide up and down along the first guide posts 11, the driving mechanism is a hydraulic oil cylinder 14, the bottom of the cross seat 4 is provided with a striker 42, the bottom of the striker 42 extends downwards out of the cross seat 4, the movable template 2 is provided with a, the limit switch 21 is electrically connected with the hydraulic oil cylinder 14 through a controller; the fixed die plate 3 is provided with a plurality of second guide posts 31, and the movable die plate 2 is sleeved on the second guide posts 31 and can slide up and down on the second guide posts 31.
When the die is closed, the hydraulic oil cylinder 14 drives the cross seat 4 to move downwards along the first guide post 11, the pull rods 41 at the left and right ends of the cross seat 4 pull the first connecting rod 5 and the second connecting rod 6 to drive the movable die plate 2 to move towards the fixed die plate 3 along the second guide post 31, after the movable die plate 2 and the fixed die plate 3 are closed, the cross seat 4 continues to move downwards, the pull rods 41 at the left and right ends of the cross seat 4 pull the first connecting rod 5 to rotate towards the cross seat 4, the first connecting rod 5 drives the second connecting rod 6 to rotate towards the cross seat 4 together, when the impact rod 42 touches the limit switch 21, the limit switch sends a signal to the controller, the controller controls the hydraulic oil cylinder 14 to stop working, at the moment, an inward-folded state towards the direction of the cross seat 4 is formed between the first connecting rod 5 and the second connecting rod 6, and the first connecting rod 5 and the second connecting rod 6 in the inward-folded state not only apply larger pressure to, but also plays a role in locking the movable die plate 2. When the die is opened, the hydraulic oil cylinder 14 drives the cross seat 4 to move upwards along the first guide post 11, the pull rods 41 at the left end and the right end of the cross seat 4 pull the first connecting rod 5 and the second connecting rod 6 to be converted from the folded state to the extended state, then the cross seat 4 continues to move upwards, and the pull rods 41 on the cross seat 4 pull the first connecting rod 5 and the second connecting rod 6 to drive the movable die plate 2 to move upwards to be far away from the fixed die plate 3.
Four guide rods 32 are fixedly arranged on the fixed template 3 upwards, the rear template 1 and the movable template 2 are sleeved on the four guide rods 32 and can slide up and down along the four guide rods 32, the upper sections of the guide rods 32 are provided with thread sections, the rear template 1 is provided with four die adjusting gears 7, the inner side wall of each die adjusting gear 7 is provided with internal threads, the thread sections on the guide rods 32 upwards extend out of the rear template 1 and are in threaded connection with the internal threads of each die adjusting gear 7, the rear template 1 is provided with four sleeves 71 at intervals along the circumference, each sleeve 71 is provided with a deep groove ball bearing 72, the rear template 1 is provided with a gear ring 73, the inner side wall of the gear ring 73 is provided with a sliding groove, and the four deep groove ball bearings 72 are respectively clamped in the sliding grooves of the gear ring 73, so that the gear ring 73 is fixed on the four deep groove ball bearings 72 and can rotate, the ring gear 73 meshes with each of the die adjustment gears 7, a servo motor 74 is provided as a rotation drive mechanism on the rear die plate 1, a pinion gear 75 is provided on an output shaft of the servo motor 74, and the pinion gear 75 meshes with the ring gear 73.
When the mold adjustment is needed, after the servo motor 74 is used for driving the pinion 75 to rotate, the pinion 75 drives the gear ring 73 to rotate, the rotating gear ring 73 drives the four mold adjustment gears 7 to simultaneously rotate, and each mold adjustment gear 7 is lifted on each guide rod 32 through threads, so that the rear mold plate 1 and the movable mold plate 2 are driven to move up and down on the guide rods 32.
In this embodiment, the connection structure between the first connecting rod 5 and the fixing base 1 is: two ends are provided with two first connecting plates 12 respectively at the interval about fixing base 1, the interval pastes and leans on three first connecting rods 5 on two first connecting plates 12, wear to establish between first connecting plate 12 and first connecting rod 5 and be fixed with a first round pin axle 51, first keyway has been seted up respectively at first round pin axle 51 front and back both ends, be provided with the second keyway respectively on two first connecting rod 5's of both ends around lieing in the lateral wall, the card is equipped with first connecting key 13 between first keyway and the second keyway that lies in same one side, first connecting key 13 passes through bolt and corresponding first connecting rod 5 fixed connection. Three second connecting plates 43 are respectively arranged at the left end and the right end of the cross seat 4 at intervals, a pull rod 41 is respectively clamped between every two adjacent second connecting plates 43, a second pin shaft 44 is arranged between the second connecting plates 43 and the pull rod 41 in a penetrating manner, third key grooves are respectively arranged at the front end and the rear end of the second pin shaft 44, fourth key grooves are arranged on the two second connecting plates 43 at the front end and the rear end, second connecting keys 45 are clamped between the third key grooves and the fourth key grooves at the same side, and the second connecting keys 45 are fixedly connected with the corresponding second connecting plates 43 through bolts; the two pull rods 41 are further clamped between every two adjacent first connecting rods 5, a third pin shaft 52 penetrates between each pull rod 41 and each first connecting rod 5, fifth key grooves are formed in the front end and the rear end of each third pin shaft 52 respectively, sixth key grooves are formed in the outer side walls of the two first connecting rods 5 located at the front end and the rear end respectively, a third connecting key 53 is clamped between the fifth key groove and the sixth key groove located on the same side, and the third connecting key 53 is fixedly connected with the corresponding first connecting rods 5 through bolts. A second connecting rod 6 is clamped between every two first connecting rods 5, a fourth pin shaft 54 penetrates between the first connecting rods 5 and the second connecting rods 6, seventh key grooves are formed in the front end and the rear end of the fourth pin shaft 54 respectively, eighth key grooves are formed in the outer side walls of the two first connecting rods 5 which are located at the front end and the rear end respectively, a fourth connecting key 55 is clamped between the seventh key groove and the eighth key groove which are located on the same side, and the fourth connecting key 55 is fixedly connected with the corresponding first connecting rods 5 through bolts. Three third connecting plates 22 are arranged at the left end and the right end of the movable template 2 at intervals, two second connecting rods 6 are respectively clamped between two adjacent third connecting plates 22, a fifth pin shaft 61 penetrates between the third connecting plates 22 and the second connecting rods 6, ninth key grooves are respectively arranged at the front end and the rear end of the fifth pin shaft 61, tenth key grooves are respectively arranged on the outer side walls of the two third connecting plates 22 at the front end and the rear end, a fifth connecting key 62 is clamped between the ninth key groove and the tenth key groove at the same side, and the fifth connecting key 62 is fixedly connected with the corresponding third connecting plates 22 through bolts.
In this embodiment, the connection structure between the mold adjusting gear 7 and the rear template 1 is: the upper end and the lower end of the die adjusting gear 7 are respectively provided with a connecting shaft 70, two bearings 701 are respectively sleeved on the two connecting shafts 70, four through holes are uniformly arranged on the rear template 1 at intervals along the circumference, a first bearing ring groove is formed in the top wall of each through hole, a pressing plate 8 is arranged above each through hole, a second bearing ring groove is formed in each pressing plate 8, the die adjusting gear 7 is located between the rear template 1 and the pressing plate 8, the bearing 701 located at the lower end of the die adjusting gear 7 is placed in the first bearing ring groove in each through hole, the bearing 701 located at the upper end of the die adjusting gear 7 is placed in the second bearing ring groove of each pressing plate 8, and the pressing plate 8 is fixedly connected with the rear template 1 through bolts, so that the die adjusting gear 7 is fixed between the rear template 1 and the pressing plate 8.
The utility model has the advantages that: the cross seat is connected with the left end and the right end of the movable template through the connecting rod mechanisms at the left end and the right end, so that the movable template can be stably driven by the hydraulic oil cylinder through the vertical movement of the movable template driven by the cross seat, the running stability of the movable template is improved, the stable mold closing force can be obtained between the movable template and the fixed template, and the mold closing tightness is improved. The lifting speed and the stroke distance of the rear template and the movable template can be accurately controlled by using the servo motor and the lifting of the threads, the mold closing force between the movable template and the fixed template can be accurately adjusted, the stability of the whole mold closing mechanism can be improved by utilizing the thread self-locking characteristic of threaded connection, and thus, the tightness of mold closing of the movable template and the fixed template can be ensured when the movable template and the fixed template are closed, and the injection molding quality is greatly improved.

Claims (9)

1. Mold clamping force adjusting mechanism in injection molding machine includes: back template, movable mould board and the fixed die plate that can fix in the frame, its characterized in that: the front end and the rear end of the rear template are respectively fixedly provided with a first guide pillar, a cross seat is arranged on the two first guide pillars in a sliding manner, a plurality of pull rods are hinged to the left end and the right end of the cross seat respectively, the pull rods are hinged to the middle part of a first connecting rod, the upper end of the first connecting rod is hinged to the rear template, the lower end of the first connecting rod is hinged to the upper end of a second connecting rod, the lower end of the second connecting rod is hinged to a fixed template, a driving mechanism capable of driving the cross seat to slide up and down along the first guide pillars is arranged on the rear template, a collision rod is arranged at the bottom of the cross seat, the bottom of the collision rod extends downwards out of the cross seat, a limit switch is arranged on the movable template, the limit switch is aligned with the collision rod, and; a plurality of second guide posts are arranged on the fixed die plate upwards, and the movable die plate is sleeved on the second guide posts and can slide up and down on the second guide posts; four guide rods are fixedly arranged on the fixed die plate upwards, the rear die plate and the movable die plate are sleeved on the four guide rods and can slide up and down along the four guide rods, a threaded section is arranged on the upper section of each guide rod, four die adjusting gears are arranged on the rear die plate, internal threads are arranged on the inner side wall of each die adjusting gear, the threaded section on each guide rod upwards extends out of the rear die plate and then is in threaded connection with the internal threads of each die adjusting gear, a gear ring capable of rotating on the rear die plate is arranged on the rear die plate and is meshed with each die adjusting gear, a rotary driving mechanism is arranged on the rear die plate, a small gear is arranged on the rotary driving mechanism, and the small gear is meshed with the gear ring.
2. The mold clamping force adjusting mechanism in an injection molding machine according to claim 1, characterized in that: the connecting structure between the first connecting rod and the rear template is as follows: two first connecting plates are arranged at the left end and the right end of the rear template at intervals respectively, three first connecting rods are attached to and lean against the first connecting plates respectively, a first pin shaft is fixedly arranged between the first connecting plates and the first connecting rods in a penetrating mode, first key grooves are formed in the front end and the rear end of the first pin shaft respectively, second key grooves are formed in the outer side walls of the two first connecting rods at the front end and the rear end respectively, a first connecting key is arranged between the first key groove and the second key groove on the same side in a clamping mode, and the first connecting key is fixedly connected with the corresponding first connecting rods through bolts.
3. The mold clamping force adjusting mechanism in an injection molding machine according to claim 2, characterized in that: the left end and the right end of the cross seat are respectively provided with three second connecting plates at intervals, a pull rod is clamped between every two adjacent second connecting plates, a second pin shaft penetrates between the second connecting plates and the pull rod, the front end and the rear end of each second pin shaft are respectively provided with a third key groove, the two second connecting plates positioned at the front end and the rear end are provided with a fourth key groove, a second connecting key is clamped between the third key groove and the fourth key groove positioned at the same side, and the second connecting keys are fixedly connected with the corresponding second connecting plates through bolts; the two pull rods are further clamped between every two adjacent first connecting rods, a third pin shaft penetrates between the pull rods and the first connecting rods, fifth key grooves are formed in the front end and the rear end of the third pin shaft respectively, sixth key grooves are formed in the outer side walls of the two first connecting rods at the front end and the rear end respectively, a third connecting key is clamped between the fifth key groove and the sixth key groove on the same side, and the third connecting key is fixedly connected with the corresponding first connecting rods through bolts.
4. The mold clamping force adjusting mechanism in an injection molding machine according to claim 3, characterized in that: the connecting device comprises a first connecting rod, a second connecting rod, a fourth connecting pin shaft, seventh key grooves, eighth key grooves, a fourth connecting key and a fourth connecting key, wherein the second connecting rod is clamped between every two first connecting rods, the fourth connecting pin shaft penetrates through the first connecting rod and the second connecting rod, the seventh key grooves are formed in the front end and the rear end of the fourth pin shaft respectively, the eighth key grooves are formed in the outer side walls of the two first connecting rods at the front end and the rear end respectively, the fourth connecting key is clamped between the seventh key groove and the eighth key groove which are located on the same side, and the fourth connecting key is fixedly.
5. The mold clamping force adjusting mechanism in an injection molding machine according to claim 4, characterized in that: the movable mould plate is characterized in that three third connecting plates are arranged at the left end and the right end of the movable mould plate at intervals, two second connecting rods are respectively clamped between two adjacent third connecting plates, a fifth pin shaft penetrates through the third connecting plates and the second connecting rods, ninth key grooves are respectively arranged at the front end and the rear end of the fifth pin shaft, tenth key grooves are respectively arranged on the outer side walls of the two third connecting plates at the front end and the rear end, a fifth connecting key is clamped between the ninth key groove and the tenth key groove at the same side, and the fifth connecting key is fixedly connected with the corresponding second connecting plates through bolts.
6. The mold clamping force adjusting mechanism in an injection molding machine according to claim 1, 2, 3, 4, or 5, characterized in that: the connecting structure between the die adjusting gear and the rear template is as follows: the upper end and the lower end of the die adjusting gear are respectively provided with a connecting shaft, the two connecting shafts are respectively sleeved with a bearing, the rear template is uniformly arranged along the circumference and is provided with four through holes at intervals, the top wall of each through hole is provided with a first bearing ring groove, a pressing plate is arranged above the through hole, a second bearing ring groove is arranged in the pressing plate, the die adjusting gear is positioned between the through hole and the pressing plate, the bearing positioned at the lower end of the die adjusting gear is placed in the first bearing ring groove, the bearing positioned at the upper end of the die adjusting gear is placed in the second bearing ring groove, and the pressing plate is fixedly connected with the rear template through bolts.
7. The mold clamping force adjusting mechanism in an injection molding machine according to claim 1, 2, 3, 4, or 5, characterized in that: the connecting structure between the gear ring and the rear template is as follows: four sleeves are evenly arranged on the rear template at intervals along the circumference, each sleeve is provided with a deep groove ball bearing, the inner side wall of the gear ring is provided with a sliding groove, and the four deep groove ball bearings are clamped in the sliding grooves of the gear ring respectively.
8. The mold clamping force adjusting mechanism in an injection molding machine according to claim 1, 2, 3, 4, or 5, characterized in that: the rotary driving mechanism is a servo motor, and the pinion is arranged on an output shaft of the servo motor.
9. The mold clamping force adjusting mechanism in an injection molding machine according to claim 1, 2, 3, 4, or 5, characterized in that: the driving mechanism is a hydraulic oil cylinder.
CN202021326708.3U 2020-07-08 2020-07-08 Mold clamping force adjusting mechanism in injection molding machine Active CN212764624U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021326708.3U CN212764624U (en) 2020-07-08 2020-07-08 Mold clamping force adjusting mechanism in injection molding machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021326708.3U CN212764624U (en) 2020-07-08 2020-07-08 Mold clamping force adjusting mechanism in injection molding machine

Publications (1)

Publication Number Publication Date
CN212764624U true CN212764624U (en) 2021-03-23

Family

ID=75076540

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021326708.3U Active CN212764624U (en) 2020-07-08 2020-07-08 Mold clamping force adjusting mechanism in injection molding machine

Country Status (1)

Country Link
CN (1) CN212764624U (en)

Similar Documents

Publication Publication Date Title
CN103950144B (en) Electric-hydraulic combined formula injection (mo(u)lding) machine and control method thereof
CN209888022U (en) Vertical electric injection molding machine
EP2629954B1 (en) Injection moulding apparatus with toggle mechanism
CN213533583U (en) Large injection molding machine template
CN106827463B (en) Electric adjusting device for head die orifice gap of blow molding machine
CN2910534Y (en) Injection moulding locked gear featured synchronous staggered tooth and three-board form
CN212764624U (en) Mold clamping force adjusting mechanism in injection molding machine
CN107186977A (en) Working of plastics shaping dies
CN208514893U (en) A kind of injection mold with ejecting mechanism
CN203680650U (en) Small-size multi-color vertical type precision injection molding machine
CN201423737Y (en) Oblique plasticization, horizontal injection and horizontal mold closing device for rubber injection machine
CN103692612A (en) Small-sized multi-color vertical type precision injection molding machine
CN1039753A (en) Dual dynamic model injection make-up machine
CN212764625U (en) Symmetrical mould-closing mechanism in injection moulding machine
CN210759053U (en) Safety type mold closing device for injection molding machine
CN212684566U (en) Injection mold convenient to install and used for high-speed injection molding machine
CN2186650Y (en) Double-plate mould closing mechanism
CN212764641U (en) Mould adjusting mechanism in injection molding machine
CN209649327U (en) A kind of novel PVC injection moulding machine
CN113306101A (en) Hydraulic two-plate type plastic injection molding machine
CN101108524B (en) Continuous production method for plastic products and apparatus thereof
CN211938672U (en) Hardware stamping die convenient for demolding
CN209756033U (en) Plastic sheet cooling and shaping device
CN202087760U (en) Closed forging device
CN112721072A (en) Energy-saving injection molding machine

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant