CN112848066A

CN112848066A - Annular injection molding joint line removing device

Info

Publication number: CN112848066A
Application number: CN202011219800.4A
Authority: CN
Inventors: 许焕彬
Original assignee: Borunte Robot Co Ltd
Current assignee: Borunte Robot Co Ltd
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-05-28
Anticipated expiration: 2040-11-04
Also published as: CN112848066B

Abstract

The invention discloses a device for removing a ring-shaped injection molding joint line, which comprises a base body, a driving wheel, a driven wheel, a first pivot swing block, a second pivot swing block, a removing cutter, a first pressure spring, a second pressure spring and a rotary driver. The rotary driver is arranged on the base body, and the driving wheel is also separated from the driven wheel in the wheel diameter direction of the driving wheel. The first end of the first pivot swing block is pivoted with the base body, the second end of the first pivot swing block is provided with a first auxiliary wheel, and the first pressure spring is arranged between the base body and the second end of the first pivot swing block; the first end of the second pivot swing block is pivoted with the base body, and the second end of the second pivot swing block is provided with a second auxiliary wheel; the second pressure spring is arranged between the base body and the second end of the second pivot swing block; the planing tool is positioned above the base body and is arranged on the base body, and the planing tool is used for planing the inner side and/or the outer side joint line of the annular product; so as to reduce the material consumption, shorten the production time and ensure the processing quality of the joint line.

Description

Annular injection molding joint line removing device

Technical Field

The invention relates to the field of mold clamping line processing of injection molding products, in particular to a device for removing an annular injection molding mold clamping line.

Background

With the wide application of intellectualization and automation of products in market economy, the requirement on production quality is continuously improved, enterprises continuously pursue production with attractive appearance, high quality, production period saving and production cost reduction, and therefore, the production process has the requirements on short production period, attractive appearance, qualified quality and cost reduction.

Wherein, in the injection molding industry, the removal step that the product formed by injection molding can not leave the mold closing line. At present, for the processing of the joint line, an automatic joint line polisher is often used, but the automatic joint line polisher is not suitable for the treatment of the joint line of the inner side and the outer side of the ring-shaped product (particularly, the circular ring-shaped product). And to the joint line processing of the inboard and outside of cyclic annular product generally use the whole polishing equipment of main shaft, however, the whole polishing equipment of main shaft has the defect that the whole space of shared is big, the extravagant material, need artifical handheld material to dig out, time is long and the process is comparatively loaded down with trivial details.

Therefore, a need exists for a device for removing a ring-shaped injection molding parting line that overcomes the above-mentioned deficiencies.

Disclosure of Invention

The invention aims to provide a device for planing off an annular injection moulding joint line, which can reduce consumables, shorten production time and ensure the treatment quality of the joint line.

In order to achieve the above object, the annular injection molding parting line removing device of the present invention is suitable for removing a parting line of an injection molded annular product, and includes a base body, a driving wheel, a driven wheel, a first pivot block, a second pivot block, a removing tool, a first pressure spring, a second pressure spring, and a rotation driver for driving the driving wheel to rotate. The rotary driver is arranged on the base body, the driving wheel and the driven wheel are respectively positioned above the base body and can horizontally rotate on the base body, and the driving wheel is also separated from the driven wheel in the wheel diameter direction of the driving wheel; the first end of the first pivot swing block is pivoted with the base body, and the second end of the first pivot swing block is provided with a first auxiliary wheel which is positioned above the base body and matched with the driving wheel; the first pressure spring is arranged between the base body and the second end of the first pivot swinging block, the first pivot swinging block horizontally pivots towards a position close to the driving wheel under the action of the first pressure spring so as to enable the first auxiliary wheel and the driving wheel to be close to each other, and the driving wheel and the first auxiliary wheel which are close to each other clamp the position of the annular product from the inner side and the outer side of the annular product; the first end of the second pivot swing block is pivoted with the base body, and the second end of the second pivot swing block is provided with a second auxiliary wheel which is positioned above the base body and matched with the driven wheel; the second pressure spring is arranged between the base body and the second end of the second pivot swinging block, the second pivot swinging block horizontally pivots towards a position close to the driven wheel under the action of the second pressure spring so as to enable the second auxiliary wheel and the driven wheel to be close to each other, and the driven wheel and the second auxiliary wheel close to each other clamp the other position of the annular product from the inner side and the outer side of the annular product; the planing tool is located above the base body and is installed on the base body, and the planing tool is used for planing a joint line on the inner side and/or the outer side of the annular product.

Preferably, the first auxiliary wheel and the second auxiliary wheel press the annular product from one of the inner side and the outer side of the annular product, and the driving wheel and the driven wheel press the annular product from the other of the inner side and the outer side of the annular product.

Preferably, the annular injection mold clamping line planing device further comprises a connecting rod, a first end of the connecting rod is hinged to the first auxiliary wheel, a second end of the connecting rod is hinged to the second auxiliary wheel, and the first pivot block, the first auxiliary wheel, the first connecting rod, the second auxiliary wheel, the second pivot block and the base body together enclose a parallel four-bar mechanism.

Preferably, the first pivot swing block and the second pivot swing block are located above the base body, the base body has a first protruding block and a second protruding block protruding upward, the first protruding block is located on the front side of the first pivot swing block along the pivot swing direction of the first pivot swing block away from the driving wheel, a first pressure adjusting screw extending toward the second end close to the first pivot swing block is rotatably arranged on the first protruding block, the second protruding block is located on the front side of the second pivot swing block along the pivot swing direction of the second pivot swing block away from the driven wheel, a second pressure adjusting screw extending toward the second end close to the second pivot swing block is rotatably arranged on the second protruding block, the first pressure spring is arranged between the first protruding block and the second end of the first pivot swing block, and the first pressure spring is further sleeved on the first pressure adjusting screw, the second pressure spring is arranged between the second lug and the second end of the second pivot swing block, and the second pressure spring is further sleeved on the second pressure adjusting screw.

Preferably, the driving wheel and/or the driven wheel is/are provided with a limiting clamping groove for limiting the annular product opening to axially move.

Preferably, the rotation driver is located below the base body, an output end of the rotation driver is arranged upward, and the driving wheel is mounted on the output end of the rotation driver.

Preferably, the annular injection mold parting line shaving apparatus of the present invention further comprises an apparatus frame, the base body is mounted on the apparatus frame, and the rotational driver is suspended in the apparatus frame.

Preferably, the removing tools are located in a space surrounded by the driving wheel and the driven wheel, and the removing tools are further distributed on the inner side and the outer side of the annular product.

Preferably, the annular injection molding parting line planing device further comprises a cutter angle adjusting screw, the planing cutter is pivoted with the base body around a vertical central line, the base body is provided with an arc-shaped adjusting long hole taking the vertical central line as a center, the cutter angle adjusting screw is vertically inserted into the arc-shaped adjusting long hole, the cutter angle adjusting screw is further in threaded connection with the planing cutter, and the planing cutter is subjected to angle adjustment around the vertical central line by means of tightness of the cutter position adjusting screw.

Preferably, the planing tool comprises a tool rest pivoted with the base body around the vertical center line and a planing tool mounted on the tool rest, and a fine adjustment screw for fine adjustment of the planing tool is mounted on the side surface of the tool rest.

Compared with the prior art, the first auxiliary wheel and the driving wheel are close to each other and clamp one position of the annular product from the inner side and the outer side of the annular product under the action of the first pressure spring by virtue of the first pivot swinging block, the second auxiliary wheel and the driven wheel are close to each other and clamp the other position of the annular product from the inner side and the outer side of the annular product by virtue of the second pivot swinging block and the action of the second pressure spring, and the driving wheel is adopted to drive the driven wheel to rotate under the driving of the rotating driver, so that the problem of large circular run-out degree of the annular product during planing off is reduced, and the annular product is coordinated with injection molding tolerance to ensure the processing quality of a joint line; on the other hand, the annular product is prevented from being manually held during planing, so that the production beat is shortened. Simultaneously, with the help of the cutter of removing, can prevent that the dust that the consumptive material polishing produced from scraping the flower to the product to the waste material that causes secondary operation is to product outward appearance injury, compares the life cycle length of emery wheel, removes the cutter passivation back, but reuse after the sharpening.

Drawings

Fig. 1 is a schematic perspective view of a ring-shaped injection mold parting line removing device according to the present invention for removing a ring-shaped product.

Fig. 2 is a schematic perspective view of the annular injection mold parting line removing apparatus shown in fig. 1 after hiding the annular product, the apparatus frame, and the switch.

Fig. 3 is a schematic perspective view of fig. 2 at another angle.

Fig. 4 is a schematic perspective view of fig. 2 at a further angle.

Detailed Description

The preferred embodiments of the present invention will now be described with reference to the accompanying drawings, which are given by way of illustration.

Referring to fig. 1 to 3, the apparatus 100 for removing a mold clamping line in an injection molding of a ring-shaped product 200 of the present invention comprises a base body 10, a driving wheel 20a, a driven wheel 20b, a first pivotal block 30a, a second pivotal block 30b, a removing tool 40, a first pressure spring 50a, a second pressure spring 50b, and a rotation driver 60 for driving the driving wheel 20a to rotate. The rotary driver 60 is mounted on the base body 10, the base body 10 provides a supporting and fixing function for the rotary driver 60, preferably, the rotary driver 60 is located below the base body 10, the output end 61 of the rotary driver 60 is disposed upward, and the driving wheel 20a is mounted on the output end 61 of the rotary driver 60, such that the rotary driver 60 is mounted below the base body 10, thereby avoiding the interference with the annular product 200 due to the rotary driver 60 being mounted above the base body 10, and further enabling the structure of the annular injection parting line removing device 100 of the present invention to be more compact, but not limited thereto. The driving pulley 20a and the driven pulley 20b are each located above the base body 10 and can rotate horizontally on the base body 10, and the driving pulley 20a is further spaced from the driven pulley 20b in the wheel diameter direction of the driving pulley 20a, so that a space 23 is enclosed between the driving pulley 20a and the driven pulley 20 b. The first end of the first pivot swing block 30a is pivoted with the base body 10, the second end of the first pivot swing block 30a is equipped with the first auxiliary wheel 70a which is positioned above the base body 10 and is matched with the driving wheel 20a, preferably, the first pivot swing block 30a is positioned above the base body 10, so that the design can avoid the situation that the avoidance space needs to be arranged on the base body 10 because the first auxiliary wheel 70a is positioned above the base body 10 and the first pivot swing block 30a is positioned below the base body 10, so that the connecting positions of the first auxiliary wheel 70a and the base body 10 are penetrated and movably used. The first pressure spring 50a is disposed between the base body 10 and the second end of the first pivotal block 30a, so that the first pivotal block 30a is pivotally swung toward the position close to the driving wheel 20a under the action of the first pressure spring 50a, so that the first auxiliary wheel 70a and the driving wheel 20a are close to each other, and the driving wheel 20a and the first auxiliary wheel 70a close to each other clamp the annular product 200 from the inner side and the outer side of the annular product 200, as shown in fig. 1. The first end of the second pivot swing block 30b is pivoted with the base body 10, the second end of the second pivot swing block 30b is equipped with a second auxiliary wheel 70b which is positioned above the base body 10 and is matched with the driven wheel 20b, preferably, the second pivot swing block 30b is positioned above the base body 10, so that the design can avoid the situation that an avoidance space needs to be arranged on the base body 10 because the second auxiliary wheel 70b is positioned above the base body 10 and the second pivot swing block 30b is positioned below the base body 10, so that the connecting positions of the second auxiliary wheel 70b and the base body 10 are penetrated and movably used. The second pressure spring 50b is disposed between the base body 10 and the second end of the second pivotal block 30b, so that the second pivotal block 30b is pivotally swung toward the driven wheel 20b by the second pressure spring 50b, so that the second auxiliary wheel 70b and the driven wheel 20b are moved toward each other, and the driven wheel 20b and the second auxiliary wheel 70b moved toward each other clamp another position of the ring-shaped product 200 from the inner side and the outer side of the ring-shaped product 200, as shown in fig. 1. The planing tool 40 is located above the base body 10 and is mounted on the base body 10, preferably, the planing tool 40 is located in the space 23 enclosed by the driving wheel 20a and the driven wheel 20b, the planing tool 40 is further distributed on the inner side and the outer side of the annular product 200 and is used for planing parting lines of the inner side 210 and the outer side 220 of the annular product 200, so that the planing effect and the planing process of the planing tool 40 on the parting lines of the inner side 210 and the outer side 220 of the annular product 200 are more reliable; of course, in other embodiments, the removing tool 40 may be disposed on the inner side 210 or the outer side 220 of the annular product 200 to correspondingly remove the parting line of the inner side 210 or the outer side 220 of the annular product 200, and therefore, the disclosure is not limited thereto. More specifically, the following:

as shown in fig. 1 to 3, the first auxiliary wheel 70a and the second auxiliary wheel 70b press the annular product 200 from the inner side 210 of the annular product 200, and the driving wheel 20a and the driven wheel 20b press the annular product 200 from the outer side 220 of the annular product 200, so that the annular product 200 is used as a reference, the first auxiliary wheel 70a and the second auxiliary wheel 70b are arranged on the same side, and the driving wheel 20a and the driven wheel 20b are arranged on the same side, so as to conveniently and quickly clamp the annular product 200 between the first auxiliary wheel 70a and the driving wheel 20a, and between the second auxiliary wheel 70b and the driven wheel 20b, and further facilitate the removal of the annular product 200. Specifically, in order to make the first auxiliary wheel 70a and the second auxiliary wheel 70b synchronously press against the annular product 200 or release the pressing against the annular product 200, and make the clamping or releasing operation of the annular product 200 more convenient, the annular injection molding parting line removing device 100 of the present invention further includes a connecting rod 80a, a first end of the connecting rod 80a is hinged to the first auxiliary wheel 70a, and a second end of the connecting rod 80a is hinged to the second auxiliary wheel 70b, so that the first pivot block 30a, the first auxiliary wheel 70a, the first connecting rod 80a, the second auxiliary wheel 70b, the second pivot block 30b, and the base body 10 together enclose a parallel four-bar mechanism, but not limited thereto. It is understood that, in other embodiments, the first auxiliary wheel 70a and the second auxiliary wheel 70b can also press the annular product 200 from the outer side 220 of the annular product 200, and correspondingly, the driving wheel 20a and the driven wheel 20b press the annular product 200 from the inner side 210 of the annular product 200, so the disclosure is not limited thereto.

In fig. 1 to 3, in order to adjust the driving effect of the rotating driver 60 to drive the annular product 200 to rotate by the driving wheel 20a, the base body 10 has a first protrusion 11 and a second protrusion 12 protruding upward, the first protrusion 11 is located at the front side of the first pivoting block 30a along the pivoting direction (see the direction indicated by the arrow on the first pivoting block 30a in fig. 2) of the first pivoting block 30a away from the driving wheel 20a, and a first pressure adjusting screw 13 extending toward the second end close to the first pivoting block 30a is rotatably disposed on the first protrusion 11; the second protrusion 12 is located at the front side of the second pivot swinging block 30b along the pivot swinging direction (see the direction indicated by the arrow on the second pivot swinging block 30b in fig. 2) of the second pivot swinging block 30b away from the driven wheel 20b, and the second protrusion 12 is rotatably provided with a second pressure adjusting screw 14 extending towards the second end close to the second pivot swinging block 30 b; the first pressure spring 50a is arranged between the first convex block 11 and the second end of the first pivoting block 30a, and the first pressure spring 50a is further sleeved on the first pressure adjusting screw 13, so that the compression amount of the first pressure spring 50a is adjusted by the first pressure adjusting screw 13, and the pressure between the driving wheel 20a and the first auxiliary wheel 70a is controlled; the second pressure spring 50b is disposed between the second protrusion 12 and the second end of the second pivotal block 30b, and the second pressure spring 50b is further sleeved on the second pressure adjusting screw 14, so as to adjust the compression amount of the second pressure spring 50b by means of the second pressure adjusting screw 14, thereby controlling the pressure between the driven wheel 20b and the second auxiliary wheel 70 b. In order to prevent the annular product 200 from generating axial movement during the planing process, the driving wheel 20a and the driven wheel 20b are provided with limiting

slots

21 and 22 for limiting the axial movement of the annular product opening 200. It is understood that, in other embodiments, the

limit slots

21 and 22 can be opened by the driving wheel 20a or the driven wheel 20b, and therefore, the invention is not limited thereto. In order to make the annular injection mold clamping line removing device 100 of the present invention stand on the ground, the annular injection mold clamping line removing device 100 of the present invention further includes a device frame 80b, the base body 10 is mounted on the device frame 80b, and the rotary driver 60 is suspended in the device frame 80b, for example, the rotary driver 60 is a motor, so as to complete the removing process through high-belt clamping transmission of the motor, and the processing cycle is more reasonable, but not limited thereto.

As shown in fig. 3 and 4, the annular injection molding parting line removing device 100 of the present invention further includes a cutter swing angle adjusting screw 90a, the removing cutter 40 is pivotally connected to the base body 10 around a vertical center line C, the base body 10 is provided with an arc-shaped adjusting long hole 15 centered on the vertical center line C, the cutter swing angle adjusting screw 90a is vertically inserted into the arc-shaped adjusting long hole 15, the cutter swing angle adjusting screw 90a is further in threaded connection with the removing cutter 40, and the removing cutter 40 is adjusted in a swing angle around the vertical center line C by the tightness of the cutter position adjusting screw 90a, so that on one hand, the requirement of annular products 200 with different rules is met, the reuse efficiency of the annular injection molding parting line removing device 100 of the present invention is greatly achieved, and the purpose of one having multiple purposes is achieved; on the other hand, since the removing effect is related to the formed inclined angle, the inclined angle of the removing tool 40 relative to the annular product 200 can be adjusted by the cooperation of the tool swing angle adjusting screw 90a and the arc-shaped adjusting slot 15, so that the tolerance of the parting line and burr of the annular product 200 is controlled by the form and position tolerance of the annular product 200 itself, and the removing effect is better. Specifically, the planing tool 40 includes a tool holder 41 pivotally connected to the base 10 about a vertical center line C and a planing tool 42 mounted on the tool holder 41, and a fine adjustment screw 43 for fine adjustment of the planing tool 42 is mounted on a side surface of the tool holder 41, so that the feeding amount of the planing tool 42 is quickly fine adjusted by the fine adjustment screw 43, and the cutting effect is adjusted.

The operation of the annular injection mold clamping line removing device 100 of the present invention will be described with reference to the accompanying drawings: in the feeding process, the handle 90c arranged on the connecting rod 80a is manually pulled open, so that the connecting rod 80a translates towards the direction far away from the driving wheel 20a and the driven wheel 20b, the first auxiliary wheel 70a on the first pivoting block 30a is driven to be far away from the driving wheel 20a, meanwhile, the second auxiliary wheel 70b on the second pivoting block 30b is driven to be far away from the driven wheel 20b, and finally, a gap is formed between the first auxiliary wheel 70a and the driving wheel 20a and between the second auxiliary wheel 70b and the driven wheel 20 b; then, the annular product 200 is placed in the gap and the limiting

clamping grooves

21 and 22; then, the handle 90c is released, and under the action of the first pressure spring 50a and the second pressure spring 50b, the first auxiliary wheel 70a and the driving wheel 20a and the second auxiliary wheel 70b and the driven wheel 20b clamp the annular product 200 together, so as to complete the feeding action.

After the loading action is finished, the start button 90b is pressed at the moment, so that the rotary driver 60 works, the rotary driver 60 drives the driving wheel 20a to rotate, the friction force formed by the driving wheel 20a and the driven wheel 20b on the annular product 200 is utilized to drive the annular product 200 to push forwards, and burrs generated by a joint line and a water gap are planed by the planing tool 40; when the annular product 200 is rotated one to two turns, the planing operation can be completed.

After the annular product 200 finishes the planing operation, manually pulling the handle 90c by hand to make the connecting rod 80a translate in a direction away from the driving wheel 20a and the driven wheel 20b, so as to drive the first auxiliary wheel 70a on the first pivoting block 30a to be away from the driving wheel 20a and simultaneously drive the second auxiliary wheel 70b on the second pivoting block 30b to be away from the driven wheel 20b, and finally form a gap between the first auxiliary wheel 70a and the driving wheel 20a and between the second auxiliary wheel 70b and the driven wheel 20 b; then, the annular product 200 is taken out from the gap and the limiting

clamping grooves

21 and 22, and the blanking operation is completed.

Compared with the prior art, the first pivot swing block 30a is used, under the action of the first pressure spring 50a, the first auxiliary wheel 70a and the driving wheel 20a are close to each other and clamp the annular product 200 from the inner side and the outer side of the annular product 200, the second pivot swing block 30b is used, under the action of the second pressure spring 50b, the second auxiliary wheel 70b and the driven wheel 20b are close to each other and clamp the other position of the annular product 200 from the inner side and the outer side of the annular product 200, the driving wheel 20a is used for driving the driven wheel 20b to rotate under the driving of the rotating driver 60, on one hand, the problem of large circular ring roundness generated by the annular product 200 during planing is reduced, and the circular ring is matched with injection molding tolerance to ensure the processing quality of a joint line; on the other hand, the annular product 200 is prevented from being manually held during planing, so that the production rhythm is shortened. Simultaneously, with the help of removing cutter 40, can prevent that the dust that the consumptive material polishing produced from scraping the flower to the product to cause secondary operation's waste material to the product outward appearance injury, compare the life cycle length of emery wheel, remove cutter 40 passivation back, repeatedly usable after the sharpening.

It should be noted that although fig. 1 illustrates the ring-shaped product 200 as being circular, other shapes of the ring-shaped product 200 are not limited thereto. In addition, although the drawing shows that the driving wheel 20a is directly installed at the output end 61 of the rotational driver 60, it is understood that the driving wheel 20a can be first assembled to the base body 10 and then assembled and connected with the output end 61 of the rotational driver 60, and therefore, the disclosure is not limited thereto. Further, the driven pulley 20b is attached to the base body 10.

The above disclosure is only a preferred embodiment of the present invention, which is convenient for those skilled in the art to understand and implement, and certainly not to limit the scope of the present invention, therefore, the present invention is not limited by the claims and their equivalents.

Claims

1. The utility model provides an annular injection moulding joint line removing device, is suitable for removing the joint line of injection moulding's cyclic annular product, its characterized in that, include the base body, action wheel, follow driving wheel, first pivot pendulum piece, second pivot pendulum piece, remove cutter, first pressure spring, second pressure spring and be used for ordering about the rotatory driver that rotates of action wheel, rotate the driver install in the base body, action wheel and follow driving wheel each are located the top of base body and can be in horizontal rotation is done on the base body, the action wheel still is in the wheel footpath direction of action wheel with separate from the driving wheel, the first end of first pivot pendulum piece with the pin joint of base body, the second end of first pivot pendulum piece be equipped with be located the top of base body and with the first auxiliary wheel of action wheel complex, first pressure spring locate the base body with between the second end of first pivot pendulum piece, the first pivoting block horizontally pivots towards a position close to the driving wheel under the action of the first pressure spring to enable the first auxiliary wheel and the driving wheel to be close to each other, the driving wheel and the first auxiliary wheel which are close to each other clamp a position of the annular product from the inner side and the outer side of the annular product, the first end of the second pivoting block is pivoted with the base body, the second end of the second pivoting block is provided with a second auxiliary wheel which is positioned above the base body and matched with the driven wheel, the second pressure spring is arranged between the base body and the second end of the second pivoting block, the second pivoting block horizontally pivots towards a position close to the driven wheel under the action of the second pressure spring to enable the second auxiliary wheel and the driven wheel to be close to each other, and the driven wheel and the second auxiliary wheel which are close to each other clamp the other position of the annular product from the inner side and the outer side of the annular product, the planing tool is located above the base body and is installed on the base body, and the planing tool is used for planing a joint line on the inner side and/or the outer side of the annular product.

2. The annular injection mold parting line removing device as claimed in claim 1, wherein the first auxiliary wheel and the second auxiliary wheel press the annular product from one of an inner side and an outer side of the annular product, and the driving wheel and the driven wheel press the annular product from the other of the inner side and the outer side of the annular product.

3. The apparatus of claim 2, further comprising a link, wherein a first end of the link is hinged to the first auxiliary wheel and a second end of the link is hinged to the second auxiliary wheel, and wherein the first pivot block, the first auxiliary wheel, the first link, the second auxiliary wheel, the second pivot block, and the base body together define a parallelogram linkage.

4. The apparatus as claimed in claim 1, wherein the first and second pivotal swing blocks are located above the base body, the base body has a first and second upwardly protruding projections, the first projection is located at a front side of the first pivotal swing block in a pivotal swing direction of the first pivotal swing block away from the driving wheel, and a first pressure adjusting screw extending toward a second end of the first pivotal swing block is rotatably inserted through the first projection, the second projection is located at a front side of the second pivotal swing block in a pivotal swing direction of the second pivotal swing block away from the driven wheel, and a second pressure adjusting screw extending toward a second end of the second pivotal swing block is rotatably inserted through the second projection, the first pressure spring is located between the first projection and the second end of the first pivotal swing block, the first pressure spring is further sleeved on the first pressure adjusting screw, the second pressure spring is arranged between the second protruding block and the second end of the second pivot swinging block, and the second pressure spring is further sleeved on the second pressure adjusting screw.

5. The apparatus of claim 1, wherein the driving wheel and/or the driven wheel is provided with a limiting slot for limiting axial movement of the annular cavity.

6. The apparatus of claim 1, wherein the rotational driver is located below the base body, an output end of the rotational driver is disposed upward, and the driving wheel is mounted on the output end of the rotational driver.

7. The annular injection mold parting line apparatus of claim 6, further comprising an apparatus frame, the base body being mounted to the apparatus frame, the rotational drive being suspended within the apparatus frame.

8. The apparatus of claim 1, wherein the removing tool is disposed in a space surrounded by the driving wheel and the driven wheel, and the removing tool is further disposed inside and outside the annular product.

9. The apparatus as claimed in claim 8, further comprising a tool pivot angle adjusting screw, wherein the removing tool is pivotally connected to the base body about a vertical center line, the base body is formed with an arc-shaped adjusting slot centered on the vertical center line, the tool pivot angle adjusting screw is vertically inserted into the arc-shaped adjusting slot, the tool pivot angle adjusting screw is further threadedly connected to the removing tool, and the removing tool is pivotally adjusted about the vertical center line by loosening the tool position adjusting screw.

10. The apparatus of claim 9, wherein the removal tool comprises a tool holder pivotally connected to the base body about the vertical centerline and a removal tool mounted on the tool holder, a side of the tool holder having a fine adjustment screw mounted thereon for fine adjustment of the removal tool.