A seamless tee joint pipe injection molding mold

Abstract

The application discloses a seamless three-way pipe injection molding mold, and particularly relates to the technical field of injection molding, which specifically comprises a base, supporting frames are fixedly installed at four corners of the top of the base, an adjusting device is movably installed at the top of the supporting frame, a pouring device is fixedly connected to the middle of the top of the supporting frame, a cover plate is fixedly installed at the top of the pouring device, and a pouring hole diameter is movably installed at the middle of the top of the cover plate. The seamless three-way pipe injection molding mold is used for receiving injection solution through a through plate, the through plate falls downwards, the middle of the through plate is recessed and the two sides of the through plate are protruded, the two sides of the through plate drag the movement of a balance hook plate, the balance strip of a connecting plate supports a center adjusting block, so that the balance performance of the connecting plate is guaranteed, the situation that the injection solution is not easy to fall in the pouring inlet is realized, high limitation is achieved, gravity is fully utilized, the auxiliary role of a stable structure is played, and the function of automatic adjustment is achieved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of injection molding, in particular to a seamless tee pipe injection molding mold. BACKGROUND

[0002] Injection molding, also known as injection molding, is a molding method that combines injection and molding. The advantages of injection molding method are fast production speed, high efficiency, automatic operation, various colors and shapes, simple to complex shapes, and accurate product size. The product is easy to update, can form complex parts, and is suitable for mass production and complex product molding processing fields.

[0003] According to the three-way pipe injection molding mold disclosed in Chinese Patent No. CN217803034U, the three-way pipe injection molding mold includes three cores that form the inner cavity of the three-way pipe after being connected, and a compression mold that forms the injection cavity of the three-way pipe after being connected with the three cores. The characteristic is that the three cores are: the first core has a horizontal and radial communication pouring runner on the inner side of the end face, and a pouring pipe at the center of the first core; the second core is coaxial with the first core, and has a cold material storage tank at the center of the inner side of the end face; and the third core is perpendicular to the first core and the second core.

[0004] In summary, the defects in the above-mentioned prior art are that although the time and steps of post-manual shaping and removal can be saved, the existing double-port pouring method has strong impact on the pouring channel and large scouring on the side wall. The injection speed is improved, the injection rate control is uneven, and the quality of the injection processing is affected. There is still room for improvement. SUMMARY

[0005] In view of the deficiencies of the prior art, the technical solution adopted by the present application to solve the technical problems is:

[0006] A seamless tee pipe injection molding mold, specifically comprising:

[0007] The base is fixedly installed with a supporting frame at the top of the four corners, the supporting frame is movably installed with a dispensing device at the top, the supporting frame is fixedly connected with a pouring device at the top, the pouring device is provided, and the device has the function of automatically reducing the injection solution, improving the quality effect of processing use, the pouring device is fixedly installed with a cover plate at the top, the cover plate is movably installed with a pouring hole diameter at the top, the pouring device is movably installed with a demolding device at the bottom, the demolding device is provided, and the device has the function of automatic rapid cooling, improves the purpose of use, and ensures the effect of processing.

[0008] The pouring device comprises:

[0009] The storage tank is movably arranged in the middle of the top, and a cylinder is slidably connected to the outer side of the bottom of the middle seat, and the middle seat extends into the inner cavity of the cylinder through the cover plate, a thin rod is fixedly connected to the bottom end of the middle seat, a speed regulating device is fixedly connected to the outer side of the lower right side of the thin rod, the speed regulating device adjusts the displacement force of the deflector when it is deflected and impacted, reduces the shaking of the deflector when it is displaced to the outside, reduces the injection rate, and improves the stability of use, and a weight block is fixedly connected to the left side of the bottom end of the speed regulating device.

[0010] Further, the thin rod is composed of a vertical rod and a disc face, and the thin rod is a round rod shape, and the thin rod is made of stainless steel, the size of the notch opened in the middle of the middle seat and the cover plate is matched, the diameter of the middle seat is larger than that of the thin rod, and the centers of the middle seat and the thin rod are on the same straight line, the thin rod is connected to the weight block through the speed regulating device, the weight block rotates and stirs the injection solution in the cylinder, and the injection solution is flushed in the cylinder, the speed regulating device further comprises an upright strip, the deflector is slidably connected to the right side of the upright strip, the middle box seat is slidably connected to the outer side of the right of the deflector, the column body is movably connected to the top of the right side of the middle box seat, the bent strip is fixedly connected to the top end of the column body, the bent strip is connected to the linkage arc plate downward through the auxiliary piece, the arc plate scratches the inner wall of the pouring device, the auxiliary piece is fixedly connected to the top end of the bent strip, the friction strip is movably arranged on the right side of the auxiliary piece, the arc plate is fixedly arranged on the top of the friction strip, the arc plate is designed in a circular arc shape, the arc plate is made of stainless steel, and adhesive is coated between the auxiliary piece and the arc plate, and the middle box seat is provided with a notch corresponding to the deflector in the inner cavity.

[0011] Further, the adjusting device comprises a center adjusting block, a connecting plate is fixedly arranged on the left side of the center adjusting block, a balance strip is fixedly connected to the left side of the connecting plate, a through plate is movably arranged on the bottom of the connecting plate, the through plate is recessed in the middle and protruded on both sides, the balance hook plate is dragged to move on both sides of the through plate, the connecting plate supports the center adjusting block through the balance strip, impact bodies are fixedly arranged on the left side and the right side of the bottom of the through plate, a groove is arranged in the middle of the balance strip, adhesive is coated between the connecting plate and the center adjusting block, and the thickness of the balance strip is smaller than that of the connecting plate.

[0012] Further, the demolding device comprises a mold base, a balance hook plate is slidably connected at the right inner cavity of the mold base, a limited height seat is movably connected in the middle of the mold base, a cylinder is installed in the middle of the balance hook plate, the cylinder is synchronously displaced downward, the sleeve disc is formed to swing, left and right sides of the bottom of the mold base are fixedly connected with sockets, a balance batten is fixedly connected above the inner bottom wall of the mold base, the balance batten is located on the inner side of the socket, a middle plate is movably connected to the top of the balance batten, the socket is designed in a rectangular structure, and there are two sockets in total, the balance hook plate penetrates through the side of the mold base, and the included angle between the middle plate and the demolding device is designed to be ninety degrees.

[0013] The present application provides a seamless tee pipe injection molding mold. Has the following beneficial effects:

[0014] 1. The seamless tee pipe injection molding mold is moved by the impact of the flow rate of the molding solution poured through the middle seat, the middle seat is provided with a notch, the bottom of the middle seat is gradually deflected, the middle seat is shaken by the impact, and the device has the basic condition of automatically processing the injection rate.

[0015] 2. The seamless tee pipe injection molding mold is formed by the inclined bar, the eccentric block swings, the eccentric block tilts and rotates, the eccentric block rotates and stirs the injection solution in the cylinder, the injection solution is washed in the cylinder, the injection solution in the cylinder is gradually distributed, the center of gravity is adjusted, the falling rate is adjusted, and the device has the function of automatically reducing the injection solution, improving the quality effect of processing.

[0016] 3. The seamless tee pipe injection molding mold, the vertical bar rotates to impact the hook piece, the hook piece swings, the hook piece contacts the middle box seat, the hook piece is inserted into the column, the column is shaken by the impact, the column shakes, the bent strip is affected by the column and falls downward, the bent strip is linked to the arc plate downward by the auxiliary piece, the arc plate scratches the inner wall of the pouring device, the friction strip facilitates the improvement of the friction force of the auxiliary piece, so that the balance between the arc plate and the pouring device is reinforced, the displacement force of the hook piece is adjusted, the shaking of the hook piece when it moves outward is reduced, the injection rate is reduced, and the stability of use is improved.

[0017] 4. The seamless tee pipe injection molding mold, the through plate piece receives the injection solution, the through plate piece falls downward, the through plate piece is recessed in the middle and protruded on both sides, the through plate piece drags the balance hook plate to move on both sides, the balance strip supports the center adjusting block through the connecting plate, so that the balance performance of the connecting plate is guaranteed, the injection solution is not easy to appear floating material in the gate, the height is limited, the gravity is fully utilized, the structure is stable, and the automatic adjustment function is realized.

[0018] 5. The seamless three-way pipe injection molding mold is driven upward by the balancing hook plates on both sides of the plate. The middle part of the balancing hook plate is concave and forms a vortex. A cylinder is installed in the middle of the balancing hook plate. The cylinder-linked sleeve disc moves downward synchronously, and the sleeve disc forms a variable swing. The sleeve disc accelerates the internal air flow rate, thereby enabling the equipment to have the function of automatic and rapid cooling, thereby improving the purpose of use and ensuring the treatment effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 This is a schematic structural diagram of the pouring aperture of the present invention;

[0021] Figure 3 It is a schematic structural perspective diagram of the seat of the present invention;

[0022] Figure 4 It is a schematic structural perspective diagram of the cylinder of the present invention;

[0023] Figure 5 It is a schematic structural perspective diagram of the cover plate of the present invention;

[0024] Figure 6 It is a schematic structural perspective diagram of the barb member of the present invention;

[0025] Figure 7 For the present invention Figure 6 A partial enlarged schematic diagram of the arc plate structure at A in the middle;

[0026] Figure 8 This is a schematic structural perspective diagram of the central adjustment block of the present invention;

[0027] Figure 9 It is a schematic structural perspective diagram of the impact body of the present invention;

[0028] Figure 10 It is a schematic structural perspective diagram of the mold base of the present invention;

[0029] Figure 11 This is a schematic structural perspective view of the balancing hook plate of the present invention;

[0030] Figure 12 It is a schematic structural perspective view of the height limiting seat of the present invention.

[0031] In the figure: 1, base; 2, support frame; 3, deployment device; 4, pouring device; 5, cover plate; 6, pouring aperture; 7, demolding device; 31, center adjusting block; 32, connecting plate; 33, balance bar; 34, through plate piece; 35, striker; 41, storage box; 42, middle seat; 43, cylinder; 45, thin bar; 46, speed regulating device; 47, weight biasing block; 461, vertical bar; 462, barb piece; 463, middle box seat; 464, column; 465, bent bar; 466, auxiliary piece; 467, friction bar; 468, arc plate; 71, mold base; 72, balance hook plate; 73, height limiting seat; 74, middle plate; 75, balance plate bar; 76, connecting seat; 77, cylinder; 78, sleeve disc. DETAILED DESCRIPTION

[0032] The application will be further described below in conjunction with the drawings and specific embodiments. The embodiments of the application are given for illustrative and descriptive purposes only and are not exhaustive or limiting of the application. Many modifications and variations will be apparent to those of ordinary skill in the art. Embodiments are chosen and described in order to best explain the principles of the application and its practical application to thereby enable others skilled in the art to best utilize the application in various embodiments and with various modifications as are suited to the particular use contemplated.

[0033] Embodiment 1

[0034] Please refer to Figures 1-7 The application provides a technical solution: a seamless tee pipe injection molding mold, specifically comprising:

[0035] The base 1 has a support frame 2 fixedly installed at the top of the four corners, and a pouring device 4 fixedly connected to the middle of the top of the support frame 2. The pouring device 4 is provided to automatically reduce the injection solution, thereby improving the quality effect of processing use.

[0036] The pouring device 4 comprises:

[0037] The storage box 41 has a middle movable installation of a middle seat 42 on the top, a cylinder 43 slidingly connected to the outside of the bottom of the middle seat 42, and the middle seat 42 extending into the inner cavity of the cylinder 43 through the cover plate 5. The middle seat 42 is fixedly connected to the thin bar 45 at the bottom end shaft, and the thin bar 45 is fixedly connected to the speed regulating device 46 at the outer right side below. The speed regulating device 46 is provided to adjust the displacement force of the deflection impact of the barb piece 462, reduce the shaking of the barb piece 462 when it displaces outward, reduce the injection rate, improve the stability of use, and the speed regulating device 46 is fixedly connected to the weight biasing block 47 at the bottom left.

[0038] The thin bar 45 is composed of two parts of vertical rod and disc surface, and the thin bar 45 is in the shape of round rod, and the thin bar 45 is made of stainless steel material, the size of the notch in the middle of the middle seat 42 and the cover plate 5 is matched, the diameter of the middle seat 42 is larger than that of the thin bar 45, and the centers of the middle seat 42 and the thin bar 45 are on the same straight line, the thin bar 45 is connected with the eccentric weight 47 through the speed regulating device 46, the eccentric weight 47 rotates and stirs the injection molding solution in the cylinder 43, the injection molding solution is flushed in the cylinder 43, the speed regulating device 46 further includes an upright bar 461, a barb piece 462 is slidably connected to the right side of the upright bar 461, a middle box seat 463 is slidably connected to the right side of the barb piece 462, a column body 464 is movably connected to the right top of the middle box seat 463, a bent bar 465 is fixedly connected to the top of the column body 464, the bent bar 465 is linked with an auxiliary piece 466 to slide downwardly, an arc plate 468 is scraped on the inner wall of the pouring device 4, the auxiliary piece 466 is fixedly connected to the top of the bent bar 465, a friction bar 467 is movably mounted to the right lower side of the auxiliary piece 466, the arc plate 468 is fixedly mounted to the top of the friction bar 467, the arc plate 468 is designed in the shape of a circular arc, the arc plate 468 is made of stainless steel material, and adhesive is coated between the auxiliary piece 466 and the arc plate 468, and the middle box seat 463 is provided with a notch corresponding to the barb piece 462 in the inner cavity.

[0039] In use, first check the installation and safety protection of the application, then add the injection molding solution to be poured into the pouring hole diameter 6, the middle seat 42 is moved by the flow rate impact of the poured molding solution, the middle seat 42 is provided with a notch, the middle seat 42 is gradually deflected at the bottom, the middle seat 42 is shaken by the impact, so that the device has the basic conditions for automatically processing the injection rate.

[0040] When the injection rate needs to be adjusted, the middle seat 42 rotates to cause the thin bar 45 to twist, the thin bar 45 moves synchronously by acting on the upright bar 461, the upright bar 461 is inclined, the eccentric weight 47 swings, the eccentric weight 47 presents a lateral rotation trend, the eccentric weight 47 rotates and stirs the injection molding solution in the cylinder 43, the injection molding solution is flushed in the cylinder 43, the injection molding solution in the cylinder 43 is gradually and uniformly distributed, the center of gravity is adjusted, the falling rate is adjusted, and the device has the function of automatically reducing the injection molding solution, and the quality effect of processing and use is improved.

[0041] Due to the large pouring force, the impact force of the inner wall of the runner is strong, the rate control of injection molding is not easy, and the quality of the processed product is difficult to accurately process, the vertical strip 461 rotates to impact the barb piece 462, the barb piece 462 swings, the barb piece 462 contacts the middle box seat 463, the barb piece 462 is inserted into the column 464, the column 464 is impacted and shakes, the column 464 shakes, the bent strip 465 is affected by the column 464 and falls downward, the bent strip 465 is linked to the arc plate 468 and slides downward, the arc plate 468 scratches the inner wall of the pouring device 4, and the friction strip 467 facilitates the increase of the friction force of the auxiliary piece 466, so that the balance force between the arc plate 468 and the pouring device 4 is reinforced, the displacement force of the deflected impact of the barb piece 462 is adjusted, the shaking of the barb piece 462 when it is displaced outward is reduced, the rate of injection molding is reduced, and the stability of use is improved.

[0042] Embodiment 2

[0043] Please refer to Figure 1 、 Figure 2 、 Figure 8 、 Figure 9 , the present application provides a technical scheme: base 1, the top of the base 1 four corners is fixedly installed with supporting frame 2, the top of the supporting frame 2 is movably installed with adjusting device 3.

[0044] The adjusting device 3 comprises a center adjusting block 31, a connecting plate 32 is fixedly installed on the left side of the center adjusting block 31, a balance strip 33 is fixedly connected to the left side of the connecting plate 32, a through plate 34 is movably installed at the bottom of the connecting plate 32, the through plate 34 is recessed in the middle and protruded on both sides, the through plate 34 drives the balance hook plate 72 to move on both sides, the connecting plate 32 supports the center adjusting block 31 through the balance strip 33, the through plate 34 is fixedly installed with a collision body 35 on the left side and the right side of the bottom, a slot is reserved between the through plate 34 and the connecting plate 32, a groove is formed in the middle of the balance strip 33, adhesive is coated between the connecting plate 32 and the center adjusting block 31, and the thickness of the balance strip 33 is smaller than that of the connecting plate 32.

[0045] In use, first, check the installation and safety protection of the present application, then add the injection molding solution to be poured into the pouring hole diameter 6, the middle seat 42 is moved by the flow rate impact of the poured molding solution, the middle seat 42 is provided with a slot, the middle seat 42 is gradually deflected at the bottom, the middle seat 42 is shaken by the impact, and the device has the basic conditions for automatically processing the injection rate.

[0046] When the injection molding pouring force is heavy, the injection molding solution flows downward through the pipe at the bottom of the cylinder 43 and falls into the groove in the middle above the balance bar 33, and the through plate 34 receives the injection molding solution, the through plate 34 falls downward, the through plate 34 is recessed in the middle and protrudes on both sides, the through plate 34 drags the balance hook plate 72 to move on both sides, and the connecting plate 32 is supported by the balance bar 33 to the center adjusting block 31, thereby ensuring the balance performance of the connecting plate 32, realizing that the injection molding solution in the gate inlet is not easy to appear floating material, playing a high limit, gravity utilization, and structural stable auxiliary role, and having the function of automatic adjustment.

[0047] Embodiment 3

[0048] Please refer to Figures 1-12 , the present application provides a technical scheme: on the basis of embodiment one,

[0049] The pouring device 4 is fixedly installed at the top of the pouring hole diameter 6, and the pouring device 4 is movably installed in the inner cavity of the pouring hole diameter 6. The demolding device 7 is movably installed in the inner cavity of the pouring device 4. Through the setting of the demolding device 7, the equipment has the functions of automatic and rapid cooling, improves the purpose of use, and ensures the effect of treatment.

[0050] The demolding device 7 comprises a mold base 71, a balance hook plate 72 slidably connected to the right side inner cavity of the mold base 71, a limiting height seat 73 movably connected to the middle of the mold base 71, a cylinder 77 installed in the middle of the balance hook plate 72, a synchronous downward displacement of a sleeve disc 78 connected to the cylinder 77, a swing of the sleeve disc 78, a seat 76 fixedly connected to the left and right sides of the bottom of the mold base 71, a balance plate 75 fixedly connected to the upper inner bottom wall of the mold base 71, the balance plate 75 located on the inner side of the seat 76, a middle plate 74 movably connected to the top middle of the balance plate 75, the seat 76 is designed in a rectangular structure, and the number of the seat 76 is two, the balance hook plate 72 penetrates through the side of the mold base 71, and the included angle between the middle plate 74 and the demolding device 7 is designed to be ninety degrees.

[0051] In use, first, check the installation and safety protection of the present application, then add the injection molding solution required for pouring to the pouring hole diameter 6, the middle seat 42 is moved by the flow rate impact of the poured molding solution, the middle seat 42 is provided with a notch, the middle seat 42 is gradually deflected at the bottom, the middle seat 42 is shaken by the impact, and the equipment has the basic conditions of automatic processing of the injection molding rate.

[0052] When the demolding treatment is needed, the injection solution passes through the through plate 34 to the recess of the height limiting seat 73, the middle recess of the balance bar 33 is installed with the filter layer, the filter layer on the balance bar 33 filters the solution passing through, and is received through the through plate 34, the balance hook plate 72 on both sides of the through plate 34 is driven upward in linkage, the middle recess of the balance hook plate 72 is recessed and forms a vortex, the cylinder 77 is installed in the middle of the balance hook plate 72, the sleeve disc 78 is synchronously displaced downward in linkage with the cylinder 77, the sleeve disc 78 is deformed to swing, the sleeve disc 78 accelerates the internal air flow rate, and then the equipment has the functions of automatic and rapid cooling, the use purpose is improved, and the treatment effect is ensured.

[0053] Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art and the related fields without creative work should belong to the protection scope of the present application. The structures, devices and operation methods not specifically described and explained in the present application are implemented according to the conventional means in the art, without special description and limitation.

Claims

1. A seamless three-way pipe injection molding mold, specifically comprising: A base (1) is provided, wherein support frames (2) are fixedly mounted at the four corners of the top of the base (1), a mixing device (3) is movably mounted on the top of the support frame (2), a pouring device (4) is fixedly connected to the middle of the top of the support frame (2), a cover plate (5) is fixedly mounted on the top of the pouring device (4), a pouring aperture (6) is movably mounted in the middle of the top of the cover plate (5), and a demoulding device (7) is movably mounted in the middle of the bottom of the inner cavity of the pouring device (4), characterized in that: The pouring device (4) comprises: A storage box (41) is provided with a middle seat (42) movably installed in the middle of the top of the storage box (41), a cylinder (43) is slidably connected to the outer side of the bottom of the middle seat (42), and the middle seat (42) passes through the cover plate (5) and extends to the inner cavity of the cylinder (43), a thin strip (45) is fixedly connected to the axis of the bottom end of the middle seat (42), a speed regulating device (46) is fixedly connected to the lower right side of the outer edge of the thin strip (45), and a weight block (47) is fixedly connected to the left side of the bottom end of the speed regulating device (46).

2. The seamless tee pipe injection molding die according to claim 1, characterized in that: The thin strip (45) consists of two parts: a vertical rod and a circular disc surface. The thin strip (45) is in the shape of a circular rod and is made of stainless steel. The middle seat (42) is adapted to the size of the notch opened in the middle of the cover plate (5).

3. The seamless tee pipe injection molding die according to claim 1, characterized in that: The diameter of the middle seat (42) is larger than that of the thin strip (45), and the centers of the middle seat (42) and the thin strip (45) are on the same straight line. The thin strip (45) is connected to the eccentric weight block (47) through a speed regulating device (46).

4. The seamless tee pipe injection molding die according to claim 1, characterized in that: The speed regulating device (46) further comprises a vertical bar (461), the right side of the vertical bar (461) is slidably connected to a hook piece (462), the right outer side of the hook piece (462) is slidably connected to a middle box seat (463), the top right side of the middle box seat (463) is movably connected to a column (464), the top of the column (464) is fixedly connected to a bent bar (465), the top of the bent bar (465) is fixedly connected to an auxiliary piece (466), a friction bar (467) is movably installed on the lower right side of the auxiliary piece (466), and an arc plate (468) is fixedly installed on the top of the friction bar (467).

5. The seamless tee pipe injection molding die according to claim 4, characterized in that: The arc plate (468) is designed as an arc-shaped structure. The arc plate (468) is made of stainless steel, and adhesive is coated between the auxiliary part (466) and the arc plate (468). The inner cavity of the middle box seat (463) is provided with a notch corresponding to the hook part (462).

6. The seamless tee pipe injection molding die according to claim 1, characterized in that: The mixing device (3) comprises a central adjustment block (31), a connecting plate (32) is fixedly installed in the middle of the left side of the central adjustment block (31), a balancing bar (33) is fixedly connected to the middle of the left side of the connecting plate (32), a through plate (34) is movably installed in the middle of the bottom of the connecting plate (32), and a collision body (35) is fixedly installed on the left and right sides of the bottom of the through plate (34).

7. The seamless tee pipe injection molding die according to claim 6, characterized in that: A matching notch is reserved between the through plate (34) and the connecting plate (32), a groove is provided in the middle of the balancing bar (33), and adhesive is coated between the connecting plate (32) and the central adjustment block (31), and the thickness of the balancing bar (33) is thinner than that of the connecting plate (32).

8. The seamless tee pipe injection molding die according to claim 1, characterized in that: The demoulding device (7) comprises a mold base (71), a balancing hook plate (72) is slidably connected to the inner cavity on the right side of the mold base (71), a limited height seat (73) is movably connected in the middle of the mold base (71), a connecting seat (76) is fixedly connected to the left and right sides of the bottom of the mold base (71), a balancing strip (75) is fixedly connected above the inner bottom wall of the mold base (71), the balancing strip (75) is located on the inner side of the connecting seat (76), a middle plate (74) is movably connected to the top middle of the balancing strip (75), a cylinder (77) is rotatably connected in the middle of the bottom wall of the mold base (71), and a sleeve disc (78) is movably mounted on the outer surface of the cylinder (77).

9. The seamless tee pipe injection molding die according to claim 8, characterized in that: The connecting seat (76) is designed as a rectangular structure, and there are two connecting seats (76). The balancing hook plate (72) passes through the side of the mold base (71), and the angle between the middle plate (74) and the demoulding device (7) is designed to be ninety degrees.

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