Hot pressing device for sealing ring machining
By introducing positioning and anti-accidental contact devices into the hot pressing device, the problem of slow heating speed caused by mold position deviation is solved, thereby improving the hot pressing efficiency and operational safety of the sealing ring.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-10
- Publication Date
- 2026-04-10
AI Technical Summary
In existing hot pressing equipment for processing sealing rings, mold position misalignment leads to slow local heating speed, affecting the efficiency of hot pressing forming of sealing rings.
A thermoforming device including a positioning device and an anti-accidental touch device was designed. The positioning device achieves rapid positioning of the mold through a rectangular groove, a bidirectional screw, and a screw hole rod. The anti-accidental touch device prevents accidental touch of the start/stop button through a rectangular frame and a protective plate.
It improves the positioning efficiency and placement stability of the mold, reduces the problem of slow local heating speed, improves the hot pressing efficiency of the sealing ring, and enhances operational safety.
Smart Images

Figure CN224103545U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to hot pressing equipment technical field especially a hot pressing device for sealing ring processing. BACKGROUND
[0002] In different industries, sealing rings have a large number of applications, and silicone sealing rings are widely used in some catering utensils and other daily utensils due to their good sealing, heat resistance, non-toxicity, non-odor, and long service life without generating toxic substances during heating. In the production process of silicone sealing rings, the silicone strip needs to be adhered into a ring shape first, and then the initially formed sealing ring is further hot-pressed by using a hot-pressing equipment to achieve firm forming effect.
[0003] The existing hot-pressing equipment for sealing ring processing adopts the method of adhering silicone strips into a ring shape, then placing them in the corresponding mold, and then placing the mold together with the silicone strip on the lower pressing plate of the machine body, while starting the hydraulic rod to drive the upper pressing plate to move and press the mold, and at the same time, the upper pressing plate converts electrical energy into heat energy and transmits heat to the mold to heat the silicone strip, so that the sealing ring material becomes soft, increases its plasticity and adhesion, and the two ends of the silicone strip are tightly bonded and in contact with the inner wall of the mold cavity, thereby forming the required sealing ring shape and size.
[0004] However, due to the possible position deviation of personnel when placing the mold on the lower pressing plate, the part of the mold is away from the central heating area of the upper pressing plate, causing the local heating speed of the mold to be slow, which affects the hot-pressing forming efficiency of the sealing ring. INVENTION CONTENTS
[0005] The technical problem to be solved by the utility model is that due to the possible position deviation of personnel when placing the mold on the lower pressing plate, the part of the mold is away from the central heating area of the upper pressing plate, causing the local heating speed of the mold to be slow, which affects the hot-pressing forming efficiency of the sealing ring.
[0006] The technical solution adopted by the utility model to solve the technical problem is a hot-pressing device for sealing ring processing, including a machine body, a start-stop button is arranged on one side of the machine body, a hydraulic rod is arranged on one side of the machine body, an upper pressing plate is arranged at the output end of the hydraulic rod, a lower pressing plate is arranged on one side of the machine body, a positioning device for fixing the mold and making it quickly reach the specified position is arranged on one side of the lower pressing plate, and an anti-misoperation device is arranged on one side of the machine body close to the start-stop button to prevent personnel from accidentally starting the start-stop button.
[0007] The effect achieved by the above components is that the silica gel strip is first adhered into a ring, then placed in the corresponding mold, and then the mold is placed on the lower pressing plate of the machine body together with the silica gel strip, and at the same time the hydraulic rod is started to drive the upper pressing plate to move and press the mold, and at the same time the upper pressing plate converts electrical energy into heat energy and transmits heat to the mold to heat the silica gel strip, so that the sealing ring material becomes soft, increases its plasticity and adhesion, and the two ends of the silica gel strip are tightly adhered and in contact with the inner wall of the mold cavity, thereby forming the required sealing ring shape and size.
[0008] Preferably, the positioning device comprises a rectangular groove opened on one side of the lower pressing plate, the inner wall of the rectangular groove is rotatably connected with a bidirectional screw rod, the surface of the bidirectional screw rod is oppositely symmetrical in screw shape, and the surface of the bidirectional screw rod is symmetrically screw-connected with two screw hole rods, and one side of each of the two screw hole rods is fixedly connected with a hole rod.
[0009] The effect achieved by the above components is that by setting the positioning device, the mold with the silica gel strip is first placed inside the rectangular groove, so that the mold is located between the two hole rods, at this time the bidirectional screw rod is manually rotated to drive the two screw hole rods to move oppositely, so that the two screw hole rods drive the two hole rods to move oppositely, and when the two hole rods oppositely move to simultaneously press the surface of the mold, the mold is quickly positioned to correspond to the center heating area of the upper pressing plate, reducing the position deviation of the mold when placed on the lower pressing plate, causing part of the mold to be away from the center heating area of the upper pressing plate, resulting in slow heating speed of the local position of the mold, affecting the heat pressing forming efficiency of the sealing ring, and improving the positioning efficiency and placement stability of the mold.
[0010] Preferably, one end of the bidirectional screw rod is fixedly connected with a knob, and the surface of the knob is fixedly connected with a plurality of anti-skid strips.
[0011] The effect achieved by the above components is that by setting the knob, the knob can increase the contact area of the bidirectional screw rod, so that the person can conveniently rotate the bidirectional screw rod by manually rotating the knob.
[0012] Preferably, one side of each of the two hole rods is provided with a plurality of circular holes, the inside of each of the plurality of circular holes is provided with a plug, the inner wall of each of the two hole rods is slidably connected with a circular hole block, the inner wall of each of the two plug is slidably connected with the inner wall of each of the two circular hole blocks, one side of each of the two circular hole blocks is fixedly connected with an auxiliary plate, and the surface of the auxiliary plate is larger than the inner wall of the hole rod.
[0013] The effect achieved by the above-mentioned components is that: by setting the auxiliary plate, first manually moving the auxiliary plate, so that the auxiliary plate drives the circular hole block to move inside the hole plate, when the auxiliary plate moves to a position suitable for the size of the mold surface, the inner wall of the circular hole block coincides with the inner wall of any circular hole, at this time, manually moving the latch to the position of inserting into the circular hole and the inside of the circular hole block to fix the position of the circular hole block and the auxiliary plate, when the hole rod extrudes the mold, the auxiliary plate is attached to the surface of the mold and intercepts the other two sides of the mold, further improving the limiting effect of the mold.
[0014] Preferably, one side of the auxiliary plate is fixedly connected with a rubber pad, and the rubber pad completely covers the surface of the auxiliary plate.
[0015] The effect achieved by the above-mentioned components is that: by setting the rubber pad, the rubber pad can fill the gap between the auxiliary plate and the mold surface, improving the fit between the mold and the auxiliary plate.
[0016] Preferably, the inner wall of the rectangular groove is fixedly connected with two positioning rods in a symmetrical manner, and the two screw hole rods are located between the two positioning rods.
[0017] The effect achieved by the above-mentioned components is that: by setting the positioning rod, the positioning rod can intercept and limit the screw hole rod, reducing the shaking or rotating of the screw hole rod when the bidirectional screw rod moves.
[0018] Preferably, the anti-mis-touch device comprises a rectangular frame, the rectangular frame is fixedly connected with one side of the machine body close to the start-stop button, the inner wall of the rectangular frame is slidably connected with a protective plate, one side of the protective plate is fixedly connected with a circular rod, the side of the rectangular frame away from the protective plate is provided with a circular through hole, and the surface of the circular rod is slidably connected with the inner wall of the circular through hole.
[0019] The effect achieved by the above-mentioned components is that: by setting the anti-mis-touch device, first manually moving the protective plate, so that the protective plate moves left and right inside the rectangular frame, the protective plate drives the circular rod to move, when the protective plate moves to a position completely entering the inside of the rectangular frame, the circular rod is inserted into the inside of the circular through hole, so that the protective plate is located inside the rectangular frame and completely wraps the start-stop button together, and at the same time, the protective plate intercepts the objects outside, achieving the anti-mis-touch processing of the start-stop button, reducing the accidental mis-touch of the start-stop button by personnel during operation, causing the upper pressing plate to be accidentally started and accidentally injuring the hands of personnel, improving the operation safety of personnel.
[0020] Preferably, one side of the rectangular frame is fixedly connected with a support plate, and the support plate is fixedly connected with the machine body.
[0021] The effect achieved by the above-mentioned components is that: by setting the support plate, the support plate can increase the connection strength between the rectangular frame and the machine body, reducing the separation of the rectangular frame and the machine body.
[0022] The utility model discloses the beneficial effect is:
[0023] Through setting the positioning device, when the mould is fixed on the lower pressing plate, can correspond with the central heating area position of upper pressing plate, reduced personnel when the mould is placed on the lower pressing plate and appears position deviation, leads to the partial position of mould to be far away from the central heating area of upper pressing plate, cause the local position heating speed of mould to be slow, influence the heat pressure forming efficiency of sealing ring, improved the positioning efficiency and the stability of the mould of the situation of placing. BRIEF DESCRIPTION OF DRAWINGS
[0024] The utility model further illustrates in combination with the drawings and examples.
[0025] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;
[0026] Figure 2 It is the three-dimensional structure schematic diagram of the utility model Figure 1 The partial three-dimensional structure schematic diagram of the utility model;
[0027] Figure 3 It is the three-dimensional structure schematic diagram of the utility model hole rod;
[0028] Figure 4 It is the three-dimensional structure schematic diagram of the utility model rectangular frame.
[0029] Legend: 1, machine body;2, start-stop button;3, hydraulic rod;4, upper pressing plate;5, lower pressing plate;6, positioning device;61, rectangular groove;62, bidirectional screw;63, twist block;64, screw hole rod;65, hole rod;66, round hole;67, bolt;68, round hole block;69, auxiliary plate;610, rubber pad;611, positioning rod;7, anti-misoperation device;71, rectangular frame;72, protection plate;73, round through hole;74, round rod;75, support plate. DETAILED DESCRIPTION
[0030] The utility model will be further explained in combination with the drawings. These drawings are all simplified schematic diagrams, and only illustrate the basic structure of the utility model in a schematic manner, so they only show the structure related to the utility model.
[0031] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected;It can be mechanically connected, or it can be electrically connected;It can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.
[0032] Figures 1-4 The sealing ring processing hot pressing device shown is characterized in that the sealing ring processing hot pressing device comprises a machine body 1, a start-stop button 2 is arranged on one side of the machine body 1, a hydraulic rod 3 is arranged on one side of the machine body 1, an upper pressing plate 4 is arranged at the output end of the hydraulic rod 3, a lower pressing plate 5 is arranged on one side of the machine body 1, a positioning device 6 for fixing the mold and making it quickly reach the specified position is arranged on one side of the lower pressing plate 5, an anti-misoperation device 7 for preventing personnel from accidentally starting the start-stop button 2 is arranged on one side of the machine body 1 close to the start-stop button 2, first, the silica gel strip is adhered into a ring, and then the silica gel strip is placed in the corresponding mold, and then the mold is placed on the lower pressing plate 5 of the machine body 1 together with the silica gel strip, and at the same time, the hydraulic rod 3 is started to drive the upper pressing plate 4 to move to press the mold, and at the same time, the upper pressing plate 4 converts electric energy into heat energy and transmits the heat to the mold to heat the silica gel strip, so that the sealing ring material becomes soft, the plasticity and adhesion of the sealing ring material are increased, the two ends of the silica gel strip are tightly adhered and in contact with the inner wall of the mold cavity, and thus the required sealing ring shape and size are formed.
[0033] Figure 2 And Figure 3 The positioning device 6 shown comprises a rectangular groove 61 arranged on one side of the lower pressing plate 5, a bidirectional screw rod 62 is rotatably connected to the inner wall of the rectangular groove 61, the surface screw threads of the bidirectional screw rod 62 are oppositely symmetrical, two screw hole rods 64 are symmetrically screw-connected to the surface of the bidirectional screw rod 62, and a hole rod 65 is fixedly connected to one side of each of the two screw hole rods 64. By arranging the positioning device 6, first, the mold with the silica gel strip is placed in the rectangular groove 61, so that the mold is located between the two hole rods 65, at this time, the bidirectional screw rod 62 is manually rotated to drive the two screw hole rods 64 to move oppositely, so that the two screw hole rods 64 drive the two hole rods 65 to move oppositely, when the two hole rods 65 oppositely move to simultaneously press the surface of the mold, the mold is quickly positioned, and the mold is quickly corresponded to the center heating area of the upper pressing plate 4, which reduces the position deviation of the mold when the mold is placed on the lower pressing plate 5, the part of the mold is away from the center heating area of the upper pressing plate 4, the local position of the mold is heated slowly, and the hot pressing forming efficiency of the sealing ring is affected, and the positioning efficiency and placement stability of the mold are improved.
[0034] Figure 2 And Figure 3One end of the bidirectional screw 62 is fixedly connected with a twisting block 63, the surface of the twisting block 63 is fixedly connected with a plurality of anti-skid strips, by setting the twisting block 63, the twisting block 63 can increase the contact area of the bidirectional screw 62, so that the personnel can conveniently rotate the bidirectional screw 62 by manually rotating the twisting block 63, a plurality of circular holes 66 are formed in one side of the two hole rods 65, two bolts 67 are arranged in the plurality of circular holes 66, the inner walls of the two hole rods 65 are slidably connected with circular hole blocks 68, the surfaces of the two bolts 67 are slidably connected with the inner walls of the two circular hole blocks 68, the one sides of the two circular hole blocks 68 are fixedly connected with auxiliary plates 69, the surface of the auxiliary plate 69 is larger than the inner wall of the hole rod 65, by setting the auxiliary plate 69, first manually move the auxiliary plate 69, so that the auxiliary plate 69 drives the circular hole block 68 to move along the inside of the hole plate, when the auxiliary plate 69 moves to a position suitable for the size of the mold surface, the inner wall of the circular hole block 68 coincides with the inner wall of any circular hole 66, at this time, manually move the bolt 67 to the position of being inserted into the circular hole 66 and the circular hole block 68 to fix the position of the circular hole block 68 and the auxiliary plate 69, when the hole rod 65 extrudes the mold, the auxiliary plate 69 is attached to the surface of the mold and intercepts the other two sides of the mold, further improving the positioning effect of the mold.
[0035] Figure 2 And Figure 3 One side of the auxiliary plate 69 is fixedly connected with a rubber pad 610, the rubber pad 610 completely covers the surface of the auxiliary plate 69, by setting the rubber pad 610, the rubber pad 610 can fill the gap between the auxiliary plate 69 and the mold surface, improve the fit between the mold and the auxiliary plate 69, the inner wall of the rectangular groove 61 is fixedly connected with two positioning rods 611, the two threaded hole rods 64 are located between the two positioning rods 611, by setting the positioning rod 611, the positioning rod 611 can intercept and position the threaded hole rod 64, reducing the shaking or rotating of the threaded hole rod 64 when the bidirectional screw 62 drives the threaded hole rod 64 to move.
[0036] Figure 4The shown anti-mis-touch device 7 includes a rectangular frame 71 fixedly connected to the machine body 1 near the side of the start-stop button 2, the inner wall of the rectangular frame 71 is slidingly connected with a protective plate 72, one side of the protective plate 72 is fixedly connected with a round rod 74, the side of the rectangular frame 71 away from the protective plate 72 is provided with a circular through hole 73, the surface of the round rod 74 is slidingly inserted with the inner wall of the circular through hole 73, by setting the anti-mis-touch device 7, first manually moving the protective plate 72, so that the protective plate 72 moves left and right inside the rectangular frame 71, so that the protective plate 72 drives the round rod 74 to move, when the protective plate 72 moves to the position of completely entering the inside of the rectangular frame 71, the round rod 74 is inserted into the inside of the circular through hole 73, so that the protective plate 72 is located inside the rectangular frame 71 and cooperates with the rectangular frame 71 to completely wrap the start-stop button 2, and at the same time intercepts the objects from the outside, achieving the anti-mis-touch processing of the start-stop button 2, reducing the accidental mis-touch of the start-stop button 2 when the personnel operates, causing the upper pressing plate 4 to accidentally start and accidentally injure the hands of the personnel, improving the operation safety of the personnel.
[0037] Figure 4 The side of the shown rectangular frame 71 is fixedly connected with a support plate 75, the support plate 75 is fixedly connected with the machine body 1, by setting the support plate 75, the support plate 75 can increase the connection strength between the rectangular frame 71 and the machine body 1, reducing the separation of the rectangular frame 71 and the machine body 1.
[0038] Working principle: first, the silica gel strip is adhered into a ring, then it is placed into the corresponding mold, then the mold is placed together with the silica gel strip into the rectangular groove 61, so that the mold is located between the two hole rods 65, at this time the knob 63 is manually rotated, so that the knob 63 drives the bidirectional screw rod 62 to rotate, so that the bidirectional screw rod 62 drives the two screw hole rods 64 to move oppositely, so that the two screw hole rods 64 drive the two hole rods 65 to move oppositely, when the two hole rods 65 oppositely move to the position of simultaneously extruding the surface of the mold, the fast positioning of the mold is achieved, so that it is quickly corresponding to the center heating area of the upper pressing plate 4, at this time the hydraulic rod 3 is started to drive the upper pressing plate 4 to move to press the mold, at the same time the upper pressing plate 4 converts electrical energy into heat energy and transmits heat to the mold to heat the silica gel strip, so that the sealing ring material becomes soft, increasing its plasticity and adhesion, so that the two ends of the silica gel strip are tightly adhered and contact with the inner wall of the mold cavity, thereby forming the required sealing ring shape and size.
[0039] At the same time, the auxiliary plate 69 is manually moved, so that the auxiliary plate 69 drives the circular hole block 68 to move inside the hole plate, when the auxiliary plate 69 is moved to a position suitable for the size of the mold surface, the inner wall of the circular hole block 68 coincides with the inner wall of any circular hole 66, at this time, the plug 67 is manually moved to a position inserted into the circular hole 66 and the inside of the circular hole block 68, so as to fix the position of the circular hole block 68 and the auxiliary plate 69, when the hole rod 65 extrudes the mold, the auxiliary plate 69 is attached to the mold surface and intercepts the other two sides of the mold, further improving the limiting effect of the mold.
[0040] First, the protection plate 72 is manually moved, so that the protection plate 72 moves left and right inside the rectangular frame 71, so that the protection plate 72 drives the circular rod 74 to move, when the protection plate 72 is moved to a position completely entering the inside of the rectangular frame 71, the circular rod 74 is inserted into the inside of the circular through hole 73, so that the protection plate 72 is located inside the rectangular frame 71 and completely wraps the start-stop button 2 together with the rectangular frame 71, and intercepts the objects from the outside, achieving the anti-mis-touch processing of the start-stop button 2.
[0041] With the above ideal embodiment of the present application as the inspiration, through the above description, relevant personnel can make various changes and modifications without deviating from the technical idea of the present application. The technical scope of the present application is not limited to the content in the specification, and must be determined according to the scope of the claims.
Claims
1. A hot press device for processing a sealing ring, comprising a machine body (1), characterized in that: One side of the machine body (1) is provided with a start-stop button (2), one side of the machine body (1) is provided with a hydraulic rod (3), the output end of the hydraulic rod (3) is provided with an upper pressing plate (4), one side of the machine body (1) is provided with a lower pressing plate (5), one side of the lower pressing plate (5) is provided with a positioning device (6) for fixing the mold and quickly reaching the specified position, and one side of the machine body (1) close to the start-stop button (2) is provided with an anti-misoperation device (7) for preventing accidental start of the start-stop button (2).
2. The hot-pressing apparatus for processing a sealing ring according to claim 1, wherein: The positioning device (6) comprises a rectangular groove (61) formed in one side of the lower pressing plate (5), a double screw rod (62) rotatably connected to the inner wall of the rectangular groove (61), the surface of the double screw rod (62) is oppositely symmetrical in screw shape, and two screw hole rods (64) are symmetrically connected to the surface of the double screw rod (62). One side of each of the two screw hole rods (64) is fixedly connected with a hole rod (65).
3. The hot press device for processing a sealing ring according to claim 2, characterized in that: One end of the double screw rod (62) is fixedly connected with a twisting block (63), and the surface of the twisting block (63) is fixedly connected with a plurality of anti-skid strips.
4. The hot-pressing apparatus for processing a sealing ring according to claim 2, wherein: One side of each of the two hole rods (65) is provided with a plurality of circular holes (66), and the interiors of the plurality of circular holes (66) are provided with two latches (67). The inner walls of the two hole rods (65) are each slidably connected with a circular hole block (68), the surfaces of the two latches (67) are respectively slidably connected with the inner walls of the two circular hole blocks (68), one side of each of the two circular hole blocks (68) is fixedly connected with an auxiliary plate (69), and the surface of the auxiliary plate (69) is greater than the inner wall of the hole rod (65).
5. The hot-pressing apparatus for processing a sealing ring according to claim 4, wherein: One side of the auxiliary plate (69) is fixedly connected with a rubber pad (610), and the rubber pad (610) completely covers the surface of the auxiliary plate (69).
6. The hot-pressing apparatus for processing a sealing ring according to claim 5, wherein: The inner wall of the rectangular groove (61) is fixedly connected with two positioning rods (611) symmetrically, and the two screw hole rods (64) are located between the two positioning rods (611).
7. The hot press device for processing a sealing ring according to claim 1, characterized in that: The anti-misoperation device (7) comprises a rectangular frame (71), the rectangular frame (71) is fixedly connected to one side of the machine body (1) close to the start-stop button (2), the inner wall of the rectangular frame (71) is slidably connected with a protective plate (72), one side of the protective plate (72) is fixedly connected with a circular rod (74), one side of the rectangular frame (71) away from the protective plate (72) is provided with a circular through hole (73), and the surface of the circular rod (74) is slidably connected with the inner wall of the circular through hole (73).
8. The hot-pressing apparatus for processing a sealing ring according to claim 7, wherein: One side of the rectangular frame (71) is fixedly connected with a supporting plate (75), and the supporting plate (75) is fixedly connected with the machine body (1).