Rubber cushion block press fitting equipment

Abstract

The present application relates to the technical fields of hydraulic or pneumatic assembly equipment, and discloses a rubber buffer block press-fitting equipment, which comprises a rack, a buffer block tool mounted on the rack through a top lifting mechanism, the buffer block tool is provided with a containing groove for containing the buffer block and opening downward, the containing groove is provided with a suction part for suctioning the buffer block by using negative pressure, the top of the buffer block tool is provided with a detection column, when the suction part suctions the buffer block into the containing groove, the buffer block extrudes the detection column and moves the detection column upward, the equipment further comprises a detection piece installed on the top lifting mechanism, the detection piece is used for detecting the displacement of the upward movement of the detection column, the detection column and the detection piece are each provided with at least two groups, and the at least two groups of detection columns and detection pieces are used for detecting whether the buffer block is inclined in the vertical direction in the containing groove. The present application can guarantee that the buffer block is matched with the skin bag or press-fitted in place, and increase the product qualification rate.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of hydraulic or pneumatic assembly equipment, and particularly relates to a rubber buffer block press-fitting equipment. BACKGROUND

[0002] After trimming the flash, the rubber bladder starts to assemble shock-absorbing, sealing, inflation and other functional accessories. The first process is to assemble the rubber buffer block, which is assembled in the innermost layer of the closed end of the bladder (as shown in Figure 1 ).

[0003] The existing process is: a tooling frame with a cylinder, the front end of the cylinder piston rod is connected with a fixed tooling of the rubber buffer block, and the bottom of the tooling frame is provided with a tooling for placing the product (bladder) (as shown in Figure 2 ). The buffer block is placed in the tooling (different specifications of the buffer block share one tooling, and the ball head adjusting plunger screw outside the circumference of the tooling is adjusted to lock the buffer block), and then the product is placed on the bottom tooling (the center is placed by experience), the cylinder is started, the buffer block is lowered, and is press-fitted into the bottom of the bladder. However, the following problems often occur: the buffer block cannot be assembled in place, cannot be matched with the bladder, or cannot be press-fitted, or the entire product is pulled out of the lower tooling and falls off after press-fitting, resulting in unqualified problems in quality inspection at the customer's place after delivery. At the same time, the changeover and debugging time of different buffer blocks is 20 minutes, which affects the production efficiency. SUMMARY

[0004] To solve the technical problems in the background art, the present application provides a rubber buffer block press-fitting equipment.

[0005] The rubber buffer block press-fitting equipment provided by the present application is used for press-fitting the buffer block into the bladder and comprises a rack, wherein the rack is provided with a buffer block tooling through a top lifting mechanism;

[0006] The buffer block tooling has a containing groove for containing the buffer block and opening downward, and the containing groove is provided with a suction part for suctioning the buffer block by negative pressure;

[0007] The top of the buffer block tooling is provided with a detection column, the detection column has a part extending into the containing groove, and the detection column has a part located above the buffer block tooling; when the suction part suctions the buffer block into the containing groove, the buffer block extrudes the detection column and moves the detection column upward; the detection column is further provided with a detection part installed on the top lifting mechanism, and the detection part is used for detecting the displacement of the upward movement of the detection column; specifically, the detection part is a laser displacement sensor;

[0008] The detection column and the detection piece are each provided with at least two groups, one group of the detection column and one group of the detection piece correspond to each other, and at least two groups of the detection column and at least two groups of the detection piece are used for detecting whether the buffer block is inclined in the vertical direction in the accommodating groove.

[0009] When actually operated, the adsorption part can be an existing suction cup, the adsorption part can be an existing suction cup with a sponge (i.e., a sponge suction cup), the suction cup is connected with a vacuum air inlet joint, the vacuum air inlet joint is connected with an existing vacuum generator or other air extraction equipment, when it is needed to place the buffer block, the buffer block is pushed into the accommodating groove, the adsorption part adsorbs the buffer block, and the buffer block pushes up the detection column, the displacement of each detection column is detected through the detection piece, if the displacements of at least two detection columns are not equal, the buffer block is not horizontal in the accommodating groove (i.e., the vertical direction is offset), and then the relevant staff member adjusts correspondingly.

[0010] As a further optimized scheme of the present application, the buffer block tool is provided with a plurality of openings in the outer side and in communication with the accommodating groove, and a limiting part is formed between any two adjacent openings, which further facilitates the observation and adjustment of the position of the buffer block.

[0011] As a further optimized scheme of the present application, the buffer block tool is provided with a plurality of adjusting plungers on the outer side, the adjusting plungers have a part extending into the accommodating groove, and the part of the adjusting plungers extending into the accommodating groove is in contact with the outer side wall of the buffer block, the adjusting plungers are distributed along the circumference of the accommodating groove, which further facilitates the positioning of the buffer block.

[0012] As a further optimized scheme of the present application, the adjusting plunger and the buffer block are in point contact, which further reduces the friction between the adjusting plunger and the buffer block, and specifically, the end opposite to the adjusting plunger is hemispherical.

[0013] As a further optimized scheme of the present application, the detection column is located at the outer periphery of the adsorption part, which further increases the detection precision.

[0014] Specifically, the detection column is an elastic column pin.

[0015] As a further optimized scheme of the present application, the detection column comprises a sleeve mounted on a buffer block tool, a detection through hole is opened on the top of the buffer block tool, the detection through hole communicates with the middle hole of the sleeve of the buffer block tool and forms a stepped hole, the aperture of the detection through hole is smaller than the aperture of the middle hole of the sleeve, the detection through hole and the sleeve form a first sub-step surface, the first sub-step surface is located on the buffer block tool, the detection column further comprises a sliding column, the sliding column comprises an upper column body and a lower column body which are integrally formed, of course, the upper column body and the lower column body can be fixed by welding, the outer diameter of the upper column body is larger than the outer diameter of the lower column body, a second sub-step surface is formed between the upper column body and the lower column body, and an elastic member is arranged between the second sub-step surface and the first sub-step surface. The elastic member can be a spring.

[0016] As a further optimized scheme of the present application, when the sliding column is in a stress-free state, the elastic member is in a compressed state under the action of gravity of the upper column body, when the buffer block is adsorbed into the containing groove, the bottom of the lower column body slides into the detection through hole, and the elastic member is in an elongated state.

[0017] As a further optimized scheme of the present application, the contact between the bottom of the lower column body and the buffer block is point contact, and the bottom surface of the lower column body is a downward convex arc surface.

[0018] As a further optimized scheme of the present application, a connecting seat is further included, the connecting seat is mounted on the lifting end of the top lifting mechanism, the buffer block tool is detachably mounted on the connecting seat, and the detection member is mounted on the outer side of the connecting seat, so that users can replace different buffer block tools according to actual buffer block requirements.

[0019] As a further optimized scheme of the present application, the top of the detection column has an extension disc, the outer diameter of the extension disc is larger than the outer diameter of the detection column, and the detection member is opposite to the extension disc, so that the detection of the position of the detection column on different buffer block tools can be realized without changing the installation position of the detection member.

[0020] As a further optimized scheme of the present application, a connecting hole is opened on the connecting seat, a connecting column is arranged on the top of the buffer block tool, the connecting column matches the connecting hole, the axis of the connecting column coincides with the axis of the containing groove, and preferably, the connecting column is fixed in the connecting hole by locking screws.

[0021] As a further optimized scheme of the present application, a bottom lifting mechanism is further included, a lifting end of the bottom lifting mechanism is provided with a bladder positioning tool for positioning the bladder, the bladder positioning tool is opposite to the buffer block tool and is located below the buffer block tool, the bottom lifting mechanism can be a cylinder or an electric cylinder in the prior art, which can drive the components to lift in the vertical direction, and in the embodiment, the bottom lifting mechanism is a cylinder, and the bladder positioning tool is detachably installed on the bottom lifting mechanism.

[0022] In the present application, the rubber buffer block press-fitting equipment is provided with an adsorption part for adsorbing and a detection piece for detecting whether the assembly is in place, so that the rubber buffer block and the bladder are matched or press-fitted in place, and the yield is increased.

[0023] Additional aspects and advantages of the present application will be in part apparent and in part pointed out hereinafter. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 Structure schematic view of the bladder and the buffer block after assembly;

[0025] Figure 2 Device for press-fitting the buffer block in the prior art;

[0026] Figure 3 Structure schematic view of the present application;

[0027] Figure 4 Structure schematic view of the buffer block tool of the present application installed on the mounting seat;

[0028] Figure 5 Structure schematic view of the buffer block tool of the present application;

[0029] Figure 6 Sectional view of the detection column of the present application;

[0030] In the figure: 1, rack; 2, top lifting mechanism; 3, buffer block tool; 30, containing groove; 31, opening; 4, detection column; 40, sleeve; 41, upper column body; 42, lower column body; 43, elastic piece; 44, extension disc; 5, detection piece; 6, adsorption part; 7, adjusting plunger; 8, connecting seat; 9, bladder positioning tool; 10, bottom lifting mechanism. DETAILED DESCRIPTION

[0031] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar symbols represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation on the present application.

[0032] like Figures 3-5 The illustrated rubber buffer block pressing equipment is used to press buffer blocks into a bladder. It includes a frame 1, on which a buffer block fixture 3 is mounted via a top lifting mechanism 2. In this embodiment, the top lifting mechanism 2 is a servo press driven by an AC servo motor, outputting force through a high-precision ball screw. It incorporates a high-precision pressure sensor and encoder to accurately measure parameters such as speed, pressure, and position. Software is used to precisely control the pressing pressure, stop position, pressing speed, and holding time throughout the entire process to achieve intelligent control and management. Of course, in other embodiments, the top lifting mechanism 2 can be a cylinder, electric cylinder, or other structure that can drive components to reciprocate vertically.

[0033] The buffer block fixture 3 has a receiving groove 30 for accommodating the buffer block with the opening 31 facing downward. The receiving groove 30 is provided with an adsorption part 6 that uses negative pressure to adsorb the buffer block.

[0034] The top of the buffer block fixture 3 is provided with a detection column 4. The detection column 4 has a portion extending into the receiving groove 30. The detection column 4 has a portion located above the buffer block fixture 3. When the adsorption part 6 adsorbs the buffer block into the receiving groove 30, the buffer block squeezes the detection column 4 and causes the detection column 4 to move upward. It also includes a detection element 5 installed on the top lifting mechanism 2. The detection element 5 is used to detect the displacement of the upward movement of the detection column 4. Specifically, the detection element 5 is a laser displacement sensor.

[0035] Both the detection column 4 and the detection element 5 are provided in at least two sets, with one set of detection column 4 and one set of detection element 5 corresponding to each other. At least two sets of detection column 4 and detection element 5 are used to detect whether the buffer block is tilted in the vertical direction in the receiving groove 30.

[0036] In actual operation, the adsorption part 6 can be an existing suction cup. In this embodiment, the adsorption part 6 is a suction cup with a sponge. The suction cup is connected to a vacuum inlet connector, which is connected to an existing vacuum generator or other pumping equipment. When a buffer block needs to be placed, the buffer block is pushed into the receiving groove 30, the adsorption part 6 picks up the buffer block, and the buffer block pushes upward against the detection column 4. The detection element 5 is used to detect the displacement of each detection column 4. If the displacements of at least two detection columns 4 are not equal, the buffer block is not horizontal in the receiving groove 30 (i.e., it has shifted in the vertical direction), and then the relevant personnel make corresponding adjustments.

[0037] In some preferred embodiments, the outer side of the buffer block fixture 3 has a plurality of openings 31 communicating with the receiving groove 30, and a limiting part is formed between any two adjacent openings 31, which further facilitates observation and adjustment of the position of the buffer block.

[0038] In some embodiments, preferably, the outer side of the buffer block tooling 3 is provided with adjusting plungers 7, the adjusting plungers 7 have portions extending into the accommodating groove 30, and the portions of the adjusting plungers 7 extending into the accommodating groove 30 are in contact with the outer side wall of the buffer block, the adjusting plungers 7 are provided in plurality, and the plurality of adjusting plungers 7 are distributed along the circumference of the accommodating groove 30, further facilitating the positioning of the buffer block.

[0039] Preferably, the adjusting plungers 7 are in point contact with the buffer block, further reducing the friction between the adjusting plungers 7 and the buffer block, and in particular, the end of the adjusting plunger 7 opposite to the buffer block is hemispherical.

[0040] Preferably, the detection column 4 is located at the outer periphery of the adsorption part 6, further increasing the detection accuracy.

[0041] In particular, the detection column 4 is an elastic column pin.

[0042] FIG Figure 6 In some embodiments, in particular, the detection column 4 includes a sleeve 40 mounted on the buffer block tooling 3, the top of the buffer block tooling 3 is provided with a detection through hole, the detection through hole is in communication with the middle hole of the sleeve 40 and forms a stepped hole, the hole diameter of the detection through hole is smaller than the hole diameter of the middle hole of the sleeve 40, the detection through hole and the sleeve 40 form a first sub-step surface, and the first sub-step surface is located on the buffer block tooling 3, the detection column 4 further includes a sliding column, the sliding column includes an upper column body 41 and a lower column body 42, the outer diameter of the upper column body 41 is larger than the outer diameter of the lower column body 42, a second sub-step surface is formed between the upper column body 41 and the lower column body 42, and an elastic member 43 is arranged between the second sub-step surface and the first sub-step surface.

[0043] Preferably, when the sliding column is in a force-free state, the elastic member 43 is in a compressed state under the action of the gravity of the upper column body 41, and when the buffer block is adsorbed into the accommodating groove 30, the bottom of the lower column body 42 slides into the detection through hole, and the elastic member 43 is in an elongated state.

[0044] Preferably, the contact between the bottom of the lower column body 42 and the buffer block is point contact, and the bottom surface of the lower column body 42 is a downward convex arc surface.

[0045] Preferably, the connecting seat 8 is further included, the connecting seat 8 is mounted on the lifting end of the top lifting mechanism 2, the buffer block tooling 3 is detachably mounted on the connecting seat 8, and the detection member 5 is mounted on the outer side of the connecting seat 8, so that users can replace different buffer block toolings 3 according to actual buffer block requirements, and preferably, the top of the detection column 4 is provided with an extension disc 44, which can realize the detection of the position of the detection column 4 on different buffer block toolings 3 without changing the installation position of the detection member 5.

[0046] Preferably, the connecting seat 8 is provided with a connecting hole, and the top of the buffer block tooling 3 is provided with a connecting column matched with the connecting hole, and the axis of the connecting column coincides with the axis of the accommodating groove 30, and preferably, the connecting column is fixed in the connecting hole through a locking screw.

[0047] In some embodiments, preferably, a bottom lifting mechanism 10 is further included, a lifting end of the bottom lifting mechanism 10 is mounted with the bladder positioning tool 9, the bladder positioning tool 9 is opposite to and below the buffer block tool 3, the bottom lifting mechanism 10 can be a component in the prior art that can drive a component to lift in the vertical direction, in the embodiment, the bottom lifting mechanism 10 is a pneumatic cylinder, and the bladder positioning tool 9 is detachably mounted on the bottom lifting mechanism 10.

[0048] In some embodiments, preferably, a controller is further included, the controller is connected with the top lifting mechanism 2 and the bottom lifting mechanism 10, and a display screen is further included, the display screen is connected with the controller, and the display screen is a touch screen.

[0049] 1. A corresponding type of buffer block tool 3 is selected, is mounted into the lower end connecting seat 8 of the servo press, the tool is locked by rotating and locking the elastic screw, and then a corresponding bladder positioning tool 9 is taken and placed into the fixing seat (see Figure Six );

[0050] 2. A corresponding product "formula" (i.e. program) is found on the touch screen, the knob is rotated to "automatic", the "reset" button is pressed for 3 seconds, the servo press drives the buffer block tool 3 and the bottom lifting mechanism 10 drives the bladder positioning tool 9 to return to the program origin (1 and 2 steps can be completed in 1 minute);

[0051] 3. The buffer block is pushed into the buffer block tool 3, the sponge suction cup sucks the buffer block, and the adjusting plunger 7 on the circumference of the tool pushes against the buffer block, when the buffer block is mounted, the plurality of detection columns 4 move upward, the detection piece 5 reflects the detection data to the touch screen, and then it is verified whether the buffer block is assembled to the position in place, if it is within the qualified range, a green light is turned on to remind;

[0052] 4. The bladder is placed on the bladder positioning tool 9, the bottom lifting mechanism 10 is lifted to the position by pressing the start button with both hands, the servo press drives the buffer block to quickly descend to the pressure mounting position, and the buffer block is pressure mounted into the bladder base by slowing down;

[0053] 5. The servo press is returned to the set position again, and is pressure mounted again. The pressure and the detection data of the detection piece 5 of the main equipment display screen are monitored, specifically, whether the pressure mounting is qualified is judged;

[0054] 6. The rubber buffer block pressure mounting equipment is not abnormally reminded, indicating that the buffer block is separated from the tool and is pressure mounted into the bladder. The buffer block tool 3 is returned to the initial position upward with the servo press, and the bottom lifting mechanism 10 also lowers the pressure mounted bladder to the original point;

[0055] 7. Take out the product, and then load the next buffer block and the bladder, and repeat the above steps 3, 4 and 5.

[0056] The present application has the adsorption part 6 adsorbing tightly and the detection part 5 detecting whether the assembly is in place after the buffer block is loaded into the buffer block tool 3, the pressing force of the servo press can be monitored in real time, and the assembly is ensured to be in place; different buffer blocks are equipped with different buffer block tools 3, and the replacement is simple and fast.

[0057] It should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0058] In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise explicitly specified and limited.

[0059] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integrated; can be mechanical connection, or electrical connection or communication with each other; can be directly connected, or indirectly connected through an intermediate medium; can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0060] In the present application, unless otherwise explicitly specified and limited, the first feature "on" or "under" the second feature can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature "above", "over" and "on" the second feature can be that the first feature is directly above or obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "under", "below" and "under" the second feature can be that the first feature is directly below or obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0061] The above description is only the preferred embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent substitutions or changes according to the technical solution and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A rubber bumper press equipment for pressing a bumper into a bladder, characterized by, Including rack (1), the buffer block tooling (3) is installed on the rack (1) through the top lifting mechanism (2); The buffer block tooling (3) has a containing groove (30) for containing buffer blocks and an opening (31) downward, and the containing groove (30) is provided with an adsorption part (6) for adsorbing buffer blocks by negative pressure; The top of the buffer block tooling (3) is provided with a detection column (4), the detection column (4) has a part extending into the containing groove (30), and the detection column (4) has a part above the buffer block tooling (3), when the adsorption part (6) adsorbs the buffer block into the containing groove (30), the buffer block extrudes the detection column (4) and moves the detection column (4) upward, and the detection member (5) installed on the top lifting mechanism (2) is used for detecting the displacement of the detection column (4) moving upward; The detection column (4) and the detection member (5) are provided with at least two groups, one group of the detection column (4) and one group of the detection member (5) correspond, and at least two groups of the detection column (4) and at least two groups of the detection member (5) are used for detecting whether the buffer block is inclined in the vertical direction in the containing groove (30).

2. The rubber bumper press equipment of claim 1, wherein, The outer side of the buffer block tooling (3) is provided with a plurality of openings (31) communicating with the containing groove (30), and a limiting part is formed between any two adjacent openings (31).

3. The rubber bumper press equipment of claim 1, wherein, The outer side of the buffer block tooling (3) is provided with an adjusting plunger (7), the adjusting plunger (7) has a part extending into the containing groove (30), and the part of the adjusting plunger (7) extending into the containing groove (30) is in contact with the outer side wall of the buffer block, the adjusting plunger (7) is provided with a plurality of adjusting plungers (7), and the plurality of adjusting plungers (7) are distributed along the circumference of the containing groove (30).

4. The rubber bumper press equipment of claim 3, wherein, The adjusting plunger (7) is in point contact with the buffer block.

5. The rubber bumper press equipment of claim 1, wherein, The detection column (4) is located at the outer periphery of the adsorption part (6).

6. The rubber bumper press equipment of claim 1, wherein, The detection column (4) includes a sleeve (40) mounted on the buffer block tooling (3), the top of the buffer block tooling (3) is provided with a detection through hole, the detection through hole communicates with the middle hole of the sleeve (40) on the buffer block tooling (3) and forms a stepped hole, the aperture of the detection through hole is smaller than the aperture of the middle hole of the sleeve (40), the detection through hole and the sleeve (40) form a first sub-step surface, the first sub-step surface is located on the buffer block tooling (3), and the detection column (4) further includes a sliding column, the sliding column includes an upper column body (41) and a lower column body (42), the outer diameter of the upper column body (41) is greater than the outer diameter of the lower column body (42), a second sub-step surface is formed between the upper column body (41) and the lower column body (42), and an elastic member (43) is arranged between the second sub-step surface and the first sub-step surface.

7. The rubber bumper press equipment of claim 6, wherein, When the sliding column is in a force-free state, the elastic member (43) is in a compressed state under the action of gravity of the upper column body (41), when the buffer block is adsorbed into the containing groove (30), the bottom of the lower column body (42) slides into the detection through hole, and the elastic member (43) is in an elongated state.

8. The rubber bumper press equipment of claim 6, wherein, The bottom of the lower column (42) is in point contact with the buffer block.

9. The rubber bumper press equipment of claim 1, wherein, The device further comprises a connecting seat (8) mounted on the lifting end of the top lifting mechanism (2), the buffer block tooling (3) is detachably mounted on the connecting seat (8), and the detection piece (5) is mounted on the outer side of the connecting seat (8).

10. The rubber bumper press equipment of claim 9, wherein, The top of the detection column (4) is provided with an extension disc (44), and the detection piece (5) is opposite to the extension disc (44).

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