A transformer encapsulation machine

Abstract

The present invention is a divisional application of 202110350310.6, and discloses a transformer rubber coating machine, including a workbench, a second dividing plate is arranged on the workbench, a rotating driving member is arranged on the workbench, the rotating driving member is transmission-connected to the second dividing plate, the rotating driving member can drive the second dividing plate to rotate, a rubber coating unit is arranged on the workbench, and a plurality of rubber coating units are arranged around the second dividing plate. The rubber coating unit includes a rubber coating mechanism and a rubber pressing mechanism which are sequentially arranged along the rotation direction of the second dividing plate. The present invention realizes rubber coating on the workpiece by machinery, reduces manual labor, improves the stability of product quality, and also improves the production efficiency of the workpiece and reduces production costs.

Description

[0001] This application is a divisional application of patent application number CN202110350310.6, with an application date of March 31, 2021, and the invention name is "A transformer encapsulation machine". Technical Field

[0002] The invention relates to transformer manufacturing equipment, in particular to a transformer encapsulation machine. Background Art

[0003] During the transformer production process, one of the steps requires the use of tape to connect the coil and the plug board together. The tape is not directly glued to the coil and the plug board to simply connect the two together. Instead, the tape needs to be laid flat against the coil and the plug board first, and then the tape and the coil are wrapped around several circles to tightly connect the two. The traditional method of rubber coating is manual rubber coating, which has unstable quality, low efficiency, and high labor costs, making it difficult to improve production economic benefits. Summary of the invention

[0004] The object of the present invention is to provide a transformer encapsulation machine to solve one or more technical problems existing in the prior art and at least provide a beneficial choice or create conditions.

[0005] The solution of the present invention to solve its technical problem is:

[0006] A transformer rubber coating machine comprises a workbench, on which a first dividing plate and a second dividing plate are coaxially arranged, the first dividing plate is located above the second dividing plate, the outer diameter of the second dividing plate is larger than the outer diameter of the first dividing plate, a rotating drive member is arranged on the workbench, the rotating drive member is transmission-connected to the second dividing plate, the rotating drive member can drive the second dividing plate to rotate, the rotation axis of the second dividing plate extends in a vertical direction, a plurality of positioning jigs are evenly arranged on the top side of the second dividing plate around the rotation axis of the second dividing plate, a rubber coating unit is arranged on the workbench, and a plurality of the rubber coating units are arranged around the second dividing plate, the rubber coating unit comprises a rubber coating mechanism and a rubber pressing mechanism which are sequentially arranged along the rotation direction of the second dividing plate, and workpiece positioning mechanisms are arranged at positions on the first dividing plate opposite to the rubber coating mechanism and the rubber pressing mechanism.

[0007] The technical solution has at least the following beneficial effects: A plurality of positioning fixtures are arranged in a circumferential array on the second indexing plate, and workpieces of external devices can be placed in each positioning fixture. During operation, the second indexing plate is driven to rotate by a rotation driving member, while the first indexing plate remains stationary. When a positioning fixture moves to the side of the rubber coating mechanism, the workpiece positioning mechanism positions and presses the workpiece in the positioning fixture, and then the rubber coating mechanism coats the workpiece in the positioning fixture. After the rubber coating is completed, the rotation driving member continues to drive the second indexing plate to rotate, and the workpiece with the rubber coating completed rotates to the side of the rubber pressing mechanism, and the rubber pressing mechanism presses the workpiece. If there are multiple rubber coating units arranged around the second indexing plate, multiple rubber coating mechanisms can repeat the rubber coating and rubber pressing processes to achieve wrapping multiple turns of tape around the workpiece and improve the rubber coating effect. In practical applications, two rubber coating units can be set to wrap two turns around the workpiece. Therefore, the present invention realizes rubber coating on the workpiece by machinery, reduces manual labor, improves the product quality stability, improves the production efficiency of the workpiece, and reduces the production cost.

[0008] As a further improvement of the above technical solution, the rubber coating mechanism includes a rubber coating base, a first horizontal translation cylinder, a first translation plate, a first lifting cylinder, a first lifting plate, a tape unwinding wheel, a tape sticking plate, a first longitudinal translation cylinder, a second translation plate, a first pneumatic finger, a second horizontal translation cylinder, a tape pressing plate, a third horizontal translation cylinder, a rubber scraping block, a second lifting cylinder, a second lifting plate, a fourth horizontal translation cylinder, a third translation plate, a second pneumatic finger, a third lifting cylinder and an upper pressing wheel. The rubber coating base is connected to the workbench. The first horizontal translation cylinder is connected to the rubber coating base. The first translation plate is arranged on the first horizontal translation cylinder. The first horizontal translation cylinder can drive the first translation plate to approach or move away from the second indexing plate. The first lifting cylinder and the second lifting cylinder are connected to the first translation plate at intervals in the vertical direction. The first lifting plate is arranged on the first lifting cylinder. The first lifting cylinder can drive the first lifting plate to move up and down. The tape unwinding wheel, the tape sticking plate, the first longitudinal translation cylinder and the second horizontal translation cylinder are all connected to the first lifting plate. The second translation plate is arranged on the first longitudinal translation cylinder. The first longitudinal translation cylinder can drive the second translation plate to approach or move away from the tape sticking plate. The first pneumatic finger is connected to the second translation plate. The movable end of the first pneumatic finger is connected with a pair of scissors. The pair of scissors is located below the tape sticking plate. The tape pressing plate is arranged on the second horizontal translation cylinder. The second horizontal translation cylinder can drive the tape pressing plate to approach or move away from the tape sticking plate. A tape clamping space is formed between the tape pressing plate and the tape sticking plate. The third horizontal translation cylinder is fixed on the second horizontal translation cylinder. The rubber scraping block is arranged on the third horizontal translation cylinder. The rubber scraping block is located below the tape pressing plate. The third horizontal translation cylinder can drive the rubber scraping block to approach or move away from the second indexing plate. The second lifting plate is arranged on the second lifting cylinder. The second lifting cylinder can drive the second lifting plate to move up and down. The fourth horizontal translation cylinder is connected to the second lifting plate. The third translation plate is arranged on the fourth horizontal translation cylinder. The fourth horizontal translation cylinder can drive the third translation plate to approach or move away from the second indexing plate. The second pneumatic finger and the third lifting cylinder are both connected to the third translation plate. The second pneumatic finger is located below the tape clamping space. The third lifting cylinder is located on the side of the second pneumatic finger away from the second indexing plate. The upper pressing wheel is arranged on the third lifting cylinder. The third lifting cylinder can drive the upper pressing wheel to move up and down.The peripheral tape can be placed on the tape unwinding wheel. When it is necessary to apply tape to the workpiece in the positioning jig, the tape pressing plate can be pressed against the tape sticking plate by the second horizontal translation cylinder. The tape clamping space becomes smaller, and the tape released from the tape unwinding wheel is pressed on the tape sticking plate. Then, the first lifting cylinder drives the first lifting plate to move downward, so that the tape protruding from the tape clamping space enters the second pneumatic finger. The moving end of the second pneumatic finger clamps the tape. Next, the second horizontal translation cylinder drives the tape pressing plate away from the tape sticking plate, and the tape clamping space becomes larger. The first lifting cylinder drives the first lifting plate to move upward. At this time, the tape sticking plate moves upward to reset after separating from the adhesion with the tape. The first horizontal translation cylinder drives the first translation plate to approach the second indexing plate, and the unfolded tape is directly adhered to the workpiece in the positioning jig. Then, the fourth horizontal translation cylinder drives the third translation plate to move towards the center of the workpiece, bending the part of the tape protruding below the workpiece into the workpiece. Then, the second lifting cylinder drives the second lifting plate to move upward, causing the bent part of the tape to lift upward. At this time, the second pneumatic finger releases the clamped tape. Finally, the third lifting cylinder drives the upper pressing wheel to move upward, bending the end of the tape upward and closely attaching it to the inner side wall of the workpiece. The upper part of the tape is driven by the first longitudinal translation cylinder to drive the first pneumatic finger to approach the tape, and the shearing pliers are driven by the first pneumatic finger to cut the tape located below the tape sticking plate. Then, the third horizontal translation cylinder drives the glue scraping block to bend the part of the tape protruding above the workpiece towards the center of the workpiece, so that the tape adheres to the top side of the tape. In this way, the preliminary taping of the workpiece is completed using the tape.

[0009] As a further improvement of the above technical solution, the taping mechanism further includes a mounting block, a top rod, a spring and a top block. The mounting block is fixed on the third horizontal translation cylinder. The top rod is slidably connected to the translation cylinder and can slide in a direction close to or away from the second indexing plate. The top block is connected to one end of the top rod close to the second indexing plate. The spring is sleeved on the top rod, and the two ends of the spring are respectively abutted against the top block and the mounting block. An anti-detachment block is connected to the end of the top rod away from the second indexing plate. When packaging the inner plug-in part of the workpiece, pressure needs to be applied to make the plug-in part pressed tightly. When the third horizontal translation cylinder moves towards the workpiece, the top block first abuts against the plug-in part. As the third horizontal translation cylinder continues to move, the spring is compressed, and the pressure of the top block on the plug-in part also increases, so that the plug-in part can be pressed tightly. Then, the third horizontal translation cylinder is used to drive the glue scraping block to move and bend the tape. When the third horizontal translation cylinder moves away from the workpiece, the elastic force of the spring gradually resets the top block, and the anti-detachment block can prevent the top rod from slipping out of the mounting block.

[0010] As a further improvement of the above technical solution, first ridges and second ridges are arranged at intervals up and down on one side of the tape sticking plate facing the tape pressing plate. Taking the plane where the first ridge faces one side of the tape pressing plate as the adhesive surface, the side of the second ridge facing the tape pressing plate is coplanar with the adhesive surface. A telescopic cylinder is arranged on the side of the tape pressing plate facing away from the tape pressing plate. A glue pressing block is arranged between the first ridge and the second ridge. The movable end of the telescopic cylinder passes through the tape pressing plate and is connected to the glue pressing block. The telescopic cylinder can drive the glue pressing block to be away from or flush with the adhesive surface. The tape sticking plate is stuck on the protruding first ridge and second ridge, which can reduce the bonding area, make it easier to separate the tape from the tape sticking plate, and better maintain the adhesiveness of the tape. The glue pressing block that can be flush with or away from the adhesive surface can flexibly increase or decrease the contact area with the tape. When the tape pressing plate presses the tape on the tape sticking plate, at this time the glue pressing block is flush with the adhesive surface, and the tape can be stuck on the glue pressing block. When one end of the tape is clamped by the second pneumatic finger, the glue pressing block can be away from the adhesive surface, and then the first lifting cylinder drives the first lifting plate to move upward. In this way, it can be cleverly realized that after the tape is clamped and pulled out, it can be easily separated from the tape.

[0011] As a further improvement of the above technical solution, the tape wrapping mechanism further includes a tape guiding wheel, and the tape guiding wheel is connected to the first lifting plate and is located between the tape unwinding wheel and the tape clamping space. The tape unwound from the tape unwinding wheel can be pulled out after passing around the tape guiding wheel, and the tape guiding wheel is used to increase the tension of the tape.

[0012] As a further improvement of the above technical solution, the glue pressing mechanism includes a glue pressing base, a glue pressing lifting cylinder, a glue pressing lifting plate, a glue pressing translation cylinder, a mounting plate and a lower pressing wheel. The glue pressing base is connected to the workbench. The glue pressing lifting cylinder is connected to the glue pressing base. The glue pressing lifting plate is arranged on the glue pressing lifting cylinder. The glue pressing lifting cylinder can drive the glue pressing lifting plate to move up and down. The glue pressing translation cylinder is connected to the glue pressing lifting plate. The mounting plate is arranged on the glue pressing translation cylinder. The glue pressing translation cylinder can drive the mounting plate to approach or move away from the second indexing plate. The lower pressing wheel is connected to the bottom side of the mounting plate. In the tape wrapping process, the upper part of the tape protruding from the workpiece bends towards the middle of the tape. In the glue pressing process, the glue pressing lifting cylinder and the glue pressing translation cylinder drive the mounting plate to translate towards the center of the workpiece and then descend, so that the lower pressing wheel bends the tape downward again, making the tape tightly press on the inner side wall of the workpiece to complete the wrapping and winding of the workpiece.

[0013] As a further improvement of the above technical solution, the workpiece positioning mechanism includes a tensioning translation cylinder, a tensioning translation plate, a tensioning lifting cylinder, a tensioning plate, a clamping mounting frame, a clamping lifting cylinder and a clamping plate. The tensioning translation cylinder and the clamping mounting frame are both connected to the first dividing plate, the tensioning translation plate is arranged on the tensioning translation cylinder, and the tensioning translation cylinder can drive the tensioning translation plate close to or away from the center line of the second dividing plate. The tensioning lifting cylinder is connected to the tensioning translation plate, the tensioning plate is arranged on the tensioning lifting cylinder, and the tensioning lifting cylinder can drive the tensioning plate to move up and down. The clamping lifting cylinder is connected to the clamping mounting frame, the clamping plate is arranged on the clamping lifting cylinder, and the clamping lifting cylinder can drive the clamping plate to move up and down. The clamping plate is located on the side of the tensioning plate away from the center line of the second dividing plate. After the workpiece is placed on the positioning fixture, the tensioning translation cylinder and the tensioning lifting cylinder can respectively drive the tensioning plate to translate and move up and down. When it moves to the side of the rubber encapsulation unit, the tensioning plate translates to the top of the workpiece, that is, above the middle of the coil, and then descends to extend into the coil, and then pulls back to tighten the workpiece in the positioning fixture, thereby positioning the workpiece in the positioning fixture, and then uses the compression lifting cylinder to drive the compression plate to move down, and compress the workpiece in the positioning fixture to improve the quality of the rubber encapsulation.

[0014] As a further improvement of the above technical solution, the positioning fixture is detachably connected to the second indexing plate. The positioning fixture can be disassembled from the second indexing plate, so that the positioning fixture can be easily replaced.

[0015] As a further improvement of the above technical solution, the rotary drive member is a drive motor, which provides power and transmits the power to the second dividing plate, thereby driving the second dividing plate to rotate.

[0016] As a further improvement of the above technical solution, a detection mounting plate is connected to the workbench, and the detection mounting plate and the rubber-coating unit are sequentially arranged beside the second indexing plate in the rotation direction of the second indexing plate, and an empty material sensor is arranged on the top side of the detection mounting plate. The empty material sensor on the detection mounting plate can detect and feedback whether the positioning fixture passing by has a workpiece, thereby avoiding the problem of transferring the empty positioning fixture to the rubber-coating unit for processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly describes the drawings required for use in the description of the embodiments. Obviously, the drawings described are only part of the embodiments of the present invention, not all of the embodiments, and those skilled in the art can also obtain other design solutions and drawings based on these drawings without creative work.

[0018] Figure 1 is the overall top view of the present invention;

[0019] Figure 2 is the three-dimensional view of the encapsulation mechanism of the present invention;

[0020] Figure 3 is the three-dimensional view of the tape sticking plate of the present invention;

[0021] Figure 4 is the three-dimensional view of the glue pressing mechanism and the workpiece positioning mechanism of the present invention.

[0022] In the attached drawings: 100 - workbench, 110 - first indexing plate, 120 - second indexing plate, 130 - positioning fixture, 140 - encapsulation mechanism, 141 - encapsulation base, 142 - first horizontal translation cylinder, 143 - first translation plate, 144 - first lifting cylinder, 145 - first lifting plate, 146 - tape unwinding wheel, 147 - tape sticking plate, 148 - first longitudinal translation cylinder, 149 - first pneumatic finger, 150 - cutting pliers, 151 - second horizontal translation cylinder, 152 - tape pressing plate, 153 - third horizontal translation cylinder, 154 - glue scraping block, 155 - second lifting cylinder, 156 - fourth horizontal translation cylinder, 157 - second pneumatic finger, 158 - third lifting cylinder, 159 - upper pressing wheel, 160 - tape guiding wheel, 161 - first rib, 162 - second rib, 163 - telescopic cylinder, 164 - glue pressing block, 170 - glue pressing mechanism, 171 - glue pressing base, 172 - glue pressing lifting cylinder, 173 - glue pressing translation cylinder, 174 - mounting plate, 175 - lower pressing wheel, 180 - workpiece positioning mechanism, 181 - tensioning translation cylinder, 182 - tensioning lifting cylinder, 183 - tensioning plate, 184 - pressing mounting frame, 185 - pressing lifting cylinder, 186 - pressing plate. Detailed implementation manners

[0023] The following will clearly and completely describe the concept, specific structure and technical effects generated by the present invention in combination with the embodiments and the attached drawings, so as to fully understand the purpose, features and effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, other embodiments obtained by those skilled in the art without creative efforts shall fall within the scope of protection of the present invention. In addition, all the connection relationships mentioned in the text do not refer only to the direct connection of components, but refer to the more excellent connection structure that can be formed by adding or reducing connection accessories according to the specific implementation situation. The various technical features in the present invention can be combined with each other without conflict.

[0024] Refer to Figure 1, A transformer encapsulation machine, comprising a workbench 100, on which a first indexing plate 110 and a second indexing plate 120 are coaxially arranged. The first indexing plate 110 is located above the second indexing plate 120, and the outer diameter of the second indexing plate 120 is larger than that of the first indexing plate 110. A rotary driving member is arranged on the workbench 100, and the rotary driving member is in transmission connection with the second indexing plate 120. The rotary driving member can drive the second indexing plate 120 to rotate self. The rotation axis of the second indexing plate 120 extends in the vertical direction. A plurality of positioning jigs 130 are evenly arranged on the top side of the second indexing plate 120 around the rotation axis of the second indexing plate 120. An encapsulation unit is arranged on the workbench 100, and several encapsulation units are arranged around the second indexing plate 120. The encapsulation unit includes an encapsulation mechanism 140 and a pressing mechanism 170 arranged in sequence along the rotation direction of the second indexing plate 120. Workpiece positioning mechanisms 180 are arranged at positions on the first indexing plate 110 opposite to the encapsulation mechanism 140 and the pressing mechanism 170 respectively.

[0025] As can be seen from the above, a plurality of positioning jigs 130 are arranged in a circular array on the second indexing plate 120, and an external workpiece can be placed in each positioning jig 130. During operation, the second indexing plate 120 is driven to rotate by the rotary driving member, while the first indexing plate 110 remains stationary. When a positioning jig 130 moves to the side of the encapsulation mechanism 140, the workpiece positioning mechanism 180 positions and presses the workpiece in the positioning jig 130. Then, the encapsulation mechanism 140 encapsulates the workpiece in the positioning jig 130. After the encapsulation is completed, the rotary driving member continues to drive the second indexing plate 120 to rotate, and the workpiece with the encapsulation completed rotates to the side of the pressing mechanism 170, and the pressing mechanism 170 presses the workpiece. If there are multiple encapsulation units arranged around the second indexing plate 120, the encapsulation and pressing processes can be repeated by multiple encapsulation mechanisms 140 to realize winding multiple turns of tape on the workpiece and improve the encapsulation effect. Therefore, in the present invention, the encapsulation of the workpiece is realized mechanically, reducing manual labor, improving the product quality stability, improving the production efficiency of the workpiece, and reducing the production cost.

[0026] The encapsulation mechanism 140 is mainly used to pull out the tape and wrap and wind the workpiece, such as Figure 2As shown, in this embodiment, the rubber coating mechanism 140 includes a rubber coating base 141, a first horizontal translation cylinder 142, a first translation plate 143, a first lifting cylinder 144, a first lifting plate 145, a tape unwinding wheel 146, a tape sticking plate 147, a first longitudinal translation cylinder 148, a second translation plate, a first pneumatic finger 149, a second horizontal translation cylinder 151, a tape pressing plate 152, a third horizontal translation cylinder 153, a glue scraping block 154, a second lifting cylinder 155, a second lifting plate, a fourth horizontal translation cylinder 156, a third translation plate, a second pneumatic finger 157, a third lifting cylinder 158 and an upper pressing wheel 159. The rubber coating base 141 is connected to the workbench 100. The first horizontal translation cylinder 142 is connected to the rubber coating base 141. The first translation plate 143 is arranged on the first horizontal translation cylinder 142. The first horizontal translation cylinder 142 can drive the first translation plate 143 to approach or move away from the second indexing plate 120. The first lifting cylinder 144 and the second lifting cylinder 155 are connected to the first translation plate 143 at intervals in the vertical direction. The first lifting plate 145 is arranged on the first lifting cylinder 144. The first lifting cylinder 144 can drive the first lifting plate 145 to move up and down. The tape unwinding wheel 146, the tape sticking plate 147, the first longitudinal translation cylinder 148 and the second horizontal translation cylinder 151 are all connected to the first lifting plate 145. The second translation plate is arranged on the first longitudinal translation cylinder 148. The first longitudinal translation cylinder 148 can drive the second translation plate to approach or move away from the tape sticking plate 147. The first pneumatic finger 149 is connected to the second translation plate. The movable end of the first pneumatic finger 149 is connected with a pair of scissors 150. The pair of scissors 150 is located below the tape sticking plate 147. The tape pressing plate 152 is arranged on the second horizontal translation cylinder 151. The second horizontal translation cylinder 151 can drive the tape pressing plate 152 to approach or move away from the tape sticking plate 147. A tape clamping space is formed between the tape pressing plate 152 and the tape sticking plate 147. The third horizontal translation cylinder 153 is fixed on the second horizontal translation cylinder 151. The glue scraping block 154 is arranged on the third horizontal translation cylinder 153. The glue scraping block 154 is located below the tape pressing plate 152. The third horizontal translation cylinder 153 can drive the glue scraping block 154 to approach or move away from the second indexing plate 120. The second lifting plate is arranged on the second lifting cylinder 155. The second lifting cylinder 155 can drive the second lifting plate to move up and down. The fourth horizontal translation cylinder 156 is connected to the second lifting plate. The third translation plate is arranged on the fourth horizontal translation cylinder 156. The fourth horizontal translation cylinder 156 can drive the third translation plate to approach or move away from the second indexing plate 120.The second pneumatic finger 157 and the third lifting cylinder 158 are both connected to the third translation plate. The second pneumatic finger 157 is located below the tape clamping space, and the third lifting cylinder 158 is located on the side of the second pneumatic finger 157 away from the second indexing plate 120. The upper pressing wheel 159 is arranged on the third lifting cylinder 158, and the third lifting cylinder 158 can drive the upper pressing wheel 159 to move up and down. The externally provided tape can be placed on the tape unwinding wheel 146. When it is necessary to wrap the workpiece in the positioning jig 130 with tape, the tape pressing plate 152 can be pressed against the tape sticking plate 147 by the second horizontal translation cylinder 151, and the tape clamping space becomes smaller. The tape released from the tape unwinding wheel 146 is pressed on the tape sticking plate 147. Then, the first lifting cylinder 144 drives the first lifting plate 145 to move downward, so that the tape protruding from the tape clamping space enters the second pneumatic finger 157, and the movable end of the second pneumatic finger 157 clamps the tape. Then, the second horizontal translation cylinder 151 drives the tape pressing plate 152 away from the tape sticking plate 147, and the tape clamping space becomes larger. The first lifting cylinder 144 drives the first lifting plate 145 to move upward. At this time, the tape sticking plate 147 moves upward to reset after separating from the bonding with the tape. The first horizontal translation cylinder 142 drives the first translation plate 143 to approach the second indexing plate 120, and the unfolded tape is directly adhered to the workpiece in the positioning jig 130. Then, the fourth horizontal translation cylinder 156 drives the third translation plate to move towards the center of the workpiece, bending the part of the tape protruding below the workpiece towards the inside of the workpiece. Then, the second lifting cylinder 155 drives the second lifting plate to move upward, so that the bent part of the tape is lifted upward. At this time, the second pneumatic finger 157 releases the clamped tape. Finally, the third lifting cylinder 158 drives the upper pressing wheel 159 to move upward, bending the end of the tape upward and tightly attaching it to the inner side wall of the workpiece. The upper part of the tape is driven by the first longitudinal translation cylinder 148 to drive the first pneumatic finger 149 to approach the tape, and the shearing pliers 150 are driven by the first pneumatic finger 149 to cut the tape located below the tape sticking plate 147. Then, the third horizontal translation cylinder 153 drives the glue scraping block 154 to bend the part of the tape protruding above the workpiece towards the center of the workpiece, so that the tape is adhered to the top side of the tape. In this way, the workpiece is preliminarily wrapped with tape.,

[0027] In order to press the workpiece tightly so that the tape wraps the workpiece more closely, in this embodiment, the rubber coating mechanism 140 further includes a mounting block, a push rod, a spring and a top block. The mounting block is fixed on the third horizontal translation cylinder 153. The push rod is slidably connected to the translation cylinder and can slide in a direction close to or away from the second indexing plate 120. The top block is connected to one end of the push rod close to the second indexing plate 120. The spring is sleeved on the push rod, and the two ends of the spring are respectively abutted against the top block and the mounting block. An anti - detachment block is connected to the end of the push rod away from the second indexing plate 120. When the inner insert part of the workpiece is being packaged, pressure needs to be applied to press the insert tightly. When the third horizontal translation cylinder 153 moves towards the workpiece, the top block first abuts against the insert. As the third horizontal translation cylinder 153 continues to move, the spring is compressed, and the pressure of the top block on the insert also increases, so that the insert can be pressed tightly. Then, the third horizontal translation cylinder 153 drives the rubber scraping block 154 to move to bend the tape. When the third horizontal translation cylinder 153 moves away from the workpiece, the elastic force of the spring gradually resets the top block, and the anti - detachment block can prevent the push rod from disengaging from the mounting block.

[0028] The adhesive surface of the tape adheres to the tape adhesive plate 147. If the entire section of the tape passing through the tape adhesive plate 147 is adhered to the tape adhesive plate 147, it is relatively difficult to separate the tape from the tape adhesive plate 147. For example, Figure 3 As shown, in this embodiment, on one side of the tape adhesive plate 147 facing the tape pressing plate 152, a first convex strip 161 and a second convex strip 162 are arranged at intervals up and down. Taking the plane where the first convex strip 161 faces the side surface of the tape pressing plate 152 as the adhesive surface, the side surface of the second convex strip 162 facing the tape pressing plate 152 is coplanar with the adhesive surface. On the side surface of the tape pressing plate 152 facing away from the tape pressing plate 152, a telescopic cylinder 163 is arranged. A rubber pressing block 164 is arranged between the first convex strip 161 and the second convex strip 162. The movable end of the telescopic cylinder 163 passes through the tape pressing plate 152 and is connected to the rubber pressing block 164. The telescopic cylinder 163 can drive the rubber pressing block 164 to be away from or flush with the adhesive surface. The tape adhesive plate 147 adheres to the protruding first convex strip 161 and second convex strip 162, which can reduce the bonding area, make it easier to separate the tape from the tape adhesive plate 147, and better maintain the adhesiveness of the tape. The rubber pressing block 164 that can be flush with or away from the adhesive surface can flexibly increase or decrease the contact area with the tape. When the tape pressing plate 152 presses the tape on the tape adhesive plate 147, at this time, the rubber pressing block 164 is flush with the adhesive surface, and the tape can adhere to the rubber pressing block 164. When one end of the tape is clamped by the second pneumatic finger 157, the rubber pressing block 164 can be away from the adhesive surface, and then the first lifting cylinder 144 drives the first lifting plate 145 to move upward. In this way, it can be cleverly realized that after the tape is clamped and pulled out, it can be easily separated from the tape.

[0029] There is still a distance between the tape led out by the tape unwinding wheel 146 and the tape clamping space. A tape guiding wheel 160 is added in this section of the distance. The tape guiding wheel 160 is connected to the first lifting plate 145. The tape released from the tape unwinding wheel 146 can be pulled out after bypassing the tape guiding wheel 160, and the tape guiding wheel 160 is used to increase the tension of the tape.

[0030] The tape pressing mechanism 170 is mainly used to press down the tape on the workpiece after being coated by the coating mechanism 140, so that the tape wraps around the workpiece. As Figure 4 shown, in this embodiment, the tape pressing mechanism 170 includes a tape pressing base 171, a tape pressing lifting cylinder 172, a tape pressing lifting plate, a tape pressing translation cylinder 173, a mounting plate 174 and a downward pressing wheel 175. The tape pressing base 171 is connected to the workbench 100. The tape pressing lifting cylinder 172 is connected to the tape pressing base 171. The tape pressing lifting plate is arranged on the tape pressing lifting cylinder 172. The tape pressing lifting cylinder 172 can drive the tape pressing lifting plate to move up and down. The tape pressing translation cylinder 173 is connected to the tape pressing lifting plate. The mounting plate 174 is arranged on the tape pressing translation cylinder 173. The tape pressing translation cylinder 173 can drive the mounting plate 174 to approach or move away from the second indexing plate 120. The downward pressing wheel 175 is connected to the bottom side of the mounting plate 174. In the coating process, the upper part of the tape protruding from the workpiece bends towards the middle of the tape. In the tape pressing process, the tape pressing lifting cylinder 172 and the tape pressing translation cylinder 173 drive the mounting plate 174 to translate towards the center of the workpiece and then descend, so that the downward pressing wheel 175 bends the tape downward again, so that the tape is tightly pressed against the inner side wall of the workpiece, completing the wrapping of the workpiece.

[0031] The workpiece positioning mechanism 180 is mainly used for positioning and pressing the workpiece placed in the positioning fixture 130. In this embodiment, the workpiece positioning mechanism 180 includes a tensioning translation cylinder 181, a tensioning translation plate, a tensioning lifting cylinder 182, a tensioning plate 183, a pressing mounting bracket 184, a pressing lifting cylinder 185 and a pressing plate 186. The tensioning translation cylinder 181 and the pressing mounting bracket 184 are both connected to the first indexing plate 110. The tensioning translation plate is arranged on the tensioning translation cylinder 181. The tensioning translation cylinder 181 can drive the tensioning translation plate to approach or move away from the center line of the second indexing plate 120. The tensioning lifting cylinder 182 is connected to the tensioning translation plate. The tensioning plate 183 is arranged on the tensioning lifting cylinder 182. The tensioning lifting cylinder 182 can drive the tensioning plate 183 to move up and down. The pressing lifting cylinder 185 is connected to the pressing mounting bracket 184. The pressing plate 186 is arranged on the pressing lifting cylinder 185. The pressing lifting cylinder 185 can drive the pressing plate 186 to move up and down. The pressing plate 186 is located on the side of the tensioning plate 183 away from the center line of the second indexing plate 120. After the workpiece is placed in the positioning fixture 130, the tensioning translation cylinder 181 and the tensioning lifting cylinder 182 can drive the tensioning plate 183 to translate and move up and down respectively. When moving to the side of the rubber coating unit, the tensioning plate 183 translates above the workpiece, that is, above the middle of the coil, and then descends and extends into the coil, and then pulls back to tighten the workpiece in the positioning fixture 130, so as to position the workpiece in the positioning fixture 130. Then, the pressing lifting cylinder 185 is used to drive the pressing plate 186 to move down to press the workpiece in the positioning fixture 130, improving the quality of rubber coating.

[0032] In order to improve the applicability to workpieces of different specifications and sizes, in this embodiment, the positioning fixture 130 and the second indexing plate 120 are detachably connected. The positioning fixture 130 can be disassembled from and assembled to the second indexing plate 120, and the replacement of the positioning fixture 130 can be conveniently realized.

[0033] As a further embodiment of the rotation driving member, the rotation driving member is a driving motor. The driving motor provides power and transmits the power to the second indexing plate 120, thereby driving the second indexing plate 120 to rotate self.

[0034] In order to improve the degree of automated production, in this embodiment, a detection mounting plate 174 is connected to the workbench 100. The detection mounting plate 174 and the rubber-coating unit are sequentially arranged beside the second indexing plate 120 in the rotation direction of the second indexing plate 120, and an empty material sensor is arranged on the top side of the detection mounting plate 174. The empty material sensor on the detection mounting plate 174 can detect and feedback whether the positioning fixture 130 passing by has a workpiece, thereby avoiding the problem of transferring the empty positioning fixture 130 to the rubber-coating unit for processing.

[0035] In the above embodiments, each cylinder is mainly used to provide driving force for linear reciprocating motion. In practical applications, electric or hydraulic driving methods can be used to achieve this, such as using electric screws, electric guide rails and other driving parts as direct replacements.

[0036] The preferred embodiments of the present invention are specifically described above, but the invention is not limited to the embodiments. Those skilled in the art may make various equivalent modifications or substitutions without violating the spirit of the invention. These equivalent modifications or substitutions are all included in the scope defined by the claims of this application.

Claims

1. A transformer encapsulation machine, characterized in that: It includes a workbench (100), on which a second indexing plate (120) is provided. A rotary driving member is provided on the workbench (100), and the rotary driving member is in transmission connection with the second indexing plate (120). The rotary driving member can drive the second indexing plate (120) to rotate self. The rotation axis of the second indexing plate (120) extends in the vertical direction. A rubber coating unit is provided on the workbench (100), and a plurality of the rubber coating units are arranged around the second indexing plate (120). The rubber coating unit includes a rubber coating mechanism (140) and a rubber pressing mechanism (170) arranged in sequence along the rotation direction of the second indexing plate (120). The rubber coating mechanism (140) includes a rubber coating base (141), a first horizontal translation cylinder (142), a first translation plate (143), a first lifting cylinder (144), a first lifting plate (145), a tape unwinding wheel (146), a tape sticking plate (147), a first longitudinal translation cylinder (148), a second translation plate, a first pneumatic finger (149), a second horizontal translation cylinder (151), a tape pressing plate (152), a third horizontal translation cylinder (153), a rubber scraping block (154), a second lifting cylinder (155), a second lifting plate, a fourth horizontal translation cylinder (156), a third translation plate, a second pneumatic finger (157), a third lifting cylinder (158) and an upper pressing wheel (159). The rubber coating base (141) is connected to the workbench (100). The first horizontal translation cylinder (142) is connected to the rubber coating base (141). The first translation plate (143) is arranged on the first horizontal translation cylinder (142). The first horizontal translation cylinder (142) can drive the first translation plate (143) to approach or move away from the second indexing plate (120). The first lifting cylinder (144) and the second lifting cylinder (155) are connected to the first translation plate (143) at an upper and lower interval. The first lifting plate (145) is arranged on the first lifting cylinder (144). The first lifting cylinder (144) can drive the first lifting plate (145) to move up and down. The tape unwinding wheel (146), the tape sticking plate (147), the first longitudinal translation cylinder (148) and the second horizontal translation cylinder (151) are all connected to the first lifting plate (145). The second translation plate is arranged on the first longitudinal translation cylinder (148). The first longitudinal translation cylinder (148) can drive the second translation plate to approach or move away from the tape sticking plate (147). The first pneumatic finger (149) is connected to the second translation plate. The movable end of the first pneumatic finger (149) is connected with a pair of scissors (150). The pair of scissors (150) is located below the tape sticking plate (147). The tape pressing plate (152) is arranged on the second horizontal translation cylinder (151).The second horizontal translation cylinder (151) can drive the tape pressing plate (152) to approach or move away from the tape sticking plate (147). A tape clamping space is formed between the tape pressing plate (152) and the tape sticking plate (147). The third horizontal translation cylinder (153) is fixed on the second horizontal translation cylinder (151). The glue scraping block (154) is arranged on the third horizontal translation cylinder (153). The glue scraping block (154) is located below the tape pressing plate (152). The third horizontal translation cylinder (153) can drive the glue scraping block (154) to approach or move away from the second indexing plate (120). The second lifting plate is arranged on the second lifting cylinder (155). The second lifting cylinder (155) can drive the second lifting plate to move up and down. The fourth horizontal translation cylinder (156) is connected to the second lifting plate. The third translation plate is arranged on the fourth horizontal translation cylinder (156). The fourth horizontal translation cylinder (156) can drive the third translation plate to approach or move away from the second indexing plate (120). The second pneumatic finger (157) and the third lifting cylinder (158) are both connected to the third translation plate. The second pneumatic finger (157) is located below the tape clamping space. The third lifting cylinder (158) is located on the side of the second pneumatic finger (157) away from the second indexing plate (120). The upper pressing wheel (159) is arranged on the third lifting cylinder (158). The third lifting cylinder (158) can drive the upper pressing wheel (159) to move up and down., 2. The encapsulation machine for transformer according to claim 1, wherein: The rubber coating mechanism (140) further includes a mounting block, a push rod, a spring and a top block. The mounting block is fixed on the third lateral translation cylinder (153). The push rod is slidably connected to the translation cylinder. The push rod can slide in a direction close to or away from the second indexing plate (120). The top block is connected to one end of the push rod close to the second indexing plate (120). The spring is sleeved on the push rod. Two ends of the spring respectively abut against the top block and the mounting block. An anti - detachment block is connected to one end of the push rod away from the second indexing plate (120).

3. A transformer encapsulation machine according to claim 1, characterized in that: On one side of the tape sticking plate (147) facing the tape pressing plate (152), a first rib (161) and a second rib (162) are arranged at intervals up and down. Taking the plane where one side of the first rib (161) facing the tape pressing plate (152) is located as the adhesive surface, one side of the second rib (162) facing the tape pressing plate (152) is coplanar with the adhesive surface. On one side of the tape pressing plate (152) facing away from the tape pressing plate (152), a telescopic cylinder (163) is arranged. A glue pressing block (164) is arranged between the first rib (161) and the second rib (162). The movable end of the telescopic cylinder (163) passes through the tape pressing plate (152) and is connected to the glue pressing block (164). The telescopic cylinder (163) can drive the glue pressing block (164) to be away from or flush with the adhesive surface.

4. A transformer encapsulation machine according to claim 1, characterized in that: The rubber coating mechanism (140) further includes a tape guiding wheel (160). The tape guiding wheel (160) is connected to the first lifting plate (145). The tape guiding wheel (160) is located between the tape unwinding wheel (146) and the tape clamping space.

5. The encapsulation machine for transformer according to claim 1, wherein: The glue pressing mechanism (170) includes a glue pressing base (171), a glue pressing lifting cylinder (172), a glue pressing lifting plate, a glue pressing translation cylinder (173), a mounting plate (174) and a lower pressing wheel (175). The glue pressing base (171) is connected to the workbench (100). The glue pressing lifting cylinder (172) is connected to the glue pressing base (171). The glue pressing lifting plate is arranged on the glue pressing lifting cylinder (172). The glue pressing lifting cylinder (172) can drive the glue pressing lifting plate to move up and down. The glue pressing translation cylinder (173) is connected to the glue pressing lifting plate. The mounting plate (174) is arranged on the glue pressing translation cylinder (173). The glue pressing translation cylinder (173) can drive the mounting plate (174) to be close to or away from the second indexing plate (120). The lower pressing wheel (175) is connected to the bottom side of the mounting plate (174).

6. The encapsulation machine for transformer according to claim 1, wherein: The rotation driving part is a driving motor.

7. A transformer encapsulation machine according to claim 1, characterized in that: A detection mounting plate (174) is connected to the workbench (100). The detection mounting plate (174) and the rubber coating unit are arranged beside the second indexing plate (120) in the rotation direction of the second indexing plate (120) in sequence. An empty - material sensor is arranged on the top side of the detection mounting plate (174).

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