Gas meter diaphragm production system

Abstract

The invention relates to the technical field of gas meter diaphragm production, in particular to a gas meter diaphragm production system which comprises a base, a support, a lower die, an upper die, a pressing component, two transverse moving units and an ash removal assembly, and the ash removal assembly comprises a moving component, a plurality of springs and a plurality of cleaning brushes. The edge is elastically arranged on the outer wall of the lower die in a sleeving mode, then the transverse moving component drives the cleaning brush to be located above the diaphragm, the spring drives the cleaning brush to move downwards, then the cleaning brush abuts against the inner wall of a cavity of the diaphragm and the edge of the diaphragm, and then the moving component drives the cleaning brush to move on the diaphragm to the inclined position of the cavity. When the cleaning brush moves, the cleaning brush is in contact with the inclined plane in the diaphragm, the spring is upwards jacked to contract, and the height of the cleaning brush is adjusted, so that the cleaning brush is downwards pushed through the spring to sequentially abut against the cavity and the edge of the diaphragm, the cavity and the edge of the diaphragm can be cleaned at the same time during movement, and the cleaning efficiency and the cleaning effect are greatly improved.

Description

Technical Field

[0001] The invention relates to the technical field of gas meter diaphragm production, and in particular to a gas meter diaphragm production system. Background Art

[0002] In a diaphragm gas meter, a set of diaphragms is used to measure the gas flow through the meter. The diaphragm is a sensitive and flexible component that can deform in response to the flow of gas, so the production of diaphragms is crucial in gas meters. At present, when producing diaphragms, the raw materials are placed in a mold for molding. After molding, in order to make the diaphragm more beautiful and meet the installation dimensions of the gas meter, the molded diaphragm needs to be sheared and trimmed. Usually, the molded diaphragm is fixed by a clamping mechanism, and then moved to the cutting lower mold, and the upper cutting mold is covered in the lower cutting mold, and then the excess part of the diaphragm edge is cut to obtain a finished gas meter diaphragm.

[0003] In the aforementioned prior art, the diaphragm production environment usually has a lot of dust. Therefore, after the diaphragm is placed in the cutting mold, dust or foreign particles will exist on the surface of the diaphragm. In the traditional technology, a simple cleaning brush is usually used to clean the diaphragm; however, the diaphragm has a downwardly concave cavity space, and there is a height difference between the cavity and the edge of the diaphragm. A simple cleaning brush cannot effectively clean the cavity area and the edge at the same time, resulting in incomplete cleaning of dust or particles on the surface of the diaphragm; and then when the upper and lower molds are covered and cut, the existing particles will be pressed and embedded into the inside of the diaphragm, and even large particles will pierce and damage the diaphragm, affecting the production qualification rate of the diaphragm. Summary of the invention

[0004] The purpose of the present invention is to provide a gas meter diaphragm production system to solve the problem that in the prior art, the diaphragm has a downwardly concave cavity space, and a simple cleaning brush cannot effectively clean the cavity area and the edge at the same time, resulting in incomplete cleaning of dust or particles on the surface of the diaphragm; and then when the upper and lower molds are covered and cut, the existing particles will be pressed and embedded into the inside of the diaphragm, and even large particles will pierce and damage the diaphragm, affecting the production qualification rate of the diaphragm.

[0005] To achieve the above-mentioned purpose, the present invention provides a gas meter diaphragm production system, comprising a base, a bracket, a lower mold, an upper mold, a pressing component, two transverse movement units and a dust cleaning component, wherein the bracket is arranged above the base, the lower mold is arranged above the base and below the bracket, the pressing component is arranged on the inner top wall of the bracket, the output end of the pressing component is fixedly connected to the upper mold, the upper mold and the lower mold are adapted to each other, and the two transverse movement units are symmetrically arranged on the inner top wall of the bracket;

[0006] The dust cleaning component includes a moving part, multiple springs and multiple cleaning brushes. The moving part is arranged on the corresponding transverse movement unit. One end of the multiple springs is movably connected to the output end of the transverse movement part, and the other end of the multiple springs is fixedly and movably connected to the cleaning brush.

[0007] Wherein, the transverse movement unit includes a transverse movement component, a lifting component and a connecting block, the transverse movement component is arranged on the inner top wall of the bracket, the lifting component is arranged at the output end of the transverse movement component, and the output end of the lifting component is fixedly connected to the connecting block.

[0008] Among them, the cleaning component also includes a cutting piece, a cleaning shell, a plurality of electric retracting rods and two dust adsorption units, the cleaning shell has a plurality of ventilation slots and cutting slots, the cutting piece is fixedly connected to the upper mold and is located below the upper mold, the cutting piece and the cutting slot are adapted to each other, the cleaning shell is arranged below the connecting block, the moving component is arranged inside the cleaning shell, one end of the plurality of electric retracting rods are fixedly connected to the output end of the moving component, the other ends of the plurality of electric retracting rods are respectively fixedly connected to the corresponding cleaning brushes, the spring sleeve is arranged on the outside of the electric retracting rod, and the two dust adsorption units are symmetrically arranged on both sides of the cleaning shell.

[0009] Wherein, the dust adsorption unit includes a dust collecting channel, multiple fans, multiple dust pipes, a water tank and a drain valve, the dust collecting channel is connected to the cleaning shell, the multiple fans are sequentially arranged inside the dust collecting channel, one ends of the multiple dust pipes are connected to the dust collecting channel, the water tank is arranged above the base, the other ends of the multiple dust pipes are located inside the water tank, and the drain valve is arranged on one side of the water tank.

[0010] Wherein, the dust cleaning assembly further comprises a negative pressure anti-detachment unit, and the negative pressure anti-detachment unit is arranged below the lower mold;

[0011] The negative pressure anti-detachment unit includes a negative pressure groove, a negative pressure pump and a connecting pipe. The lower mold is provided with a plurality of negative pressure holes. The negative pressure groove is fixedly connected to the lower mold and is located below the lower mold. The negative pressure groove is communicated with the plurality of negative pressure holes. The negative pressure pump is arranged above the base. The two ends of the connecting pipe are respectively communicated with the air inlet end of the negative pressure pump and the bottom of the negative pressure groove.

[0012] Wherein, the dust cleaning assembly further comprises a material taking unit, and the material taking unit is arranged on the corresponding transverse movement unit;

[0013] The material taking unit comprises a support plate, a plurality of electronic suction cups and a storage box, the support plate is fixedly connected to the corresponding connection blocks, the plurality of electronic suction cups are sequentially arranged below the support plate, and the storage box is placed above the base.

[0014] Wherein, the dust cleaning assembly further comprises a trimming waste treatment unit, and the trimming waste treatment unit is arranged above the base and located on a side of the lower mold away from the storage box;

[0015] The trimming garbage disposal unit includes a first adjusting component, a second adjusting component, a U-shaped block, a clamping component and a clamping plate. The first adjusting component is arranged above the base and is located on the side of the lower mold away from the storage box. The output end of the first adjusting component is fixedly connected to the second adjusting component, and the output end of the second adjusting component is fixedly connected to the U-shaped block. The clamping component is arranged above the U-shaped block, and the output end of the clamping component passes through the U-shaped block and is fixedly connected to the clamping plate.

[0016] The gas meter diaphragm production system of the present invention is characterized in that the diaphragm is placed on the lower mold, and the edge is elastically sleeved on the outer wall of the lower mold. Then the transverse moving component drives the cleaning brush to be located above the diaphragm, and the spring drives the cleaning brush to move downward, so that the cleaning brush respectively abuts against the inner wall of the cavity of the diaphragm and the edge of the diaphragm. Then the moving component drives the cleaning brush to move on the diaphragm, moves to the inclined part of the cavity, contacts with the inclined surface inside the diaphragm, pushes the spring upward to contract, and adjusts the height of the cleaning brush so that it always fits with the cavity, and finally cleans the dust and foreign particles into the cavity. The two sides of the diaphragm are discharged simultaneously; at this time, the pressing component is started to drive the upper mold to move downward and cover the lower mold, and the edge of the membrane that exceeds the lower mold is cut. Since the diaphragm itself is made of rubber material and has elasticity, it will still be sleeved on the outside of the lower mold. At this time, the cut diaphragm and membrane edge are taken out respectively, and the operation is repeated in a cycle; through the above-mentioned structural arrangement, the cleaning brush is pushed downward by the spring to resist the cavity and edge of the diaphragm in turn, and then when moving, the diaphragm cavity and edge can be cleaned at the same time, which greatly improves the cleaning efficiency and cleaning effect, avoids incomplete cleaning of dust and particulate impurities, and thus improves the quality of diaphragm production. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0019] Figure 2 It is a cross-sectional view of the whole of the present invention.

[0020] Figure 3 The present invention Figure 2 AA line section view.

[0021] Figure 4 It is a structural schematic diagram of the lower mold of the present invention.

[0022] Figure 5 The present invention Figure 2 Enlarged view of the local structure at point B.

[0023] Figure 6 The present invention Figure 2 Enlarged view of the local structure at location C.

[0024] Figure 7 The present invention Figure 2 Enlarged view of the local structure at D.

[0025] Figure 8 The present invention Figure 3 Enlarged view of the local structure at E.

[0026] 1-base, 2-bracket, 3-lower mold, 4-upper mold, 5-pressing component, 6-moving component, 7-spring, 8-cleaning brush, 9-transverse component, 10-lifting component, 11-connecting block, 12-cutting piece, 13-cleaning shell, 14-electric retracting rod, 15-ventilation slot, 16-cutting slot, 17-dust collection channel, 18-fan, 19-dust pipe, 20-water tank, 21-drain valve, 22-negative pressure slot, 23-negative pressure pump, 24-connecting pipe, 25-negative pressure hole, 26-support plate, 27-electronic suction cup, 28-storage box, 29-first adjusting component, 30-second adjusting component, 31-U-shaped block, 32-clamping component, 33-clamping plate. DETAILED DESCRIPTION

[0027] Embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be construed as limiting the present invention.

[0028] See also Figures 1 to 8The present invention provides a gas meter diaphragm production system, including a base 1, a bracket 2, a lower mold 3, an upper mold 4, a pressing component 5, two transverse movement units and a dust cleaning component, the dust cleaning component includes a moving component 6, a plurality of springs 7 and a plurality of cleaning brushes 8, the transverse movement unit includes a transverse movement component 9, a lifting component 10 and a connecting block 11, the dust cleaning component also includes a cutting piece 12, a dust cleaning shell 13, a plurality of electric retracting rods 14 and two dust adsorption units, the dust cleaning shell 13 has a plurality of ventilation slots 15 and cutting slots 16, the dust adsorption unit includes a dust collection channel 17, a plurality of The cleaning component further comprises a fan 18, a plurality of dust pipes 19, a water tank 20 and a drain valve 21, the cleaning component further comprises a negative pressure anti-detachment unit, the negative pressure anti-detachment unit comprises a negative pressure groove 22, a negative pressure pump 23 and a connecting pipe 24, the lower mold 3 is provided with a plurality of negative pressure holes 25, the cleaning component further comprises a material taking unit, the material taking unit comprises a support plate 26, a plurality of electronic suction cups 27 and a storage box 28, the cleaning component further comprises a trimming garbage disposal unit, the trimming garbage disposal unit comprises a first adjusting component 29, a second adjusting component 30, a U-shaped block 31, a clamping component 32 and a clamping plate 33.

[0029] Among them, the bracket 2 is arranged above the base 1, the lower mold 3 is arranged above the base 1 and is located below the bracket 2, the pressing component 5 is arranged on the inner top wall of the bracket 2, the output end of the pressing component 5 is fixedly connected to the upper mold 4, the upper mold 4 and the lower mold 3 are adapted to each other, the two transverse movement units are symmetrically arranged on the inner top wall of the bracket 2, the moving component 6 is arranged on the corresponding transverse movement unit, one end of the plurality of springs 7 is movably connected to the output end of the transverse movement component 9, and the other end of the plurality of springs 7 is fixedly and movably connected to the cleaning brush 8. The diaphragm is placed on the lower mold 3, and the edge is elastically sleeved on the outer wall of the lower mold 3. Then the lateral moving component 9 drives the cleaning brush 8 to be located above the diaphragm, and the spring 7 drives the cleaning brush 8 to move downward, so that the cleaning brush 8 is respectively against the inner wall of the cavity of the diaphragm and the edge of the diaphragm. Then the moving component 6 drives the cleaning brush 8 to move on the diaphragm to the inclined part of the cavity, and contacts with the inclined surface inside the diaphragm, and pushes the spring 7 upward to contract, so as to adjust the height of the cleaning brush 8. It always fits with the cavity, and finally sweeps the dust and foreign particles to both sides of the diaphragm and discharges them; at this time, the pressing component 5 is started to drive the upper mold 4 to move downward and cover the lower mold 3, and cut the edge of the film that exceeds the lower mold 3. Since the diaphragm itself is made of rubber material and has elasticity, it will still be sleeved on the outside of the lower mold 3. At this time, the cut diaphragm and film edge are taken away respectively, and the operation is repeated; the pressing component 5 is a cylinder, the moving component 6 is a screw machine, and the spring 7 is fixed to the moving end of the screw machine to make it move.

[0030] Secondly, the traverse component 9 is arranged on the inner top wall of the bracket 2, and the lifting component 10 is arranged on the output end of the traverse component 9, and the output end of the lifting component 10 is fixedly connected to the connecting block 11. The traverse component 9 is an electric slide rail, and the lifting component 10 is a cylinder. When the traverse component 9 is started, the connecting block 11 is driven to move, so that the cleaning brush 8 moves to the top of the lower mold 3, and when the lifting component 10 is started, the cleaning brush 8 moves down and approaches the lower mold 3.

[0031] At the same time, the cleaning shell 13 has a plurality of ventilation slots 15 and cutting slots 16, the cutting piece 12 is fixedly connected to the upper mold 4 and is located below the upper mold 4, the cutting piece 12 and the cutting slot 16 are adapted to each other, the cleaning shell 13 is arranged below the connecting block 11, the moving component 6 is arranged inside the cleaning shell 13, one end of the plurality of electric retracting rods 14 is fixedly connected to the output end of the moving component 6, the other ends of the plurality of electric retracting rods 14 are respectively fixedly connected to the corresponding cleaning brushes 8, the spring 7 is sleeved on the outside of the electric retracting rod 14, and the two dust adsorption units are symmetrically arranged on both sides of the cleaning shell 13. The cleaning shell 13 supports the moving part 6, and the cleaning shell 13 is driven to cover the outside of the lower mold 3 through the transverse movement unit. At this time, the electric retracting rod 14 is closed and rebounded by the spring 7, driving the cleaning brush 8 to press against the upper surface of the diaphragm, and then a plurality of the cleaning brushes 8 are adapted to the edge and cavity of the diaphragm, and then moved for cleaning, and after the dust is moved to both sides of the diaphragm, the dust adsorption unit is started to suck the dust out of the cleaning shell 13; in addition, when the pressing part 5 drives the upper mold 4 to move downward, the cutting piece 12 enters the cutting groove 16, and then the diaphragm sleeved on the outside of the lower mold 3 is cut, and the edge of the diaphragm exceeding the cutting groove 16 is the excess size, thereby completing the cutting of the diaphragm.

[0032] In addition, the dust collection channel 17 is connected to the dust cleaning housing 13, the plurality of fans 18 are sequentially arranged inside the dust collection channel 17, one end of the plurality of dust pipes 19 are all connected to the dust collection channel 17, the water tank 20 is arranged above the base 1, the other ends of the plurality of dust pipes 19 are all located inside the water tank 20, and the drain valve 21 is arranged on one side of the water tank 20. The fan 18 is started, and the ventilation slot 15 is ventilated at the same time, and the air enters the dust cleaning housing 13 through the ventilation slot 15, and then enters the dust pipe 19 from the dust collection channel 17. During the air flow, the dust and particles inside the dust cleaning housing 13 are sucked into the dust collection channel 17, thereby preventing the negative pressure inside the dust cleaning housing 13 from causing the deformation of the diaphragm cavity. The dust passes through the dust collection channel 17, reaches the dust pipe 19, and finally enters the water tank 20 to mix with water, so as to prevent the dust from floating out again. The sewage can be discharged through the drain valve 21.

[0033] Then, the negative pressure anti-slip unit is arranged below the lower mold 3; the lower mold 3 is provided with a plurality of negative pressure holes 25, the negative pressure groove 22 is fixedly connected to the lower mold 3 and is located below the lower mold 3, the negative pressure groove 22 is connected with the plurality of negative pressure holes 25, the negative pressure pump 23 is arranged above the base 1, and the two ends of the connecting pipe 24 are respectively connected with the air inlet end of the negative pressure pump 23 and the bottom of the negative pressure groove 22. After the diaphragm is placed on the lower mold 3, the negative pressure pump 23 is started, and the diaphragm is adsorbed inside the lower mold 3 through the connecting pipe 24, the negative pressure groove 22 and the negative pressure holes 25, so as to avoid the diaphragm from shifting during cutting or cleaning.

[0034] Again, the material taking unit is arranged on the corresponding transverse moving unit; the support plate 26 is fixedly connected to the corresponding connecting block 11, a plurality of electronic suction cups 27 are arranged below the support plate 26 in sequence, and the storage box 28 is placed above the base 1. The support plate 26 supports the electronic suction cups 27, and after cleaning and cutting are completed, the upper mold 4 and the dust cleaning housing 13 are moved away; at this time, the transverse moving unit drives the support plate 26 to move above the diaphragm, and the electronic suction cups 27 are activated to absorb the diaphragm, and then moved and placed in the storage box 28.

[0035] In addition, the trimming garbage disposal unit is arranged above the base 1 and is located on the side of the lower mold 3 away from the storage box 28; the first adjusting component 29 is arranged above the base 1 and is located on the side of the lower mold 3 away from the storage box 28, the output end of the first adjusting component 29 is fixedly connected to the second adjusting component 30, the output end of the second adjusting component 30 is fixedly connected to the U-shaped block 31, the clamping component 32 is arranged above the U-shaped block 31, the output end of the clamping component 32 passes through the U-shaped block 31, and is fixedly connected to the clamping plate 33. The first adjusting component 29 is an electric slide rail, the second adjusting component 30 is a cylinder, and the clamping component 32 is an electric push rod; the first adjusting component 29 is started to drive the U-shaped block 31 to move up and down to adjust the height of the waste clamping. After adjusting to a suitable height, the second adjusting component 30 is started to drive the U-shaped block 31 to approach the waste. At this time, the clamping component 32 is started to drive the clamping plate 33 to move downward to clamp the waste, and then the U-shaped block 31 is reset to make the waste move up and horizontally and separate from the lower mold 3, so that subsequent new film cutting can be carried out.

[0036] When using a gas meter diaphragm production system of the present embodiment, the diaphragm is placed on the lower mold 3, and the edge is elastically sleeved on the outer wall of the lower mold 3. Then the transverse moving component 9 drives the cleaning brush 8 to be located above the diaphragm, and the spring 7 drives the cleaning brush 8 to move downward, so that the cleaning brush 8 is respectively against the inner wall of the cavity of the diaphragm and the edge of the diaphragm. Then the moving component 6 drives the cleaning brush 8 to move on the diaphragm, moves to the inclined part of the cavity, contacts with the inclined surface inside the diaphragm, pushes the spring 7 upward to contract, and adjusts the height of the cleaning brush 8 so that it always fits with the cavity, and finally cleans the dust and foreign particles. Sweep both sides of the diaphragm and discharge them; at this time, start the pressing component 5, drive the upper mold 4 to move downward, cover the lower mold 3, and cut the edge of the membrane that exceeds the lower mold 3. Since the diaphragm itself is made of rubber material and has elasticity, it will still be sleeved on the outside of the lower mold 3. At this time, take out the cut diaphragm and membrane edge respectively, and repeat the cycle operation; through the above-mentioned structural arrangement, the cleaning brush 8 is pushed downward by the spring 7 to resist the cavity and edge of the diaphragm in turn, and then when moving, the diaphragm cavity and edge can be cleaned at the same time, which greatly improves the cleaning efficiency and cleaning effect, avoids incomplete cleaning of dust and particulate impurities, and thus improves the quality of diaphragm production.

[0037] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A gas meter diaphragm production system, comprising a base, a bracket, a lower mold, an upper mold, a pressing component and two transverse movement units, wherein the bracket is arranged above the base, the lower mold is arranged above the base and below the bracket, the pressing component is arranged on the inner top wall of the bracket, the output end of the pressing component is fixedly connected to the upper mold, the upper mold and the lower mold are adapted to each other, and the two transverse movement units are symmetrically arranged on the inner top wall of the bracket, characterized in that: Also includes a dust cleaning component; The dust cleaning component includes a moving part, multiple springs and multiple cleaning brushes. The moving part is arranged on the corresponding transverse movement unit. One end of the multiple springs is movably connected to the output end of the transverse movement part, and the other end of the multiple springs is fixedly and movably connected to the cleaning brush.

2. The gas meter diaphragm production system according to claim 1, characterized in that: The transverse moving unit comprises a transverse moving component, a lifting component and a connecting block. The transverse moving component is arranged on the inner top wall of the bracket. The lifting component is arranged on the output end of the transverse moving component. The output end of the lifting component is fixedly connected to the connecting block.

3. The gas meter diaphragm production system according to claim 2, characterized in that: The cleaning assembly also includes a cutting piece, a cleaning shell, a plurality of electric retracting rods and two dust adsorption units. The cleaning shell has a plurality of ventilation slots and cutting slots. The cutting piece is fixedly connected to the upper mold and is located below the upper mold. The cutting piece and the cutting slot are adapted to each other. The cleaning shell is arranged below the connecting block, and the moving component is arranged inside the cleaning shell. One ends of the plurality of electric retracting rods are fixedly connected to the output end of the moving component, and the other ends of the plurality of electric retracting rods are respectively fixedly connected to the corresponding cleaning brushes. The spring sleeve is arranged on the outside of the electric retracting rod, and the two dust adsorption units are symmetrically arranged on both sides of the cleaning shell.

4. The gas meter diaphragm production system according to claim 3, characterized in that: The dust adsorption unit includes a dust collecting channel, multiple fans, multiple dust pipes, a water tank and a drain valve. The dust collecting channel is connected to the cleaning shell. The multiple fans are sequentially arranged inside the dust collecting channel. One ends of the multiple dust pipes are connected to the dust collecting channel. The water tank is arranged above the base. The other ends of the multiple dust pipes are located inside the water tank. The drain valve is arranged on one side of the water tank.

5. The gas meter diaphragm production system according to claim 4, characterized in that: The dust cleaning assembly further includes a negative pressure anti-detachment unit, and the negative pressure anti-detachment unit is arranged below the lower mold; The negative pressure anti-detachment unit includes a negative pressure groove, a negative pressure pump and a connecting pipe. The lower mold is provided with a plurality of negative pressure holes. The negative pressure groove is fixedly connected to the lower mold and is located below the lower mold. The negative pressure groove is communicated with the plurality of negative pressure holes. The negative pressure pump is arranged above the base. The two ends of the connecting pipe are respectively communicated with the air inlet end of the negative pressure pump and the bottom of the negative pressure groove.

6. The gas meter diaphragm production system according to claim 5, characterized in that: The dust cleaning assembly further includes a material taking unit, and the material taking unit is arranged on the corresponding transverse movement unit; The material taking unit comprises a support plate, a plurality of electronic suction cups and a storage box, the support plate is fixedly connected to the corresponding connection blocks, the plurality of electronic suction cups are sequentially arranged below the support plate, and the storage box is placed above the base.

7. The gas meter diaphragm production system according to claim 6, characterized in that: The dust cleaning assembly further comprises a trimming waste treatment unit, which is arranged above the base and located on a side of the lower mold away from the storage box; The trimming garbage disposal unit includes a first adjusting component, a second adjusting component, a U-shaped block, a clamping component and a clamping plate. The first adjusting component is arranged above the base and is located on the side of the lower mold away from the storage box. The output end of the first adjusting component is fixedly connected to the second adjusting component, and the output end of the second adjusting component is fixedly connected to the U-shaped block. The clamping component is arranged above the U-shaped block, and the output end of the clamping component passes through the U-shaped block and is fixedly connected to the clamping plate.

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